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Newbie engine questions

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by GaBnn3, Jul 23, 2006.

  1. GaBnn3

    GaBnn3 Registered Member

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    Location:
    Holyoke, Ma.
    My '88 Chev V-10 Suburban has a 5.7L TBI engine that needs a valve job. I am willing to try and replace the old heads, but am stumped by the descriptions I've seen on-line. What is the casting number? I don't know what mine are. Also what is a 2-bolt vs. 4-bolt main? Thanks.
     
  2. JIMs70K25

    JIMs70K25 1/2 ton status

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    casting number- is the same as say a model number, for heads it's usually under the valve cover. engine block, sb chevy on the back of the block pass side I believe.

    2 bolt v. 4 bolt - number of bolts used to hold the main bearings, 2 or 4.
     
  3. MA87K5

    MA87K5 1/2 ton status

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    Chicopee, Ma 01020
    I have a set of heads you can have. Came from a 1990 tbi 350 K5. Same heads
     

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