Quote:
Originally Posted by litle88
As far as rectangular heads are concerned, the aftermarket castings allow you to add more compression and you can use bigger cams to avoid valve shrouding. All because they change the valve angles.
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What if I'm wanting to keep the current cam that I'm going to have installed? Would I be better off porting and milling?
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TSP 1 7/8 LT, ADM Race Cold Air w/ Race Scoop, GPI SS3 LS3 Cam, Powerbond UD, 3.91 Gears, GPI Posi Mod.
498RWHP/451RWTQ
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