When buying a used carburetor, this is often necessary because you never know what state of tune the carburetor was previously used for. Connect the FlashPro to your computer and install USB drivers From FlashProManager open the 'FlashPro' window. The plate has a provision for the fuel injector. As far as tuning, I perform the Advanced Remote Tuning Service for FuelMotoUSA. The switch to the larger choke has definitely opened up the top end. I think it could matter with a dual-plane manifold, because you are basically running half the carb on each side of the engine, but only if you don't tune both sides the same. Jetting alone on the secondaries hasnt done shit for me. Whether you have a piggy-back fuel controller, race carb, aftermarket ECU, ODB-II tuning software, or a flash/chip programmer, an LM-2 is the tool you need to dial in maximum HP. Racing mechanical fuel injection tuning and carburetor tuning can work that way also. The FlashPro allows full user tuning and datalogging of late model performance Hondas and Acuras. The AFX comes with everything you need to start tuning: Digital display controller 13′ wiring harness Wideband sensor Exhaust boss & plug Comprehensive air-fuel ratio tuning manual Replacement parts are available through the selected AFX distributors. I USE A NARROWBAND SENSOR, IF YOUR AIR-TO-FUEL RATIO IS NOT BETWEEN ABOUT 13. The problem with a narrowband sensor is that it is only truly accurate at 14. The Wideband FAILSAFE Gauge is an ideal engine tuning tool. Unlike fuel injection, however, most carburetors aren't flexible enough to be happy outside a narrow range of. The combination of these technologies makes the MTX-L Plus the fastest, most durable and accurate air/fuel ratio gauge ever!. EDELBROCK CARBURETORS (ADVANCED CARBURETOR TUNING, IFR & BIAB) *This is a compilation of knowledge sourced from experience, automotive industry practices and technics For advanced carburetor tuning it is highly recommended you have a Wideband AFR gauge. But even going to carb, you need to tune. Whether you have a Chrysler, Ford, or GM vehicle in your driveway, DiabloSport’s inTune i3 Performance Programmer is an easy way to boost power and torque without even popping the hood!. I've been woundering what is the best/most effective way to tune a edelbrock 1405 carb? sents just about everything is affected by everything else, is there a proper order in which to do it? I tuned my carb several years ago but lately I've been wanting to revisit the situation and do it right. Simple Calibration Wizard - NO laptop required! Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI! The included Genuine Bosch LSU 4. Usually Ships in 24 Hours. The following is a list of tips that every methanol fuel user should be aware of. thoughts,,,. In this case, this super clean and freshly restored 1969 Pontiac Firebird came to the V8 Speed & Resto Shop to have the air / fuel ratio measured and the carburetor tune corrected on the dyno by our technicians. Trying to follow the Decipha "rules" and lay off the LMAF transfer until I get the fuel real close to right. Though you will be learning to read your spark plugs for tuning, it is highly recommended a wideband AFR (air fuel ratio) gauge be also used for tuning and monitoring carburetors. A wideband O2 sensor is much more sophisticated and can supply the exact AFR measurement across a wide range of possible AFR values. Load - Is the measurement of how hard an engine is working. By: Henry P. I cut my teeth on carb tuning when starting out 20 years ago (motorcycles were relatively late at adopting efi). More than good-looking, Pony Carburetor's atomizers are high on function and improved performance because Jon wouldn't have it any other way. Exactly as the title states. Re: Carb tuning with wideband gauge That's a good question about which side of the duals to put the sensor on. Add to Wish List. Standard HEGOs lack accuracy in the target lambda range for these tests and only serve to mislead and confuse. widebands are very useful. The air screw works with the pilot jet, mainly affecting the engines initial starting, idling and initial power delivery. Each carb must supply the same amount of mixture (fuel and air mixed) for the engine to run smoothly, develop good power, and maintain fuel economy. You can fine tune this by lowering the float level, if need be. in order to tune the carb for max power i use an air fuel gauge to get right in the ballpark, then move up/down a jet size at a time testing at the track to see where your motor actually makes best power. I thought the wideband would help me with this, but it's almost made it more confusing! Under seemingly identical circumstances, the carb may be wildly lean, then slowly currect to slightly fat (numerically of course, per the wideband), or pig richand slowly lean out to a reasonable afr. Don't forget you'll want an old school HEI so you can dial in a decent advance curve if