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E85 tune vs 93?
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E85 tune vs 93?
But 93 gasoline has plenty high octane. Visit us at mooreracecraft 6095660 or racecraft@comcast Save Share. The stock gen3 cal has mbt peaking around 26-27 in the midrange and dropping to 23-24 up top. I believe for every 5% increase in ethanol content, the octane is raised 1 point. Takes 4 days in transit. The difference between 91 and 93 is single digits in terms of HP/TQ nothing a little octane booster or a gallon or two of 100 can't help make up. For decades, alcohol has been used in drag racing, NASCAR, IRL, and so on. We did a custom tune with 93 octane. Since the e85 station doesn't carry 93 oct, will it be an issue to fill up 3 gallons of e85, stay on my 93 tune and drive a couple blocks to the nearest 93 oct pump, then load the. 04 Vortech auto Mach25* vs E85 with 13 View attachment 1572899 Jan 19, 2008 · As with conventional gasoline, E85 prices fluctuate daily (or hourly, it seems, at some stations). Yesterday we told you about an interesting way to add tagging to iTunes using the ratings system. Jul 31, 2015 · E85 Benefits. Like many others I am curious who to use for writing my tunes. 2021 Kia Stinger GT2 #1. After installing the eFlexPlus, eFlexMoto Plus, eFlexPro, or eFlexMotoPro kits on your vehicle, download our free E85 tuning software to make adjustments to your engine in real-time. Then add in the fact that an engine requires 30% to 40% more E85 than traditional pump fuel to make combustion-so that's even more cooling at work. I run E85 all summer as long as the tested E85 is 85 and above. Pros over regular E10 are; Even bigger power increase than just 93 tune, burns cleaner, burns cooler, and at a minimal scale over extended engine life will reduce engine wear on specific parts. I've noticed with my tune I actually run less timing on e85 than I do on 93. Energy density of 93 octane is alot higher than e85 Boosted applications though it will favor the e85. There usually is. Meth injection does infact cool the intake charge, however I don't know if it runs any cooler after the fact. 40 per gallon less than 87-octane gasoline Jun 7, 2022 · First off, E85 is less efficient (about 25 – 35% less) than 93. Last edited by Quick10; 06-19-2021. E85 contains up to 85% ethanol so it's the highest octane fuel out there, making it a higher-performance gas leading to higher horsepower outputs for your vehicle. You need a flex fuel tune for that. Apr 22, 2012 · 582 Cincinnati, OH. Here are a few money moves you shou. ~14mpg on my E85 NA tune, ~12mpg with my nitrous tune. The car drives exactly the same as stock aside for when I get on the throttle. 95 octane/102 RON: 400-410whp B58 MHD stage 2 figures come in around 380-430whp. The world of music is a vast and diverse one, filled with melodies that have been passed down through generations. Jan 12, 2019 · With the flex tune, you can run E85 without issue, then use a tank of "premium" gas (91 octane, 10% ethanol in CO) to clean injector deposits. Apr 3, 2018 · Testing and tuning of the ethanol-based fuels was as difficult as doing the meth injection tuning. If I wanted to, I can put my 2. Piano tuning is an essential aspect of maintaining the quality and sound of your instrument. Because you're in an area where E85 is more difficult to find I do believe Meth injection is the better option. Updated High Pressure Fuel pump and full E85 tuning! I want to update the site on working with full ethanol and the new XDI High Pressure Fuel Pump. The IE flex tune with is38 sounds awesome. Although E85 has some benefits over gasoline, such as being renewable and producing less emissions, it also has some drawbacks. 3 gallons, the btu content of the alcohol is more than gasoline when tuning to the same lambda, hence the increase in power production when tuned. With still having almost half a tank of e85. Since the e85 station doesn't carry 93 oct, will it be an issue to fill up 3 gallons of e85, stay on my 93 tune and drive a couple blocks to the nearest 93 oct pump, then load the. The truck had 93 in the tank for all runs. May 29, 2018 · I have 3 tunes. You can monitor the alcohol % on the Ngauge. 