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Q&A regarding engines, turbos, and intercoolers and power upgrades
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Re: E85 pros and cons. Stock ST185

Thu Jan 07, 2016 3:15 pm

I don't normally like to beat on what another member says, but CTechBlueDragon, that is dodgy to the extreme.
What you have done, or are recommending is exactly how you shouldn't go about running E85... or doing anything with engine tuning in general.
PhantomGT4 i very much recommend you ignore everything he has said.
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Re: E85 pros and cons. Stock ST185

Fri Jan 08, 2016 12:36 am

Your welcome to your opinion but that is all it is. I have actually done it and it worked wonderfully. I never said there wasn't a better way to go about it. I just told him the cheap and effective way I found of running it and shared my results. Like I said earlier in the thread, many want to chime in never having done it themselves. If you have an experience and method you would like to share go ahead, but don't knock a proven result with just your opinion.
Have you run e-85? What worked for you?

Re: E85 pros and cons. Stock ST185

Sun Jan 10, 2016 10:51 am

Cheap yes, effective sure... until you crack a piston, split the block, etc.
E85 isn't to be toyed with. Yes you can push an engine further on it, but only if you know what you are doing, and what the tune is doing.
Get it wrong, and you won't know it until it bites back hard and you're up for an engine rebuild.

Basically E85 does not pre-detonate (ping).
You can lean the engine out and run massive amount of advance, and it'll all look sweet, but the high temps and cyl pressures will break things with no warning.
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