Trust me... you'll love going from 4.3L to 5.3L! I know I did.
Trust me... you'll love going from 4.3L to 5.3L! I know I did.
5.3L '86 Silverado (E/T: 14.37s @ 94mph) - First Time Out!Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph
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