3-liter V8 engine currently in production, as of March 2015, for Chevrolet trucks. Over time, the strings and other components of a piano can lose their tension a. From what I've read, these engines use the knock sensors to monitor detonation and will keep increasing timing until knocking occurs. Also, you won’t get decent fuel economy with E85 as you’d get with 93. As the title says is there much a difference between the 93 tune and e85?. Fuel economy will be approximately 30% worse fyi. 93 for me (2019 and tuned) and excellent gas mileage09 at Costco for 93, E85 elsewhere is like 290, and huge drop in mileage city or highway. E85 Ethanol % * E85 Ethanol content can vary. Consider these important factors before moving to E85, including how to care for your fuel system after the fact. Depending on dyno i'd get 320-330 on 87, 330-340 on 93 and 340-360 on e85 depending how much the stock tune is actually allowed to add. The truck had 93 in the tank for all runs. 5 gallons of 93e0 v power from shell and the car is back to running great after few miles. Jump to Latest Follow 3K views 0 replies 1 participant last post by flsupraguy Mar 27, 2016 flsupraguy Discussion starter 11 posts · Joined 2016 Add to quote; Only show this user #1 · Mar 27, 2016. What is E85, and how is it different from regular gasoline? Answer: E85 is a type of ethanol-based fuel, containing up to 85% ethanol, while regular gasoline (93 gasoline) typically contains a lower ethanol percentage, often 10% or less. many stations have up to e10. I also noticed that the Injection Timing SOI base tables also multiply as alcohol content increases. Energy density of 93 octane is alot higher than e85 Boosted applications though it will favor the e85. There usually is. a flex tune with 100% E85 in the tank. Dec 18, 2021 · Running E85 fuel on the stock tune bumped that up to 244 hp and 308 pound-feet of torque the car made 302 horsepower and 403 pound-feet of torque on 93 octane. The octane boosting properties of ethanol outweigh the slightly diluted energy content. Are you a fan of high-speed racing and looking forward to catching the latest NASCAR race today? Well, you’re in luck. The additional reduced thermal properties from 50->85% are minimal. Jul 7, 2020 · Based on the results of the two dyno graph comparisons, you can see that with the same engine, tuner, and turbo combination this 1. 5 gallons of 93e0 v power from shell and the car is back to running great after few miles. In today’s digital age, music is more accessible than ever before. 2021 Kia Stinger GT2 #1. Darren's built Coyote made 555 on 93 octane and 572 on E85 on Rev Auto's dyno. Here are the results for the pump E85 versus 93 octane pump gas:. Based on this very limited data, it would appear that a Stage 1 + E85 car could potentially yield more power than a Stage 2 91/93 octane tune. Any info would be appreciated though. CNT racing exhaust (4. There are a couple of advantages as well: M54 E-85 Tuning (N Hi, searched through the forums and have yet to find a dedicated E-85 tuning thread for the e46 m and non m cars especially for the N This should help with people that have either the M54B30, B25, B28 and S54B32. 48@150 To get the desired ethanol content (depending on tune and fuel system)you basically mix pump 91 or 93 with e85 and test it. One such option is Spectrum, a cable TV provider that offers an extensive lis. 40 per gallon less than 87-octane gasoline Jun 7, 2022 · First off, E85 is less efficient (about 25 – 35% less) than 93. PS2 on 93 will put you around 600-650hp depending on how aggressive you wanna go with the custom tune, but you can also push the turbos to a higher rpm. One key aspect of vehicle maintenance is getting regular tune-ups. E85 has a typical octane rating of around 100-110. Depending on dyno i'd get 320-330 on 87, 330-340 on 93 and 340-360 on e85 depending how much the stock tune is actually allowed to add. Because you're in an area where E85 is more difficult to find I do believe Meth injection is the better option. You need 30% bigger injectors and fuel pump plus the tune needs to reflect that you are using E85. The Kentucky Derby is one of the most prestigious horse racing events in the world. Cons: *More expensive *Won't make you as much as E85 *Can still give your car knock. What am I missing? I am most worried about reliability. I believe for every 5% increase in ethanol content, the octane is raised 1 point. Max performance tuning a 3. free text book reddit 1775 posts · Joined 2009 Prepare for a single digit avg out of your 6 I saw about 5mpg less on avg compared to 87. However, E85 has a 27% lower heating value than E0 gasoline, meaning you have to use more of it to get the same BTUs. Logged 2007 Sky Redline - Wester's. Spring is here, and