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Thread: Need help on head identification
          
   
   

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  1. #1
    Squeeks23 is offline CHR Member Visit my Photo Gallery
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    Need help on head identification

     



    Can any one tell me by this picture what kind of heads these are they are off a 350 https://goo.gl/photos/6xnDFYoQj5EoVCeR6
    Last edited by Squeeks23; 07-08-2016 at 12:38 PM.

  2. #2
    glennsexton's Avatar
    glennsexton is offline CHR Member/Contributor CHR Contributor Visit my Photo Gallery
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    Welcome to CHR

    Really impossible to tell without casting numbers as Chevy was all over the board with these heads. First thought is perhaps a '69-70 350 041 casting - 1.94/1.50 valves and a pretty decent head used in the 330 horsepower factory builds.

    Second thought is possibly 186 or 492 casting which could be 1.94/1.50 or (better) 2.02/1.60 valves as found in the LT1/Z28 engines.

    Only guesses - get the casting number and we can help you out.
    "Where the people fear the government you have tyranny. Where the government fears the people you have liberty." John Basil Barnhil

  3. #3
    Squeeks23 is offline CHR Member Visit my Photo Gallery
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    Thanks that helps yea i it was in a 79 dually but im pretty sure it was swapped into it

  4. #4
    69Bee's Avatar
    69Bee is offline CHR Member Visit my Photo Gallery
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    Were just the heads swapped, or the whole motor? If the motor, what are the last two or three letters on the deck pad behind the alternator (pass side)?

  5. #5
    Squeeks23 is offline CHR Member Visit my Photo Gallery
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    Only onesbi can find are 01155707 and K06-11-TXD

  6. #6
    69Bee's Avatar
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    TXD 1975 350 Application conv.cab VIN L LS9 165HP 4BBL Body Comments C-20 to 3500

    Very good info: Chevy Identification Numbers

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