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Old 04-03-2025, 12:00 PM   #5
KingLT1


 
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Drives: 2016 1SS NFG A8
Join Date: Aug 2017
Location: 46804
Posts: 7,628
Quote:
Originally Posted by Saberscar223 View Post
I’ve been doing a lot of reading and I hear that Ethanol can increase the amount of boost you can run due to keeping the engine cooler but also less boost because fuel systems can’t keep up with it. I’m just super confused on what it depends on? When is it more beneficial to run 93 vs E85 and vice versa?

Is there a point where the boost on 93 would out-way the benefits of Ethanol?
The first issue is that you are kind of spamming the forums. You have posted 4-5 different threads indifferent areas when all you needed to do was start 1 thread, stating your setup, goals, and asking any questions you need help with. Instead now your are getting half ass advice from folks that don't know the full story.

The bottom line here is you are still stock bottom end with a 225 cam. At no point will 93 be better than ethanol. You will need to upgrade the fuel system to run E85. If you don't want to blend ethanol down then port Injection makes the most sense. Or you could do a Goliath HPFP and +30 injectors to run full E. With your stock bottom end, I would limit power to 700-720whp(9-10psi). If you want to run pump gas you can, your 225 cam bleeds enough dynamic compression to make it doable to 650-670whp or so. But ideally I would lower compression or just run pump for casual driving, and put some E in when you want to race it.

It's really just that simple.
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel
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