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Thread: 243 vs 799 heads

  1. #1
    Join Date
    Aug 2007
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    243 vs 799 heads

    r these 2 heads the same

    there is a low mileage set on ebay and they claim they r same as the 243

    came off a 5.3 HO
    89' GMC RCSB 6.0L LQ4, T56, 4.56 Gears

  2. #2
    Join Date
    Nov 2003
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    Someone had a set of the 799 heads this weekend at the dyno day and they sure ran some good numbers. I can't remember if they were on the new Tahoe or what though. The 'ho put out 270HP stock plus intake and catback exhaust.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
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    it was an new 07-08 tahoe....i was told the 799's are the same as a 243 head
    2006 silverado SS....Clifford Jr...turbo coming soon
    1970 Chevelle ly6 swap....d1 coming soon

  4. #4
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    ebay

    eBay Motors: 799 LS2 LS6 Cylinder Heads LS1 LQ9 L92 <25K Miles 243 (item 220248637879 end time Jun-27-08 14:36:30 PDT)

    Somebody ck these out and tell me what ya'll think!!

    Im hesitant now since the last time I bought heads, off ebay, for my 6.0 and they ended up being 5.3 heads. The guy still claims they came off a 6.0, pics and all.
    89' GMC RCSB 6.0L LQ4, T56, 4.56 Gears

  5. #5
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    clearly stated in the ad is that these heads are from an HO version 5.3L engine.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #6
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    Is it a goood deal?
    89' GMC RCSB 6.0L LQ4, T56, 4.56 Gears

  7. #7
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    thats a steal IMO

  8. #8
    Join Date
    Nov 2006
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    Mesquite, TX
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    eh so so price
    2006 silverado SS....Clifford Jr...turbo coming soon
    1970 Chevelle ly6 swap....d1 coming soon

  9. #9
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    you dont think thats a good price? I always thought those heads were like 500+

  10. #10
    Join Date
    Nov 2006
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    Mesquite, TX
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    you can get ported and polished 243's for like $600 new without springs...it's a bare casting with 25k miles...worth $300 tops imo
    2006 silverado SS....Clifford Jr...turbo coming soon
    1970 Chevelle ly6 swap....d1 coming soon

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