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Thread: 7.4 L valve spring bearing Shims
          
   
   

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  1. 10-09-2015 05:05 PM #1
    TOW'D
    TOW'D is offline CHR Member/Contributor
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    7.4 L valve spring bearing Shims

     



    Hi Gang,
    OK I misplaced , lost 4 of the steel shims that live under the valve spring bearings in the head of a 7.4L Marine fuel injected engine.

    Any body happen to have 4 they want to sell.
    steel shims .018 thick 1 1/2" OD and a 11/16" hole
    3 weeks for the dealer and I just need the shims
    I'm not sure when they started using the valve spring bearing set up but I like it
    thanks
    Hank
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  3. 10-10-2015 05:16 PM #2
    TOW'D
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    more searching and I found the 4 shim in a oil container that I cut the side out to store engine parts sitting sideways on the floor
    dough in my best Homer voice
    Thank
    Hank
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  4. 10-17-2015 03:58 PM #3
    pat mccarthy's Avatar
    pat mccarthy
    pat mccarthy is offline CHR Member/Contributor
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    Quote Originally Posted by TOW'D View Post
    more searching and I found the 4 shim in a oil container that I cut the side out to store engine parts sitting sideways on the floor
    dough in my best Homer voice
    Thank
    Hank
    i have many and GM did put a .015 shim under all valve springs stock on bbc less the heads had valve rotators sounds like yours do not . if some run time is on the springs then a 030 shim may get springs back up to new spec. any one like compcam. competition products . goodson. sliver seal. engine pro . Vsi . isky .many others have them as well . i buy from all of them yes i have many of what your looking for but what part of the world are you at ?
    Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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  5. 10-17-2015 05:01 PM #4
    TOW'D
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    Hi Pat,
    I did find the shims so thanks
    on the valves there is a bearing under the springs
    we live in British Columbia mid way up the coast many miles from "bright lights"

    Now I'm finding out that the head gaskets we got and the gaskets that were on it do not have the right cut outs for the coolant . Now I'm waiting for the corrects gaskets
    thanks
    Hank
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  6. 10-17-2015 05:14 PM #5
    pat mccarthy's Avatar
    pat mccarthy
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    Quote Originally Posted by TOW'D View Post
    Hi Pat,
    I did find the shims so thanks
    on the valves there is a bearing under the springs
    we live in British Columbia mid way up the coast many miles from "bright lights"

    Now I'm finding out that the head gaskets we got and the gaskets that were on it do not have the right cut outs for the coolant . Now I'm waiting for the corrects gaskets
    thanks
    Hank
    that is called a valve rotator and is used on some heads just ex side or both intake and ex .i have some of them and yes you need to watch the head gaskets
    Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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  7. 10-17-2015 05:38 PM #6
    TOW'D
    TOW'D is offline CHR Member/Contributor
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    the rotator is on both valves on this engine
    cheers
    Hank
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