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kwhauck · 10-31-2011, 11:13 AM

The 15.7-15.9 range is right for a 3400 with smalls mods like cat-back exhaust and cai. The coilpacks and taylor wires won't do anything for you performance wise though, just keep your engine running well.

10-31-2011, 11:13 AM	#15
kwhauck 2Screwy Join Date: Dec 2003 Location: South Dakota Posts: 13,238	The 15.7-15.9 range is right for a 3400 with smalls mods like cat-back exhaust and cai. The coilpacks and taylor wires won't do anything for you performance wise though, just keep your engine running well. __________________