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rebuild kit question

Discussion in 'The Garage' started by gibby2268, Jun 23, 2006.

  1. gibby2268

    gibby2268 1/2 ton status

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    I have a 79 K5 with a 350sbc. I bought it with just the short block in it but had some 74 vintage heads to put on it. It is a carbed engine. All the engine rebuild kits I'm finding are for either pre 86 or later engines, is this just due to the fuel injection systems being on the later motors? Basically I need to know if I can just use a rebuild set for the older pre 86 engines on my block and be fine since mine is carbed. Please pardon the probably dumb question!
     
  2. blackblazer717

    blackblazer717 1/2 ton status

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    is the engine in the truck original from 79?, if it is, get a pre 86 rebuild. it list's the pre 86 in all the catalogs because in 87 they went to center bolt heads and the intake bolted to the heads different as well. i suggest going to PAW (performance Automotive Warehouse) and get a rebuild from them, good stuff cheap!
    but thats my input

    LUKE
     
  3. gibby2268

    gibby2268 1/2 ton status

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    Not original block, its an 89 block, have 74 heads.
     
  4. hack500

    hack500 1/2 ton status

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    iirc,they also changed from 2pc to 1pc rear main seals on the small blocks.
     
  5. gibby2268

    gibby2268 1/2 ton status

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    k, so I can get an older rebuild set, get a one piece main seal and be ok? The older sets are just sooo much cheaper.
     
  6. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    The only real difference is the 89 uses a 1 piece rear main seal and a different oil pan (so those two gaskets will be different). Also 89 has centerbolt valve covers (so those gaskets will be different). Every internal part will work as long as you don't have a roller cam (truck engines of this vintage did not have them).
     
  7. gibby2268

    gibby2268 1/2 ton status

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    Exactly what I needed to know...thanks!
     

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