you're not going to computer tune. WEGO 3 Single Channel Unit. Obviously if you have a wideband a-f gauge you will see what is happening. Wideband 2 with POD-300 Display from Dynojet This wideband O2 gauge is an extremely accurate and capable unit. A wideband O2 sensor is much more sophisticated and can supply the exact AFR measurement across a wide range of possible AFR values. Like most racers running out of their own pockets, he'd already maxed out the budget on the race car. GlowShift offers 52mm Air/Fuel Ratio Gauges in wideband and narrowband models that are available in a variety of gauge series. The meter’s award-winning digital signal processing technology provides data on exactly how rich or lean an engine is running at any load. With the right tools and electronics it is easier than every to tune your carb and we'll show you how to do it like a professional. This is a street car, so since I don't really care what my A/F ratio is outside of that range, a narrowband is fine for me. I hope to get those sorted out soon. And yes, the C70 does use a chock cable, this carb has a choke lever on the carb. salvage yard links state by state listings. Downloading the stored data from the LM-1 to a PC is simple. We also sell J3 Chips, Programmers, and DIY Tuning Kits to tune Ford E-Series (EA, EB, ED, EF, EL), XG and XH Falcon, Fairmont, Fairlane, XR6 and XR8 models. No question about that; however getting the tools/knowledge/time to try to fine tune the carb or find a mechanic with the tools/knowledge/skills to fine tune a carb is becoming more and more difficult. jlg 460sj. A modern car with a modern EFI system needs much more precision than this when you are adding go fast goodies and horsepower. Turn your airscrew in some. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications Fuel Air Spark Technology JavaScript seems to be disabled in your browser. There are several 'optional' or 'choice required' steps during assembly of the PCBv3 MegaSquirt units, how are the DIYAutoTune ECU's configured? WideBand o2 / Oxygen Sensor Systems from Innovate Motorsports. Howdy, I'm tuning the Quick Fuel 750 DP on my freshly built 347. aside from that wideband works very well. I'd like to fine tune it and make sure I'm spot on. Starts very easily, runs very well (a little hot) and plugs are fouled, like it's running too rich. WEGO 3 Single Channel Unit. Not to get off the topic of talking about scooter tuning but since the CV carb is very popular also in motorcycles I have spent years tuning them for jet kits installs, after market exhaust and overall performance. Holley just brought EFI within range with their Sniper EFI Self-Tuning 4 Barrel (4bbl) kit with handheld EFI monitor. Whether your bike is carb or efi this is the best way to tuneBy riding and observing, not on a static dyno. WEGO 3 Dual Channel Unit. When you are tuning your vehicle for maximum power, you want the best air fuel gauge to tell you exactly what’s going on. Deadtime can lead to inaccurate states of tune, and increases the chances of pre-ignition or detonation. Carb Set Up for First Start / Engine Break In. I have taken a gander at a few AFR gages and they each say they read between 10-20 AFR. I am still working on the idle jetting to get it to where it needs to be here are the specs as of now. Successful carb tuning is less logical thinking than try and see. I have taken a gander at a few AFR gages and they each say they read between 10-20 AFR. Do I have the newer or older style LC-1?. No responsibility is taken if you break something while trying to execute this procedure. Using an O2 sensor to jet a carbureted bike Summation: I am in the works of using a cheap Oxygen sensor to measure the accuracy of the efficiency of my carb'd motorcycle. Once the carb is baselined, it's ALL about TIMING. There are many wideband systems on the market today. for power of course you need dyno (are accel rates/times). Here you go, my Speedhut, stand-alone wideband. The most accurate method to tune a carburetor is with a wideband air/fuel ratio meter. with an optional LC-2 Digital Wideband "Lambda" 02 Controller, into a carbureted 351W. Please review our privacy policy & cookies information page. I'd like to fine tune it and make sure I'm spot on. I finally got a wideband sensor and have been working on tuning my 2276, 9. 