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5.3L Heads

This is a discussion on 5.3L Heads within the External Engine forums, part of the LSx Technical Help Section category; How much of a gain will i get out of a 5.3L heads on my LS1?? if any i am ...

  1. #1
    Senior Member OnEbAdReDSS's Avatar
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    5.3L Heads

    How much of a gain will i get out of a 5.3L heads on my LS1?? if any i am planning on buying a LS6 Cam... Will there be any big gains w a tune??

  2. #2
    Local Bum TARZAN's Avatar
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    Cobra, Z28, GN, F250

    If you go with 5.3 heads, its a good idea to check into getting them at least mildly ported and some oversiz valves put in em....and then you could see 400+ to the tires with a nice cam and tune

    -Will

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