Posted by HemiMech on Monday, April 30, 2007 at 11:24:29 :
In Reply to: Re: M1 Intake Manifold #'s. posted by MoparNorm on Monday, April 30, 2007 at 10:23:10 :
Most likely out-sourced to India.
M1 intake will help upper HP/torque, but some torque will be lost in lower rpms. Pulling the heads & having P5249185 2.02" Intake valves installed will give you the best gains. Probably time for a valve job and stem seals anyway!