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5.3 heads

This is a discussion on 5.3 heads within the Internal Engine forums, part of the LSx Technical Help Section category; hey guys got a quick question. dont bash on me but i have heard that 5.3 heads are a pretty ...

  1. #1
    megs 02sunsetorangeZ's Avatar
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    sunset orange
    2002 Camaro Z28

    5.3 heads

    hey guys got a quick question. dont bash on me but i have heard that 5.3 heads are a pretty good upgrade and what not, we had a 5.3 truck come in to work the other day and the heads had 243 on them. Those are ls6 numbers so whats the difference? thanks clint.

  2. #2
    Rockin the Ruckus! 02Sweet's Avatar
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    2002 z28 camaro

    243 cast are the ls6 heads. That would be an upgrade to the 241s that are stock on your car. Also 799 heads are the same as 243.

  3. #3
    dbl clutch'n like i shld WICKEDLS1's Avatar
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    5.3 heads will help with torque but hurt HP

  4. #4
    megs 02sunsetorangeZ's Avatar
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    sunset orange
    2002 Camaro Z28

    Ya i knew 241's were stock and what not and 243's were ls6 but was kinda confused. Thanks guys

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