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Proper gaskets

Discussion in 'The Garage' started by 78Suburban, Jan 22, 2006.

  1. 78Suburban

    78Suburban 1/2 ton status

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    I bought some Napa "Seal Tech" intake gaskets. They are red in color and claim to have a teflon coating and steel core. Are they ok with an aluminum manifold? I'm about to swap on an aluminum ebrock manifold....... and the instructions say use a felpro printoseal instead of a permatorqe gasket. Which are these gaskets equivalent to? What would be better to use around the water ports, red or black RVT?
    thanks,
    James
     
  2. sweetk30

    sweetk30 professional hooker Premium Member

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    i like black my self. and the gaskets need to be paper style. the printo seal is a thin factory aplyed bead of sealer around the ports for best seal. i have never had bad luck with the printo seals.
     
  3. 78Suburban

    78Suburban 1/2 ton status

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    so should I take this back?

    So I'm guessing this is the wrong gaskets? The edelbrock website recommends something else under their manifold installation instructions. Maybe I should take this back and get a refund.

    here's a quote straight from edelbrock's website:
    "CAUTION: Always use new gaskets as recommend. Check with gasket manufacturer for compatibility with aluminum intake manifolds. We recommend Fel-Pro Printoseal gaskets instead of Permatorque. "
    [​IMG]

    [​IMG]

    thanks,
    James
     
  4. lamberthkp

    lamberthkp SITFU Premium Member

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    i put the felpro brand on my edelbrock intake, put it in yesterday no leaks yet! we used them on my last truck 2.
     
  5. 78Suburban

    78Suburban 1/2 ton status

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    ttt
    I emailed Crapa, hopefully their customer service will know. Any body here know what this gasket is equivalent to?
    thanks,
    James
     
  6. 78Suburban

    78Suburban 1/2 ton status

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    ttt I think I'm gonna take it back, just checking one more time to see if anyone is familar with what this gasket is equivalent to.
    thanks,
    James
     
  7. theperfectgarage

    theperfectgarage 1/2 ton status

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    I have never seen those, from a glance at your photo I'd say there trying to imatate a " print o seal ". I always use Felpro myself.
     
  8. RustyParts

    RustyParts 1/2 ton status

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    The reason for the teflon coated gaskets is to allow movement between the two different types of metal.

    Aluminum exands and contracts at a faster rate than steel so there will be some movement actually occuring on the gaskets.
     
  9. 78Suburban

    78Suburban 1/2 ton status

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    after doing some research and emailing the company, I've decided to take them back in favor of some felpro printoseals. The steel core of these gaskets makes them unsuitable for the expansion rates of aluminum.
    thanks,
    James
     
  10. theperfectgarage

    theperfectgarage 1/2 ton status

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    Well thought, well done.
     
  11. 78Suburban

    78Suburban 1/2 ton status

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    anybody got the part #?

    I went to Advanced today and the only felpro's they had were blue in color, I think those were the BAD metal core Permatorque's, not sure..
    What color are the Felpro Printoseals? What part # are they?
    thanks,
    James
     
  12. 78Suburban

    78Suburban 1/2 ton status

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  13. theperfectgarage

    theperfectgarage 1/2 ton status

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    Felpro # 1204 is one, I'll find others and post. Another print o seal # is 1207. The differences are port dimensions. I question the concern over steel core or not only because so far as different expansion rates go thats already happening with the aluminum intake and the cast iron heads. Any major engine builders have input on that?
     
    Last edited: Jan 25, 2006
  14. 78Suburban

    78Suburban 1/2 ton status

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    I called edelbrock and they said felpro 1256, which is a black gasket, I hope this is right, I'm gonna try to see if any local stores have them.
    thanks,
    James
     
  15. theperfectgarage

    theperfectgarage 1/2 ton status

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    I believe I've used that # also.
     

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