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Old 08-27-2018, 10:31 PM   #4
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Drives: 2018 ZL1 M6
Join Date: Dec 2017
Location: CA
Posts: 301
Quote:
Originally Posted by David@Vengeance View Post
On a stock car?
Oops, meant if you run e85 (mixing 91 unleaded and e85 so will have 55% e85 to 45% 91). Yes, on stock car, except the required re-tune to enable e85. What is your best guess?
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