4 on the wideband) at full throttle. com, dieselgasturbine. This is how electronic fuel injection (EFI) tuning works. Alright guys I know that tuning with a wideband isnt traditional. aside from that wideband works very well. I had a Barry Grant carb on my street car that just blackened the crap out of the plugs in no time and got horrible gas mileage. It doesn't stumble, but seems lazy until it gets to the 2500 mark. 9LSU wideband UEGO sensor. It's my opinion but I'd save up for the wideband o2 controller and install it when you get your basic turbo system together. And as mentioned misfires, while are sending raw fuel into the exhaust, send all the air that would have been consumed in combustion into the exhaust too. On the wideband I look for low 11:1 numbers. A wideband o2 sensor is much more sophisticated than a narrowband sensor, and can be relied upon to be used as a tuning tool. We sell genuine, quality performance products from Bosch, Walbro, Turbosmart, BMC, Siemens and more, including fuel pumps & injectors, air filters, and Wideband O2 sensors. But a wideband O2 sensor and handfull of jets will take less learning. Webcon are the leading Global manufacturer and distributor of Carburettor, Fuel Injection and Ignition systems and components. Its a little rich right now. Race Car Carburetor Tuning with Innovate's Wideband Air/Fuel Gauge Jason Gulledge races a Street Stock on dirt tracks in the Southeast. Some folks have reported that installation of a Dynojet kit designed for pods, which includes a different jet needle, helps significantly with carb tuning where the stock air box and filter have been replaced with pods. Starting with the front carb, adj the mixture screws one at a time 1/8 turn ccw, after turning each screw wait and see what the engine vacuum and rpm do. When buying a used carburetor, this is often necessary because you never know what state of tune the carburetor was previously used for. Meanwhile some EFI kits take days to install. Before you know it, you’ll be tuning like a pro!. Tune Your Carb. Comments on "Weber 45 DCOE Carburetor Setup" Did you find this article useful? Do you have a question or comment about this article? Leave a rating or a comment below, and get instant reply notification via email If you have a long question, or a question not directly related to this article, please start a new topic in the Discussion Forums. When adjusting the idle mixture,the engine seems to run best (highest vacuum/idle speed) with the nedles turned almost all the way in. But if you're going to get the car dyno tuned, the tuner will have a 02 wideband gauge for the tune. Whether you have a piggy-back fuel controller, race carb, aftermarket ECU, ODB-II tuning software, or a flash/chip programmer, an LM-2 is the tool you need to dial in maximum HP. Wideband O2 Sensor Shootout! | FordMuscle Magazine http://www. Each method have benefits and limitations, let's review the technology behind each and how to apply this to our tuning of the Visteon ECM. Typical carb pressure regulators usually don. We are your source for all the parts you need to go faster or fix your Mazda!. Nick Smithberg. You'll need power, ground, switched power, a 3/8" hole in firewall for wires to pass through. Owner's manual seems to have EXTREME amount of information on tuning this carb - is there a better source of info that makes tuning a little simpler?. An A/F ratio near 12. I've got experience tuning my turbocharged E85 powered car with the wideband. All I simply want is an air/fuel gauge in the car for tuning. Carb to EFI Conversion: Tuning Basics using a wideband A/F meter to determine the actual A/F ratio and then using that data to make changes in the Target Air/Fuel. Each carb must supply the same amount of mixture (fuel and air mixed) for the engine to run smoothly, develop good power, and maintain fuel economy. Tune Your Carb. I would put a vacuum gauge on it, and if you can spring for it a wideband O2 system it would make tuning a whole lot easier. Alright guys I know that tuning with a wideband isnt traditional. The meter’s award-winning digital signal processing technology provides data on exactly how rich or lean an engine is running at any load. The real trick is knowing which way to tune and what parts to purchase. I recently bought and installed a wideband air fuel ratio kit which consists of the O2 sensor, computer and a dash mounted gauge. 9LSU wideband UEGO sensor. It seems to be running pretty good for the moment. The next evolution of Fuelpak will give you the tools you need to map any combination of performance parts and engine upgrades. Additionally, the Wideband Failsafe Gauge is an ideal engine tuning tool. The Wideband Failsafe Gauge contains an on-board data logger for logging over three hours of data recording (20 Hz per parameter) of AFR, RPM, boost, alarm, and others. 