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Thread: block trouble
          
   
   

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  1. 04-03-2004 01:09 AM #1
    72swb
    72swb is offline CHR Member
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    Car Year, Make, Model: 72 swb chevy
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    Question block trouble

     



    I NEED HELP I WENT TO MORTEC.COM AND CHECKED MY BLOCK# IT SHOWS 3 DIF BLOCKS WITH THAT SAME NUMBER
    302-69-Z28 4BOLT
    327-69 IND. OR TRUCK-2 BOLT
    350-69 TO 80 2OR4 BOLT
    HOW DO I FIND OUT WHAT I HAVE WITHOUT TAKING MOTOR AP
    ART?


    thanks guys i guess i'll have to do some cleaning to find more numbers taking it apart is not good this is my daily driver.
    Last edited by 72swb; 04-03-2004 at 04:56 PM.
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  3. 04-03-2004 05:19 PM #2
    72swb
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    Question block numbers

     



    hey guys did some more checkingand found the following
    block has 3970010also has h 30 6 and the number 37. the heads show conv4 k 12 9 and 8947041 and the letter t. when i bought the truck i was told it was a 350 4bolt with a steele crank flat tops and 202 heads now that i want to change it i need to find out all i can so i know where to start.
    thanks again for any help
    don
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  4. 04-03-2004 05:32 PM #3
    BOBCRMAN@aol.'s Avatar
    BOBCRMAN@aol.
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    Sorry, tried to edit post and something went wrong!
    Last edited by BOBCRMAN@aol.; 04-03-2004 at 05:36 PM.
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  5. 04-03-2004 05:34 PM #4
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    BOBCRMAN@aol.
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    The block no 3970010 was used for more than ten years. In both 2 and 4 bolt main. Cast in Saginaw, Michigan. The heads 041 were only used 69-70, on the 300 hp. 4-bbl 350. The heads are almost direct copies of the "Camel backs" with acc. bolt holes in the end. Stock, they were 1.94-1.50". Flat top pistons were OEM and cranks were iron.
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  6. 04-03-2004 06:43 PM #5
    72swb
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    Thumbs up thanks all

     



    thanks all for the help its good to find a place where you can get answers and not crazy jibber jabber . i'm new to all this computer stuff as well as the hot rodding but i have allways loved cars and trucks. will have more questions so dont hate me lol
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