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Some Advice

This is a discussion on Some Advice within the Internal Engine forums, part of the LSx Technical Help Section category; So I'm looking for a good and reliable set of heads and a good top end camshaft. My upgrades include ...

  1. #1
    Junior Member D_OPP_99LS1's Avatar
    Join Date
    Mar 2008

    1999 Pontiac Trans Am

    Some Advice

    So I'm looking for a good and reliable set of heads and a good top end camshaft. My upgrades include a full exhaust, 9in rear with 3.73s, ls6 intake and lid. I know the math involved and just wanted to get some feedback and brands that yall have had luck with. I'm looking for a 67cc chamber volume, 213cc intake and 78cc exhaust with a max valve lift of .650". Im not sure about valve sizes yet but i'll approximate 2.02" intake and 1.57" exhaust. This head i mapped out may be too large for the ls6 intake and may need to upgrade to the FAST. I just wanted some advice and success stories.

  2. #2
    Senior Member rajiv1998's Avatar
    Join Date
    Sep 2006
    New Jersey

    1998 Pontiac Trans Am

    I would check out the 5.3 PRC head and cam package from texas-speed.

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