it’s time to bring your bike out of its winter hibernation. When it comes to maintaining your vehicle, regular oil changes are essential. While using E85 can provide you with a noticeable power boost, it's essential to be aware of the downsides. afaik it isn't a ton of power you are losing it is between 5-10whp depending on your tune for e85. E85 has a typical octane rating of around 100-110. E85 Ethanol % * E85 Ethanol content can vary. In California, our overpriced pump premium sells for roughly $3. EFI Sales, Installation and Tuning. Professional Wiring. The octane being the resistance to pre-detinaton or spontaneous combustion. Running a dedicated E85 tune is kind of a pain in the butt. And it also makes the engine run. This question was just one taken from the Q&A. Nothing to snarl at for a few basic bolt-ons and a flash tune. Since the e85 station doesn't carry 93 oct, will it be an issue to fill up 3 gallons of e85, stay on my 93 tune and drive a couple blocks to the nearest 93 oct pump, then load the. 7 if the E85 is 100 octane. asian meat markets near me When it comes to maintaining your vehicle, regular oil changes are essential. stay out of the boost. Since its 85% ethanol Vs 10% ethanol (Gas) And proportionally the octane in gas is 91-93 Vs E85 being 100. 60 per gallon for 91 octane at generic gas stations. For decades, alcohol has been used in drag racing, NASCAR, IRL, and so on. Running 51% right now and it definitely feels like it has more mid-range punch. If you ran an ethanol free 100 octane gasoline, you should be able to make the same, or more power 93 Octane with Ethanol vs 91 Without: 93 octane with 10% ethanol provides higher knock resistance than 91 octane ethanol-free. One of the most common mistakes guitarist. The way Unitronic has tuned the transmission it adapts to the load. How much better is E85 vs 93?. Jul 25, 2023 · The extra cooling and the higher octane (98+) allow more spark advance and more boost. 2 V10 for a total of 650hp and 435tq. craigslist denver cars for sale by owner We would like to show you a description here but the site won't allow us. The power resulted even lower. Despite having race-grade E85. (Photo: dynojet) There is a reason why Lund Racing has been setting the standard in Ford tuning for years on end. Only mods are Corsa Touring axle back, JLT Intake and sct Lund tuning. NachO If you want to be truly accurate then the proper approach would be to change the stoich setting to suit whatever blend you're running - 9. (Photo: dynojet) There is a reason why Lund Racing has been setting the standard in Ford tuning for years on end. 14127 posts · Joined 2011 100 octane allows as much power as E85 octane wise but does not offer the cooling effect. 0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15" conversion 1059 WHP/944 WTQ, 9. In fact, because e85 is actually cheaper than 93 octane by me, it would be better than free horsepower. I just found out I can get E85 pretty easily for my 2020 F-150 3 I know there are strong gains from timing and cooling effects from the E85 but due to volume required, I may max out my fuel system earlier. Power increase was slightly noticeable as it took less throttle to maintain speed and 4cyl mode with my 5 That is why you put the ethanol in first.
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One of the most common mistakes guitarist. Does it have more power with E85? I cannot tell for sure but I suspect a little. Your Gasoline has an ethanol content of 10%. My baseline Dyno was 378whp All SAE corrected. Tuning strategy question 93 vs e85. If you are in an area where E85 pumps are. The power resulted even lower. 47lb injectors or ID's are required before I will do an E85 tune. Nov 13, 2020 · Video sponsored by Ridge Walletridge. The Kentucky Derby is one of the most prestigious horse racing events in the world. 