Thread: Octane Change
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Old 02-18-2012, 11:58 AM
CantRepeat's Avatar
CantRepeat CantRepeat is offline
Join Date: Jul 2008
Boat: 06 X30
Location: Roll Tide!!
Posts: 13,396
I don't believe any factory 351W ever needed 93. You can fun 87 in it all day long and not worry about it; it's like an 8.5 to 1 compression motor. I do not believe your brother is giving you correct info.
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