FYI... I'm told that LS1 manifolds would fit tighter... here's the problem with the truck manifolds (minus EGR):
Pass-side Manifold (take a look at the collector flange)
FYI... I'm told that LS1 manifolds would fit tighter... here's the problem with the truck manifolds (minus EGR):
Pass-side Manifold (take a look at the collector flange)
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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