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Thread: 4.8 NA build

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  1. #7
    Join Date
    Sep 2008
    Location
    Hope Mills, NC
    Posts
    676
    taking the motor out of the truck isnt really an option. but i do understand exactly what your saying.
    since they are flat tops, does anyone know the actual compression with a stock headgasket/243 head combo. and also by milling off every.005 how much it would increase the compression? im gonna start googling this to see what i come up with
    Last edited by SNEEKY; 03-16-2010 at 01:59 AM.
    2005 GMC RST *sold
    2006 Silverado SS with nawz

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