034Motorsport has been tuning for over 15 years and has a combined 100+ years of experience across our world-class calibrators. One of the […] The power is in your hands with the intuitive eFlexTuner. Ken from Palm Beach Dyno posted this on FB: 1. With still having almost half a tank of e85. Here are the results for the pump E85 versus 93 octane pump gas:. Energy density of 93 octane is alot higher than e85 Boosted applications though it will favor the e85. There usually is. Granted, the dyno runs don't appear to have been back to back so other factors such as a significant change in ambient temps could have. Here are the results for the pump E85 versus 93 octane pump gas:. That is, if you think ford's mbt is accurate K44. We picked up 15-20hp on the coyotes with e85 and more timing and was wondering that was a possibility or not There is a video that came out today of difference between 93 octane and e85 he compares using dyno and shows. I've run both 91 (while I was in California) and 93 (here in Virginia) versions of the same tune (Cobb stage 1 and 2 OTS) on stock Fiesta STs. The total horsepower and torque. I've had the tune several months now. 30 inch resin planter Running slightly more than stock boost takes use to roughly 95% capacity of the stock fuel system and we were able to run a 4 That is better than most 93 tunes and Also, because we are not leaning on the turbos very hard, there is less heat build up which is going to result in better ¼ mile times the 93, especially in the heat. Running E85 fuel on the stock tune bumped that up to 244 hp and 308 pound-feet of torque the car made 302 horsepower and 403 pound-feet of torque on 93 octane. What is the downside to 10% ethanol? Just trying to figure this out. It is a great option for FI. Since its 85% ethanol Vs 10% ethanol (Gas) And proportionally the octane in gas is 91-93 Vs E85 being 100. Before you go for your first ride, get it road- or trail-ready with some basic DIY maintenance As the year wraps up, it's time to start thinking about deadlines—and there are a handful of financial deadlines to meet by the end of the year. In essence, unless you want to be checking every tank of E85 for its ethanol quality and adjusting the tune accordingly, or are running a flex fuel sensor, it might be a good idea to run the corn-based fuel and water/meth in tandem. Mar 30, 2017 · So one of my preferred gas stations offers e30, e85, 87, 89, and 92. But as far as 93 octane goes, not everyone's car is the same and not all 93 fuel is the same just running 93 octane (good product from Sunoco), flex vs Reactions: Justgonna send it Stage 1+ on E85 is faster than Stage 2 93 octane. I think i will stick to 93 at shell even tho it is 4 My car seems to love it When you put 87 octane in the newer V6 Expeditions, your running at reduced performance4l uses a much lower compression and runs full power on 87. 93 octane where I am is near 6 bucks a US gallon. 034 Stg 2 E85 Tune, REV9 Intercooler, CTS Turbo DP, VPS Resonator Delete. We would like to show you a description here but the site won't allow us. Seems like an easy, cost efficient way to get an additional ~50whp on a modded car. Also, if your tune is for 93, adding more than 2 gallons to a full tank will require the ECU to adjust various parameters beyond what the tune is designed to do and therefore will be detrimental to performance. The second generation now has a tune that allows them to run E85 and pick up +49 more horsepower from a 5. I am lost on this calculation lmao7 is standard for E0 gasoline. ufc tickets vegas The extra cooling and the higher octane (98+) allow more spark advance and more boost. The engine is smooth, acceleration is awesome. If you or your tuner isn't familiar with tuning either E85 or meth injection, you're in for a long day on the dyno. Not only does the water/meth provide more than enough room to compensate for any variation in fuel quality, it. Every year, millions of people eagerly await this thrilling race, wondering what time it will ta. I run E85 all summer as long as the tested E85 is 85 and above. In general when switching to E85 we will find that we need to inject around 35-40% more fuel to make the same power we saw on pump gas. Most principles are universal when it comes to tuning on E-85 and runing it, so its not too. Advertisement Ever heard an out-of-tune piano? The piano's strings have been allowed to fall out of tune and as a result, the keys are no longer synchronized. Contributed by: enginebasics For an owner or tuner that has never tuned an E85 vehicle it can be a frustrating experience. The stock tune will work with 91/93 premium and not cause damage if you put in fuel that is 4 or 5 octane less. On my B9 S5 Sportback I am running custom map 6. It's friggin' bayonets, man. I run E85 all summer as long as the tested E85 is 85 and above. The more boost/cylinder pressure, the greater the gains can be with E85. The numbers for them on 93 octane are 25whp lower than K&N's DJ numbers on 91 octane. Technically you can get away with putting 87 in your WRX in a jam, but 87 is far more likely to cause knock than 93 is. 5:1 on 93 octane), and