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Best heads

This is a discussion on Best heads within the Internal Engine forums, part of the LSx Technical Help Section category; I'm in need of new heads and I was just curious to everyone's opinion of their favorite heads. The cheaper ...

  1. #1
    Member natews6's Avatar
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    1999 WS6(sold) 2003 Cobra

    Best heads

    I'm in need of new heads and I was just curious to everyone's opinion of their favorite heads. The cheaper the better

  2. #2
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    red
    2000 Z28

    What are your goals, what mods do you have or intend in the near future, what is your budget? Best heads questions are difficult to answer without knowing.

  3. #3
    Powerstrokin LT1 > LS1's Avatar
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    best heads for a LSX motor have to be AFR's.

    or I personally would try to find some square port cadillac L92 heads, bu you need the matching intake. they flow very good numbers in stock form

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    2000TA

    you can find some used #243s for sale on all of the ls1 forums,$400-500.

  5. #5
    Member natews6's Avatar
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    1999 WS6(sold) 2003 Cobra

    my car currently has ls6 cam and heads, shorty headers, MAF, and ORY with electric cutouts. I'm going to start fresh on a new ls1 within the next 3 years. This motor I'm on now has a bad intake valve in cylinder #7. My budget for this motor is "cheaper the better" anything below 500 bucks would be great.

  6. #6
    Member c5z28's Avatar
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    Stock heads


    If you have ls-6 heads why not stick w/ those and get them ported? That is the cheapest option other than checking them or keeping them stock.

  7. #7
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    On your budget with the LS6 cam I'd suggest a valvejob/rebuild of the LS6 heads with a good set of double springs (for down the road) and supporting components. With good springs, you've a decent base to build upon for a more aggressive cam down the road.

  8. #8
    Next... MrKid's Avatar
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    +3 Run what ya brung

  9. #9
    Impounded
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    gmcheviac

    Quote Originally Posted by LT1 > LS1 View Post
    best heads for a LSX motor have to be AFR's.

    or I personally would try to find some square port cadillac L92 heads, bu you need the matching intake. they flow very good numbers in stock form
    i thought l92's wouldn't work on the 3.9" bore engines

  10. #10
    Junior Member noyz1's Avatar
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    Quote Originally Posted by wheeliE-maxx View Post
    i thought l92's wouldn't work on the 3.9" bore engines
    they won't unless you buy a set from Mast Motorsports- not cheap

  11. #11
    Junior Member damons00maross's Avatar
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    black
    2000 camaro ss m6

    if the are the 243 castings keeep em, if not you could wait for a good used set! i bought prc stage 2.5 from tsp, 11-12 hundred new, but would definitly get a bigger cam.
    It's nothing my credit card can't fix!

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