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Old 03-26-2013, 05:19 PM   #34
GearheadSS's Avatar
Drives: 1969 Chevelle SS
Join Date: Jun 2006
Location: Greenville, Tx
Posts: 2,431
Originally Posted by 1BadLE View Post
why a 87? id much rather put 93 and do a fuse pull!
The fuse pull is a fix for dealers or customers that put 87 octane in their car when new. If you use 93 from the beginning and do a fuse pull, you're not really gaining anything because the PCM will already be using the programs for higher octane fuel.
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