timing was roughly the same as well (+- 2 degrees). Feb 11, 2022 · In this video, Javi fills up the Camaro SS 1LE with E85 and takes it to the dyno to see the gains, and compare vs 93 octane. Just make sure you are budgeted for the trans upgrade and axles if you plan on using drag radials or wanting hard launches out of the car. Their tuning allows the use of a flex fuel sensor to be installed. Pros over regular E10 are; Even bigger power increase than just 93 tune, burns cleaner, burns cooler, and at a minimal scale over extended engine life will reduce engine wear on specific parts. While using E85 can provide you with a noticeable power boost, it's essential to be aware of the downsides. trendy braids for women You can run E85 with stock cats. It seems that 87 is adequate and will work just fine but a higher octane fuel, whether it is 89/91/93 or E85 is producing better results. Car Craft dyno test's Ford's Gen 3 Coyote 5. The savings is just an added bonus. What do those of you who run E85 pay for it? Frank 1989 Blue LX Hatchback Lund will send you a 93 tune as well as a Flex tune and E85 race tune. We will also go over the benefits of Flex Fuel. Oct 23, 2019 · Our 2019 Subaru WRX D’GARAGE project will serve as our test bed for the flex fuel conversion. They're simply too small. Was that a factory 93 octane tune vs an e85 custom tune? Reason I bring it up is that I've heard you can pick up quite a bit over a factory tune going with a custom 93 octane tune on an otherwise stock ls3. The Lund tune features flex fuel logic so I can run E85 or gas or a mixture of the two. Was that a factory 93 octane tune vs an e85 custom tune? Reason I bring it up is that I've heard you can pick up quite a bit over a factory tune going with a custom 93 octane tune on an otherwise stock ls3. Gonna run 2-3 more tanks through to get the content up. E85 runs were more heat-soaked, but still produced more power. 2016 Mustang GT Roush 2. Anyway, unless you leave the tune stock and don't change parts to make more power, you are very limited in what the car can do. Also, if your tune is for 93, adding more than 2 gallons to a full tank will require the ECU to adjust various parameters beyond what the tune is designed to do and therefore will be detrimental to performance. That is, if you think ford's mbt is accurate K44.
Tuned, a couple-focused social app developed by Meta's New Product Experimentation (NPE) team, is shutting down a little over two years in development. Logged 2007 Sky Redline - Wester's. Learn how tuning forks work. If going from an E85 tune to a 93 tune, you could just swap IMO. Every year, millions of people eagerly await this thrilling race, wondering what time it will ta. I was in a pinch and needed gas so I stopped and did my normal 3. 5-29, and the knock sensors are very happy, on E-85 it is at 27. single female taurus daily love horoscope E85 runs were more heat-soaked, but still produced more power. The JLT car "made" 6-8 more rwhp with the hood up vs the other car (462ish vs 455whp SAE smoothing 5 in 7th gear). Tim! We encourage everyone to put their 1st name in their signature 20 GT500 CFTP, 11 GT500 2. The 2018 APR stage 2 ran 11. 5 gallons of 93e0 v power from shell and the car is back to running great after few miles. bay isle chairs E85 has a higher octane rating than traditional gasoline, so tuners can run a more aggressive tune without concerns of running too lean. This is COBB Certified for BMW, Ford, GTR, Porsche, Subaru, Mazda & more. 03 correction factor. The transmission shifting is much better, and all around the truck. 18 Mustang GTESS G3X Supercharger kitComp stage 2 camsAFS Ported Intake ManifoldUltimate Headers Borla Attack CatbackHPR DetailsPhone: 731-435-1319https://ww. I run E-85 in my Cobra and asked my tuner the same question. Simply add the amount specified by each fuel type to achieve that mixture. gold cleopatra makeup The actual amount of ethanol varies quite a bit from station to station and even by the truckload. I just found out I can get E85 pretty easily for my 2020 F-150 3 I know there are strong gains from timing and cooling effects from the E85 but due to volume required, I may max out my fuel system earlier. From what I've read, these engines use the knock sensors to monitor detonation and will keep increasing timing until knocking occurs. The total horsepower and torque gains on these newer direct injection. E85 requires a higher fuel flow rate compared to gasoline to maintain the same air-fuel ratio.
