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Problem is e10 91 is pretty much 87 with a little ethanol in it, without the octane being any higher I dout it would help any. You could probably tune it too 11.0af on 91 then put a gallon or two of e85 on top of the 91 which would get you better fuel and lean you up to 11.5af, but I feel like if im going through the hassle of that I might aswell run straight e85. But then id need to put a cage in it and trailer it.
well you need a lot more fuel flow with the e85. as little as it's available here i'd still do it if it werent for needing another pump and probably bigger line$, injector$ and a better regulator
and i'm not planning to go past 11.50's into cage territory, i just turned the boost down
the truck can run 10's but my budget only runs 12's lol
Problem is e10 91 is pretty much 87 with a little ethanol in it, without the octane being any higher I dout it would help any. You could probably tune it too 11.0af on 91 then put a gallon or two of e85 on top of the 91 which would get you better fuel and lean you up to 11.5af, but I feel like if im going through the hassle of that I might aswell run straight e85. But then id need to put a cage in it and trailer it.
Actually many times the base blended fuel isn’t even 87 octane. 85 octane or even lower is rumored. (No idea how you’d be able to easily test that.)
Which is why it’s suggested to run an ethanol free 91 and blend in E85 (or higher) ethanol yourself when running lower percentages. If you can blend a basic straight 91 and E85 to an “E50” ratio, it’s said to be just as good (if not better) than “E85” at the pump. It also is much less demanding on the fuel system and doesn't have the ethanol "Goo" issues associated with straight E85.
Yeah, and it might happen yet, I do have a e85 pump in town but I have to fill up from 7-5. It would be very ease to make big power if I just put a fuel system on in with corn, but I dont have any safety in the car and I dont plan on putting it in there, although im already faster then I should be. But id kind of like to stick with the 91 on this car, I like that I can drive it everywhere. I actually happy with what it runs now, Id just like it running as good as possible.
Here is a pump gas (91 octane) tune I did for someone with a 10:1 370 running a s480 on 15 psi. 11 degrees of timing from 4800-5200 rpm (peak torque) ramp back up to 14 degrees by 6000 rpm. I think it made about 600 rwhp through a th400.
Last edited by Nitroused383; 07-28-2017 at 04:25 PM.
Here is a pump gas (91 octane) tune I did for someone with a 10:1 370 running a s480 on 15 psi. 11 degrees of timing from 4800-5200 rpm (peak torque) ramp back up to 14 degrees by 6000 rpm. I think it made about 600 rwhp through a th400.
I see this a lot, ""e10 gums my lawnmower/weedeater up". I have two year old gas/e10..... and my lawnmower starts almost immediately, and where i live it gets pretty cold over the winter. Same for the car, it runs on E85...... "gums up the injectors". The thing sat for MONTHS....nearly 8 months.....started immediately. Could the gum up stuff be an old wives tale?
Right now im at 12psi and 16° on 93 and meth spraying washer fluid in my nova and it seems very happy. When i decide to turn it up i will probally change to a 50/50 staight meth windshield washer mix.
I see this a lot, ""e10 gums my lawnmower/weedeater up". I have two year old gas/e10..... and my lawnmower starts almost immediately, and where i live it gets pretty cold over the winter. Same for the car, it runs on E85...... "gums up the injectors". The thing sat for MONTHS....nearly 8 months.....started immediately. Could the gum up stuff be an old wives tale?
i dont know anything about the injector goo, but it's possible your e10 and my e10 are vastly different mixes.
E10 here does it too. 1 year old mower wouldn't start after sitting from November till March. Removed the carb and found the usual white flakes. Cleaned it out and started right up. Now running AV gas in it at the end of the year.
Good luck on your 91 tune! Read those plugs as you go and you'll find what your combo likes.
I see this a lot, ""e10 gums my lawnmower/weedeater up". I have two year old gas/e10..... and my lawnmower starts almost immediately, and where i live it gets pretty cold over the winter. Same for the car, it runs on E85...... "gums up the injectors". The thing sat for MONTHS....nearly 8 months.....started immediately. Could the gum up stuff be an old wives tale?
Buddy of mine had his generator sit for a year, drain the gas line and tank, put fresh gas in and it wouldn't start. I took the carb off, opened the bowl and the gas in the bowl looked like milk. Emptied the bowl and it fired right up first try.
given how cheap and easy methanol kits are I'm not sure why anyone would really want to push a motor on 91 considering can just add single nozzle m15 kit for like $350 and increase reliability, power, iats, etc. back when my setup was single nozzle meth at 760whp it really did not use much meth at all and methanol is so cheap.
meth kits are just so easy and so beneficial seems like a no brainer to me.
How many of you guys running meth kits have ever had problems with them not coming on? Iv really considered doing a meth kit but im afraid of what happens when if it doesnt come on with the factory ecm, theres no way to correct fueling, probably run it at 13.0af and 3 degrees too much timing if it doesn't spray. Im running efi live with a custom 02 operating system, my thoughts where putting a hobs switch inline of the meth kit, once it pressures up that it will activate the nitrous monitor which I would have set to add the timing and correct a/f. Then just have my base tune setup conservative and safe for 91. But idk id it would actually work.
I see this a lot, ""e10 gums my lawnmower/weedeater up". I have two year old gas/e10..... and my lawnmower starts almost immediately, and where i live it gets pretty cold over the winter. Same for the car, it runs on E85...... "gums up the injectors". The thing sat for MONTHS....nearly 8 months.....started immediately. Could the gum up stuff be an old wives tale?
Nope. 100% true. Little things start to form inside the carb. Seen it a million times. Sometimes I can take a carb apart and clean it, but sometimes the really small guys (weed whacker) just can't be saved, at least by me anyway. Not sure besides size why some engines are affected more than others. But I can pull the bowl off of any of my small engines and sees those little white things growing.
Nope. 100% true. Little things start to form inside the carb. Seen it a million times. Sometimes I can take a carb apart and clean it, but sometimes the really small guys (weed whacker) just can't be saved, at least by me anyway. Not sure besides size why some engines are affected more than others. But I can pull the bowl off of any of my small engines and sees those little white things growing.
Guess I'm just lucky then. No issues with my lawnmower or car sitting for extended periods.
Most of the issues with E85 are region specific. Has more to do with the additives that are pre-existing in the tanks at the different stations. Then they crash out of the mixture on the injector nozzle tips or gum up the inside of carbs. It’s bad by me… (Kansas) Buddy in Texas has never had an issue. Same with a few friends on the North east coast.
And before someone says it…. This is NOT crap from my fuel tank or from the rubber fuel lines or filters.
07-28-2017, 09:12 AM
