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      01-23-2017, 09:25 PM   #10
ashburyn54
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Drives: f87 M2
Join Date: Jun 2014
Location: dayton

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Quote:
Originally Posted by Stage IV View Post
Quote:
Originally Posted by David1 View Post
Do not mix E85 in a stock car. If you have a tune that can use it, then OK.
Not even a couple of gallons?
Your fine mixing it. The fuel system itself is safe. Seals and such, it's when you up the boost when an E mixture starts to tax your HPFP. That's why we have port injection options in the aftermarket.

Stock boost e20-e30 is fine. So no more than 2-3.3 gallons, at least that's what I experienced

I only started to run into HPFP crashes in 4th gear 6k and up but I was running 4psi over stock. It was fine for the stock boost map.

Don't worry about it! E85 is great unless the car will be sitting for a long time.
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