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Thread: big block heads

  1. #1
    Junior Member SHOW GUEST
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    big block heads

    i have a set of heads can anyone tell me what they came from#3964290 and i found what looks like kl99 on them and gm9T I haven,t a clue.

  2. #2

  3. #3
    Senior Member RACING JUNKIE
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    Lenoir City Tennessee
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    here is what i found on moretec
    3964290....69-70...oval..CLOSED..396, 402, 427, 454, 101cc chamber
    Large or small hex spark
    plugs used

  4. #4
    Junior Member SHOW GUEST
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    big block heads

    thanks for the tip,i still want to find out what they came from,I,m cleaning out my husbands shop and I don,t want to make any mistakes.when i,m pricing anything.

  5. #5
    Senior Member DYNO OPERATOR
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    VA Hospital, Dallas, Tx (214 302 1924) cell-972-464-7400
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    Can you get us a picture of the combustion chambers?

    If it is the head I think it is it has lots of street potential but little value becuase no one knows of the potential it has. If it is the other head I am thinking of it has also a low value but can work well in street applications with a little bit of piston work to clear the domes on the sides.

    Ed
    " Let all things that hath breath, praise the Lord. Praise Ye the Lord" Psalms 150 vs 6.

  6. #6
    Senior Member RACING JUNKIE
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    Hmm cleaning out the husband's shop huh, that's either a bad thing or a good one depends on the situation I guess.
    Goodluck Charles
    ***IN GOD WE TRUST***

  7. #7
    Junior Member SHOW GUEST
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    its good before i sell another car or part i want to know what i have,i,ll get you a pic as soon as my daughter can come up.ya know how that goes.

  8. #8

    heads

    My casting # book says that head is a 1970 oval port used on the following engines, 402 - light truck, camaro, nova, chevelle, and full size, 454 - 390 hp corvette.

    Dan

  9. #9

    Big Block Heads

    Hi, I saw your posting on the heads, and I am looking for a set of these with these dates codes for a chevelle I am building right now. I would really appreciate your letting me know if you would be willing to sell them to me. I have another pair of them that are dated in April of 70, that I could trade you if you still need a pair. Please let me know if you would be willing to sell. Please email me if you are willing to discuss this, thanks dricks@hotmail.com thanks david

  10. Racing Junk


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