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Old 06-09-2021, 05:34 PM   #10 (permalink)
TopgunZ
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Originally Posted by JVerge5363 View Post
Just out of curiosity....
My kit is currently tuned for 93 octane running the turbo guard with a pre-filter and about 12lbs. of boost. Does anybody have any idea of what would happen if I decided to run E85 and/or removed the pre-filter? How would any of these changes affect the tune if any? Any input is greatly appreciated as always. Thanks
How are you measuring boost? If you're making 546whp (in your sign) on 93 then you are most likely making more than 12psi. Removing the pre filter will net you another 25whp or so.

E85 will add another estimated 60whp. So you could see about 625whp.

By removing the filter you won't need a new tune, assuming your tuner set you up right. If going E85 you will need a tune for sure and I'm assuming a much larger fuel system.
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