However, you will need to make sure that your car is properly tuned for E85 fuel. As the title says is there much a difference between the 93 tune and e85?. They don't default to the multiple cell of 1. In essence, unless you want to be checking every tank of E85 for its ethanol quality and adjusting the tune accordingly, or are running a flex fuel sensor, it might be a good idea to run the corn-based fuel and water/meth in tandem. Aug 23, 2019 · 91 is fine, the tune assumes e85@85%+91 octane - no benefit at all from going 93 octane. I definitely felt the difference between the 93 and Flex tune as once the E85 % is around 80 or higher it will add timing. Hard parts cooperation with ethanol not withstanding up to 10% does not effect fuel trim tuning as it's within factory parameters. When your vehicle is due for service or is running a little rough, it’s likely that you need to take it into your mechanic for a tune-up if you are not the do-it-yourself type The Chevrolet L83 is a 5. Ethanol contains less BTU energy than gasoline; therefore you need, depending on the application, about 10-20 percent more fuel as opposed to. 3,381. Tuned, Meta’s social app for. one station could be 1%, the other 10%, or some sneak up to 15% because until recently Ethanol was cheaper than gasoline. Install the sensor, wire it and enable it in the calibration. 4:1 is a hard limit for a Honda, while others are supposedly running 16. I think i will stick to 93 at shell even tho it is 4 My car seems to love it When you put 87 octane in the newer V6 Expeditions, your running at reduced performance4l uses a much lower compression and runs full power on 87. We all survived the worst so this is a bonus now! :TU: 1146 (no sliplost it!!!!) 1103with slip! Jun 13, 2011 · My E85 experience - BASE LS3 MNL. We can tune for all pump fuel and the majority of unleaded race gas. Despite having race-grade E85. E85 Benefits. The tune by itself unlocks a lot of potential that is well worth the price. E85 is an alternative fuel made from 85% ethanol and 15% gasoline. The kit comes with the billet aluminum. milking a hucow Either my e85 stock tune is bad or the gas was bad but i went and filled up 6. I like you don't trust pump gas when/if running a tune. We did a custom tune with 93 octane. However, thanks to modern technology, it is now possible to connect with spiritual experie. So even with 10% ethanol, 93 octane fuel will allow for better performance in high-compression engines versus 91 octane non-ethanol. We would like to show you a description here but the site won't allow us. But yeah, fuel economy will be garbage. Hello Everyone, I have just successfully installed E85 tune and I'm excited to start sharing my experience with the forum (MPG, drive-ability, Power,) I am glad to say that so far I'm in love with the new found power. Your Gasoline has an ethanol content of 10%. 4:1 is a hard limit for a Honda, while others are supposedly running 16. We developed the tune for the B9 S4/S5/SQ5 to deliver the best experience in terms of smooth drivability, perfect function, reliability, and added functions and features even beyond what the factory programming can provide. A 10-15 horsepower gain at the wheels is a realistic expectation for most. Sep 18, 2023 · Wengerd Performance all day man. They're simply too small. I've run both 91 (while I was in California) and 93 (here in Virginia) versions of the same tune (Cobb stage 1 and 2 OTS) on stock Fiesta STs. Calculate that into it + the cost of conversion and the potential reliability issues long-termand quit yer cryin'. One such intriguing piece is the curious beetle fiddle tune In today’s fast-paced world, finding moments of peace and tranquility can be challenging. unraid community applications In this video we dyno Gus' car stock, add 93 octane tune. The Correlation Between Boost & Timing - Many folks wonder why some tuners choose E40 versus E85 for the B9 3 Our director of software engineering. The savings is just an added bonus. E85 specific tune can push your spark timing to 32 degrees. You can run E85 with stock cats. 4 Reasons E85 Flex Fuel Produces More Power. The tunes end up being generic 1 size fits all and conservative. As the title says is there much a difference between the 93 tune and e85?. The best part is that for most of the country, E85 costs approximately one dollar less per gallon than pump premium. This was his best run of the day He ran 5 runs and then broke a motor mount. Because you're in an area where E85 is more difficult to find I do believe Meth injection is the better option. Oct 3, 2013 · Keep in mind if you use E85, even if it is cheaper, you're going to use at least 1/3 more fuel because of the lower energy of alcohol. It is an affordable option for a high-octane fuel. Previous Dyno shows the 93 Lund tune. The upgrade supports 91 AKI, 93 AKI, and E60-E85 ethanol in North America and 95 RON, 98 RON and E60-E85 ethanol in the rest of the world. comAutotech HPFP Internals Ins. Not only does the water/meth provide more than enough room to compensate for any variation in fuel quality, it. Only mods are Corsa Touring axle back, JLT Intake and sct Lund tuning. The engine is smooth, acceleration is awesome. It is an option that makes sense for some. When your vehicle is due for service or is running a little rough, it’s likely that you need to take it into your mechanic for a tune-up if you are not the do-it-yourself type The Chevrolet L83 is a 5. On the last gen cars the difference in price between the 2 tuning options was an extra 1000 dollars to run the ECUtek with flex fuel sensor. That way the car has an ethanol sensor and can make.