100% digital wideband Lambda sensor control for fast and accurate data; Logs data to an SD for easy transfer to a PC or tablet. The Wideband FAILSAFE Gauge is an ideal engine tuning tool. The Wideband FAILSAFE Gauge is an ideal engine tuning tool. I'd buy a wideband O2 kit and tune idle primaries to about 14:1, and WOT to 12. Howdy, I'm tuning the Quick Fuel 750 DP on my freshly built 347. Before you know it, you’ll be tuning like a pro!. ECU (lighter, smaller, plastic case ECU) 2. Before you know it, you'll be tuning like a pro!. Air/fuel ratio for peak power is 12. This is exactly why tuning carbs starts with learning how to tune carbs. Home Forums > Tacoma Garage > Performance and Tuning > Upgraded exhaust 03 Supercharged with URD 7th Injector Wideband & Boost B-12 Chemtool Carburetor, Choke. Trying to get my 451 in my Road Runner running a bit better. It’s a balancing act, just remember about the ctr carb and it’s proper settings. Man that fancy wideband would cost me at least $400 here I'm sure of that. Bear with me here; this is my first time with this specific kind of tuning and my first shot at LS Motors (lots of carb/mechanical injection experience as well as various other kinds of electronic injection). Here is an example of a tune-up sheet that I send with all of my new carburetors to assist the user with tuning. A wideband oxygen sensor is a great tool for monitoring your engine's health and performance. Using BE, afraid to load up my Innovate software as I know it will create drama again. Which wideband are you guys using (brand?), and where are you guys installing the bungs to make sure the sensor is at a good enough angle? Also anyone got a good used stand alone tach they don't need?. DynoJet Upgrade Target Tune Wideband ECM Tunning Module for Harley V-Rod 12-15 | eBay. Wideband tuning and adjust-able carburetor fuel circuits that allow you to tune idle/cruise mixture and curves. I put a switch on my A/C pressure sensor as I still use A/C, and that seems to be working correctly as when I toggle the switch the readings on my A/C pressure go to some crazy negative number, and then back to normal when i toggle it back. I've used a vacuum gauge to tune the car, added a better distributor for a hotter spark, but always ran rich. This $30 solution will allow us to tune the carbs in the garage and get them pretty close. The carburetor manual also comes with a handy chart for each carb that plots possible rod and jet combinations on a power and cruise axis. Others just make changes until they get what they want, but don’t really understand what the changes are. Hey guys I'm messing with my holley 600 vac secondary on my truck. I just installed a wideband and as far as i can tell the idle is right on at 14. Carb tuning maybe, if you are experienced enough to read plugs and all but its impossible to do that with EFI. HOLLEY 120-230 EFI 4150 Carb Hat Natural Finish. This is where Holley’s Wideband controller and gauge kit really shine. After using a wideband sensor to tune your carb, you’ll wonder how you ever got along without one. The staff at Hot Rod knows cars and are experts at how to tune a. New points ,plugs, ht leads and coil fitted. Despite K&N’s Electronic Carburetor Injection being such an advanced system, installation can be accomplished in only a matter of hours. Whether your engine has a carb, aftermarket ECU, ODB-II tuning software, or a flash/chip programmer, an LM-2 is the tool you need to tune for maximum power. First off, I am running: BG Demon 850 double pumper (72 primary jets, 4. For best results, tune the circuits one at a time in the order listed. Some people say you can use a narrow band O2 on a carb car because it will read rich all the time, Autometer says "Use a wideband". Edelbrock sells a tuning kit that consists of several metering rods, jets and springs to tune in your carburetor (Summit p/n EDL-1487). Im not running a standalone system, or using the o2 as a computer controlled input. The difference is whether you have the ability to see real-time feedback of the mixture in this range. 5 air/fuel ratio. Using O2 sensors for carb tuning? GSTwin, GS500 Message Board News: Protect your dainty digits. Carb to EFI Conversion: Tuning Basics using a wideband A/F meter to determine the actual A/F ratio and then using that data to make changes in the Target Air/Fuel. Though the Wideband 2 doesn't have a direct way to connect to the ECM, it can still give you data on the air/fuel ratio to then help you tune the vehicle normally. We use cookies to offer a better browsing experience, analyze site traffic, personalize content, and serve targeted advertisements. I am running dual Carter W-1s so tuning was double the work. The wiring isn't that complex to setup, easier to install. AFR (Air Fuel Ratio )meter to tune carbs I need to tune my carbs and wonder if an AFR meter is ever used by the folks here. Made idle tuning quick, and after Cliff's advice on what to adjust, i leaned out my part throttle cruise with the APT screw, and i think i adjusted secondaries with a needle swap or i might have just left that rich. Innovate MTX-L Wideband Oxygen Sensor Kit, 3844 is a "Permanently Mounted" Wideband gauge that fits 2 1/16" Gauge holes (Standard VDO!) Whether you are desiring maximum HP, or MPG, you need to know your fuel mixture EXACTLY to achieve your goal. No more guessing at changing conditions, I can see them instantly as I ride. Whether your bike is carb or efi this is the best way to tuneBy riding and observing, not on a static dyno. DP's EFI tuning technology is a load based system. We carry top brands like Holley that have an extensive experience serving the commercial transportation industry. radio service radio conversion and more. When it comes to fuel injection versus carburetors, new school is just too cool. Making the Weber Progressive (32/36 DFEV) Work on the Aircooled VW Engine Here at ACN we have gotten enough tech questions asking about the Weber Progressive Carburetor that we felt it was time to get a good article up on the subject. 