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Need head identification please

This is a discussion on Need head identification please within the Internal Engine forums, part of the LSx Technical Help Section category; Ok so when i bout the 96' LT1 it had a 383, and came with seperate I have a heads ...

  1. #1
    Bat Outta Hell
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    Need head identification please

    Ok so when i bout the 96' LT1 it had a 383, and came with seperate I have a heads that are aluminum... I was hoping you guys could answer my question, are they same as stock or better?? Casting number is #10128374.
    All the info i have on the heads is this:

    68cc reverse flow, 175 intake ports, 68 cc exhaust ports thats all the info i could find guys...

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    according to mortec.com that casting number is a stock head.

    http://www.mortec.com/castnum.htm

    10128374...92-up...350..........Gen.II LT1, 53cc, angle plug,
    aluminum, reverse flow cooling,
    175/68cc ports

    now, if those heads you have now are ported with larger valves, yada, yada, yada, then they will be better than stock. otherwise, they are stock heads.
    Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge

  3. #3
    Bat Outta Hell
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    So the stock lt1 heads are Aluminum as well??

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    yes.

  5. #5
    Bat Outta Hell
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    Alright man, thanks...my question is, my ported and polished heads would make an estimated hp/tq over the stock non-ported and polished....thanks

  6. #6
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