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Old 05-05-2015, 10:59 PM   #28
Johnny Mac
 
Drives: 2015 ZL1
Join Date: Jan 2015
Location: Socal
Posts: 159
I picked up two 5 gal. Cans of 100 octane $ 8.99, $90.00. Try 4gal to a tank of 91.

How much is the boostane?

What's going to happen in the long run to a stock car running california 91 octane?
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