90" in size (1/5 of a credit card size) and much more cost effective than any other wideband controller in the market today. This Auto-tune Universal kit is designed for twin cylinder motorcycles/ATVs that use the Power Commander V allowing control of two cylinders separately and simultaneously. Air/fuel ratio for peak power is 12. com, troybuiltmodels. php 2 of 3 10/22/2007 8:53 AM. Carbs for a Rover V8. The old school way of tuning carburetors with a tach and a vacuum gauge may be crude, but will also get you close especially on engines with big cams. If you'd like to schedule an appointment for tuning please contact us at 910. It includes Windows based software called FlashProManager. Owner's manual seems to have EXTREME amount of information on tuning this carb - is there a better source of info that makes tuning a little simpler?. For the past 2 weeks I have been trying to fine tune a new carburetor for my TaoTao Powermax. Tuning Holley carburetors isn't difficult, but when it's time to get into fine-tuning your street car, adjusting the fuel curve is a great path to travel. Rich at 1/4 throttle, good at 1/2, lean at 3/4 no guessing. 1: Improved wideband heating algorithm, greatly improving sensor life even in more extreme use cases (use P=4 and I=100 in Internal WB Settings). In either case, make sure the idle and main air bleeds located on the top of the carburetor remain clean and unrestricted. The Wideband Failsafe Gauge contains an on-board data logger for logging over three hours of data recording (20 Hz per parameter) of AFR, RPM, boost, alarm, and others. 9LSU wideband UEGO sensor. Hey everyone, I recently put in a wideband o2 sensor, and now i am trying to tune the carb closer to where it should be running. Does anyone else use the LC1/LC2 settings for their innovate MTX-L wideband? I have found that my digital gauge is giving me about 0. Downloading the stored data from the LM-1 to a PC is simple. This portable unit uses a highly sophisticated Fast Acting, Wide Band. A good tune means the engine should start and idle without stalling, and respond instantly when the pedal hits the metal. Spark plugs have the last word. Raise the RPM a bit and the air fuel ratio will quickly go to the cruise value. The real trick is knowing which way to tune and what parts to purchase. If you are a horsepower junky and you need a fix, look no further. Thanks racerx, I got it running, it's still going to need some tuning, as it's still rich at 2 and 1/4 turns with the choke off. Whe tuning a carb for optimal performance and using a wideband O2 meter (or data logger) for additional info, what part of the data do you look at for tuning decisions? This is a drag race application, 4150 Holley carb, gasoline. If you are using a wideband O2 sensor like an Innovate LM2, try to get the mix close to 13. Or under 14:5 if your running a non vac advance distributor You have to read the first 20 pages of this thread to get the critical information. And installing a wideband in a old carb'd car can gain you alot too if you like fine tuning. It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!. A complete ecosystem for creating, storing and delivering maps to FP3 users worldwide. 100% digital wideband Lambda sensor control for fast and accurate data; Logs data to an SD for easy transfer to a PC or tablet. Obviously if you have a wideband a-f gauge you will see what is happening. AEM’s legendary Wideband O2 Air/Fuel UEGO Gauge unites unsurpassed accuracy, speed and control with an easy to read, digital interface. Includes 18mm wideband sensors. max power WOT AFR is between 12. Carb Tuning With Wideband I recommend installing something permanent - you won't regret it. I sprung for a wideband O2 sensor and it has been a complete life saver. Your input on tuning this. Now that we have selected the right carburetor, we can dig into tuning it. We offer full tuning services with our DYNOJET 424x All-Wheel Drive Dyno (2400 horsepower AWD capable) from piggy back computers to full engine management systems. Innovate MTX-L Digital Wideband Air/Fuel Gauge Easily datalog and remotely tune with this Innovate MTX-L digital wideband air/fuel ratio gauge! This 100% digital gauge is the only one of it's kind on the market. My has all the mods i need being a blow through carb! I was told its rich and could go leaner in the primary side when it was on the dyno ! i didn't follow it up because of fuel supply issue at the time. Im not running a standalone system, or using the o2 as a computer