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Stock Motor

This is a discussion on Stock Motor within the Internal Engine forums, part of the LSx Technical Help Section category; I have a stock motor, I have to change out the water pump, so I figure while I had that ...

  1. #1
    Junior Member xTAWS6X's Avatar
    Join Date
    Apr 2010

    1998 WS6

    Stock Motor

    I have a stock motor, I have to change out the water pump, so I figure while I had that out of the way I'd change the cam as well. Just wondering what a good duration I could run with stock heads etc. Thanks

  2. #2
    Firebird Encyclopedia 9T8W66's Avatar
    Join Date
    Oct 2006
    St. Clair Shores. Michigan

    Navy Blue Metallic
    `98 Formula M6 HdTp

    With any cam change a new matched set of valvesprings is a must so keep that in mind.
    As for Cam's theres are literally hundreds that will work well with stock heads.
    Semi Retired Street Racer
    2012 Lava Red Mustang GT Coupe Brembo/3.73's
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    NBM `98 Formula M6 HdTp
    1 of 1 Build Date 3/12/98

  3. #3
    Junior Member qwk01ta's Avatar
    Join Date
    Nov 2009
    Chicago Burbs
    2001 WS6 Trans Am

    I just installed the TSP 228r 112lsa along with some longtubes. Still have stock heads but I did have to change out my valve springs and went with hardened push rods as well. Im at 392 to the rear wheels. Cam is very streetable, still has plenty of low end power. Really all depends what your looking for. Like 9T8W66 said there are many options.

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