Posted by BK in Redmond [70.58.205.251] on Friday, February 22, 2013 at 21:48:08 :
I am having to fix the crack in my 251 exhaust manifold . If I port it,before reinstalling, will it make much of difference in performance ? thanks
Follow Ups: Re: porting - Daryl in Oz 06:19:41 02/23/2013
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