controlled input. Carb to EFI Conversion: Tuning Basics using a wideband A/F meter to determine the actual A/F ratio and then using that data to make changes in the Target Air/Fuel. Please consult your factory service manual or a qualified technician when working on your motorcycle. with an optional LC-2 Digital Wideband “Lambda” 02 Controller, into a carbureted 351W. Since anything lower or higher is clearly unwanted I'm asking why anybody utilizes the wideband if the narrowband can read between 10-20. We have the knowledge and creativity to continually innovate to achieve all time high power levels. Coasting downhill is considered very low load. Air/fuel ratios are typically measured using a so-called "wideband' air/fuel ratio sensor. There are many wideband systems on the market today. Nick Smithberg. I do not own a Victory motorcycle, but do tune a few of them since I've been beta testing the new flash tuner from Dynojet called the Power Vision CX. The Tuning School is an industry leader in High Performance Tuning Knowledge. The Harley faithful were leery of the electronic technology that replaced the venerable, easy-to-tune carburetor. Light Cruise. Make any changes in about 10% intervals, otherwise you will likely "overshoot" your tuning. These users should already have wideband O2 sensor hardware and Y-adapters installed from the previously installed PV Auto Tune kit. The K&N Electronic Carburetor Injection, or ECI, is a bolt-on system that adds a supplemental fuel source to your engine. It was easy to set the wide open throttle fuel map on the chassis dyno using similar techniques to doing a carburetor, but the partial throttle fuel maps were a different story. Here you go, my Speedhut, stand-alone wideband. This innovative classic design hides the injectors and has an externally mounted ECU so it can be mounted wherever you want to ensure a true carburetor look is maintained. ) The included Wideband Oxygen Sensor provides realtime Fuel Map Learn!. A modern car with a modern EFI system needs much more precision than this when you are adding go fast goodies and horsepower. 5 power valve) 408ci w/ edelbrock heads, air gap intake 10:1 compression comp cams 243/257. AED industry leading ECM electronics including the AFM 1500 Wideband for accurate Air Fuel readings. Also placement of the sensor (in collector versus near tailpipe) can yield different results. We installed Holley's new wideband O2 sensor in the Horsepower Monster's project Camaro and look to. The concept is simple: a spark-plug-sized sensor mounts in the exhaust stream, and generates an output voltage in proportion to the air/fuel ratio. A wideband oxygen sensor is a great tool for monitoring your engine's health and performance. I did, almost that exact one. COBB Tuning is excited to announce another update for the BMW platform. Whether your bike is carb or efi this is the best way to tuneBy riding and observing, not on a static dyno. I am running dual Carter W-1s so tuning was double the work. If you'd like to schedule an appointment for tuning please contact us at 910. I just saw a post on "Carb tuning" and it's going to put me over the edge to go out and buy the wideband (they are pretty cool anyway). 7:1 or greater is ideal for idle and part throttle. 5 air/fuel ratio. I own a '66 Mustang and anyone who has ever owned a car with carburetor knows how hard it is to get it tuned properly. For those of you familiar with tuning flat slide and CV carburetors, you know that you tune the AFR at wide open throttle with the main jet size. Holley carb issues. The AFR+ brings together two technologies within one system to make it the most powerful, user-friendly tuning device on the market. Lee Walker from Quick Fuel Technology explains how you can make sure you've got the right jets in your carburetor on race day. With the right tools and electronics it is easier than every to tune your carb and we'll show you how to do it like a professional. The air to fuel ratio is the amount of air entering the engine in relation to the fuel present in the engine. Trying to get my 451 in my Road Runner running a bit better. A wideband o2 sensor system will give you far greater tuning ability than a narrowband sensor. A wideband O2 sensor is much more sophisticated and can supply the exact AFR measurement across a wide range of possible AFR values. I was wondering if i installed EGT and/or Wide band O2 sensor it could help me tune my motor in and squeeze some extra horse power out of it. Driving uphill is considered high load. DP's EFI tuning technology is a load based system. New Meets Old: Innovate's Easy-Mount, Throttle Position Sensors For Carbureted Applications Integrating new and old technology requires thinking out of the box. You can't tune a carb with the same accuracy as EFI over as many conditions as you really only have a few fuel circuits to play with and adjust. Wideband kits, such as the LM-1 portable digital meter, are certainly more expensive but they offer the advantaged of 0. Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency. For base tuning this is great, but for more advanced tuning a wideband sensor and gauge will be required. Its really hard to tell everyone how to tune a setup without writing a whole book with different formulas and reasons. If you are going to tune your own carb, you really owe it to yourself to get one. I bought an AEM unit last year and plan to finally install and start tuning this summer. us (Advanced Gas Engine Solutions). This is a generalized writing at best. Each carb must supply the same amount of mixture (fuel and air mixed) for the engine to run smoothly, develop good power, and maintain fuel economy. ECU processors have gotten faster and more capable, and closed-loop A/F ratio tuning (the ability to set an A/F ratio target in tuning software that the computer then uses to make fueling adjustments to maintain the target) have become more common, so it made sense for wideband sensor controllers to also improve. Like most racers running out of their own pockets, he'd already maxed out the budget on the race car. Wideband sensors not only are a lot faster acting in the reading, but can tell you the exact a/f ratio that the motor is currently at. Which wideband are you guys using (brand?), and where are you guys installing the bungs to make sure the sensor is at a good enough angle? Also anyone got a good used stand alone tach they don't need?. So I acquired a broad band lambda probe to aid in the jetting task. We bring the large OEM technologies to small manufacturers at a fraction of the cost. 46mm PMO Carb Specs (as purchased - used; previously on a 3. I got a 750 Dp on the car now. Instructions & Guides. 9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!. Don't forget you'll want an old school HEI so you can dial in a decent advance curve if you're not going to computer tune. An AFR gauge, which AFR stands for Air/Fuel Ratio, uses an O2 sensor at he beginning of the exhaust pipe to read the ratio of air to fuel as it is being expended through the exhaust. i haven't tested the winter blends yet, but i know the summer blend i had was 83% when you were at the Union race. It would be good just for a baseline and then use a wideband to tune from there. AED industry leading ECM electronics including the AFM 1500 Wideband for accurate Air Fuel readings. The carburetor manual also comes with a handy chart for each carb that plots possible rod and jet combinations on a power and cruise axis. Wideband techniques have been used in the design and the circuit is equipped with a “lowpass” filter to ensure good output spectral purity. Leave it there and you'll burn the engine down. Carb tuning maybe, if you are experienced enough to read plugs and all but its impossible to do that with EFI. Any help would be awesome. The Demon Carb Tuning book is pretty useful since it shares the fuel curve put into their carbs. For more details on target AF numbers for fine tuning your E85 carburetor, refer to the "E85 Tuning Chart" article in the E85 tech section. I have a carbed 302 with no cats. its making It hard to tune because I want my WOT afr at 11. Installing the Holley Wideband & Using It On Mad Maxx. I approach racing projects as bang for the buck and will. Ideally, you want to be above 15:1 when running a vac advance distributor. I've tuned my carb for a flat 14. If he cannot tell you exactly what jets he used, what float settings, idle settings, what engine mods, elevation etc etc, his information is just about useless. This carb should be running. I have a Innovate LM-1 wideband kit that I used to tune my hot rod. Leave it there and you'll burn the engine down. Easiest installation of any wideband. What's the tuning procedure for a harley cv carb using a wideband? I've been running the carb for about a year and it runs pretty good. ECU (lighter, smaller, plastic case ECU) 2. The process is very easy and will ensure the engine is running at peak performance, but in the. Deadtime can lead to inaccurate states of tune, and increases the chances of pre-ignition or detonation. Downloading the stored data from the LM-1 to a PC is simple. The Trinity 2 EX is hands down, the most feature packed performance tuner, monitor, diagnostic and data logging device on the planet. The plate has a provision for the fuel injector. Im not running a standalone system, or using the o2 as a computer controlled input. Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI! Available in base & master kits (Master kits include complete fuel system: fuel pump, filters, feed and return hose and all fittings including fuel tank return line bulkhead fitting. Customer will need to provide videos of both the wideband and RPM gauge cluster in a single video during a top speed wide-open throttle pull. If you'd like to schedule an appointment for tuning please contact us at 910.