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Torque specs needed on exhaust manifolds!!!

Discussion in 'The Garage' started by Esteban86K5, Jan 8, 2005.

  1. Esteban86K5

    Esteban86K5 1/2 ton status

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    87 Burb 454 with stock exhaust manifolds. Anyone have the torque specs on the bolts that go to the head? THANKS!!:D !
     
  2. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    20 ft lbs cast iron
    40 ft lbs stainless steel
     
  3. Esteban86K5

    Esteban86K5 1/2 ton status

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    WOW!!!:blush:

    That's not much at all!!! What if i torqued it more than that? I mean, i gave it a little muscle with the wrench, and it felt like it may have been more than 20ftlbs.

    Hoepfully I haven't screwed them up.:frown1:
     
  4. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    i don;t know, just what my manual says., SBC says 30 lbs
     
  5. Esteban86K5

    Esteban86K5 1/2 ton status

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    What manual are you looking this up in?
     
  6. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    haynes, ill look in my factory service manual in a bit.
     
  7. Esteban86K5

    Esteban86K5 1/2 ton status

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    I've only got the Blazer manual and haven't got the burb one yet so I have no spec on the 454.:crazy:

    Thanks for the help.
     
  8. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    the factory manual says 20 also.

    the haynes i have is 67-87 chevy pickups, includes 67-91 blazers and burbs. didn't know they made just a blazer manaul
     
  9. Esteban86K5

    Esteban86K5 1/2 ton status

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    Hey look at that. I DID have the stupid torque specs. Right there in my damn manual. It's been a long day.:blush:


    Thanks again!!:D
     
  10. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    ive done that before too lol. no problem
     

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