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felpro vs standar headgasket

Discussion in 'Early CJ5 and CJ6 Tech' started by ktm25089, Apr 13, 2008.

  1. Apr 13, 2008
    ktm25089

    ktm25089 Member

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    hello,
    what are you thinking about felpro headgasket?is it more trouble free that the standar?i was read that it will not need retorque.have a more better sealing?

    thanks
    George
     
  2. Apr 13, 2008
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    You won't go wrong with Felpro. It's a quality product.
     
  3. Apr 13, 2008
    kaiser_willys

    kaiser_willys Well-Known Member

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    :iagree: personaly i live the victor gaskets better, getting hard to find around here though
     
  4. Apr 13, 2008
    StraightToPlaid

    StraightToPlaid Ludicrous speed!!!!

    West Chester, OH
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    I've never used their head gaskets, but I've never had a problem with any Felpro product I've ever bought.
     
  5. Apr 13, 2008
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    I personally prefer Fel Pro. I won't use anything but Fel Pro for head gaskets...
     
  6. Apr 13, 2008
    ktm25089

    ktm25089 Member

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    will they need retorque?
    because i've heard that they don't.i will add permatex high temp sealant to the head bolts threads
     
  7. Apr 13, 2008
    kaiser_willys

    kaiser_willys Well-Known Member

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    they claim no retorque needed, i have done it both ways,just that old school teaching that i was taught, not that big of a job to retorque
     
  8. Apr 13, 2008
    ktm25089

    ktm25089 Member

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    like the standard?torque at 60lbs and with the engine hot after some miles torque at 65lbs?
     
  9. Apr 13, 2008
    kaiser_willys

    kaiser_willys Well-Known Member

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    i always ran one for a day"my own" then let it cool and re torque to spec, things tend to expand when heated, so this could crush the gasket a little more, and after it cools things can be a little looser than normal, re torque to spec, usually have a 5 to 10 ft lb variance withn the spec its self, in other words the spec may say torque to 70-80 ft lbs, ideal for me would be 75 in that case, some give only 1 spec may say torque to 70ftlb in that case 70 it is, no need to torque past spec, some bolts may not even move when you retorque, thats normal
     
  10. Apr 14, 2008
    ktm25089

    ktm25089 Member

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    i'm confused about the hot and cold re-tight.they are two camps.
    the first say that to leave to cold and retorque and the other say that to retorque it hot.i don't know what to do.i'm scared a bit to retorque with the engine hot not to brake any bolts because of the expansion from heat.i will use a felpro gasket.after a contact with the company they said to me that no need for retorque.anyone that installed a felpro here?????what do you think??
    thanks
    George
     
  11. Apr 14, 2008
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    I've only used FelPro head gaskets, and never retorqued. No problems.
     
  12. Apr 14, 2008
    LarryD

    LarryD Member

    Gallup NM/ 4 Corners
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    I sold Felpro back in the day, Never had a complaint or failure. I believe the torque specs are for a cold engine. I always torqued the bolts ran the engine to operating temp ,re-torqued and forgot about it, never a failure.
     
  13. Apr 14, 2008
    kaiser_willys

    kaiser_willys Well-Known Member

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    use the felpro... run it.. keep a eye on things.. if no coolant in the oilpan or leaking outside dont worry about it, if so retorque cold,if problem persist you have other problems...ie craked head warped head etc.. like said i have done it both ways with great sucess, have ran into a time or two that it needed a retorque,but more often no problems
     
  14. Apr 15, 2008
    ktm25089

    ktm25089 Member

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    will they need to spray some copper spray on them?like permatex?
    i'm trying to find new head bolts.where can i find?please help.
     
  15. Apr 15, 2008
    kaiser_willys

    kaiser_willys Well-Known Member

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    i am guessing you have a F134 unless you are missing some or have broken ones, i would use what i got
     
  16. Apr 16, 2008
    ktm25089

    ktm25089 Member

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    yes,f-head.
    some bolts are rusted.so i cleaned with a wire brush on a drill.on the threads are some pitting.and wondering if they would be leaking.
    will use permatex high temp thread sealant.
    or aviation sealant????
     
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