Off their rockers
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Off their rockers

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    Senior Member Deweydaddy's Avatar
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    Default Off their rockers

    I was wondering what you guys think about off season cylinder head prepping.....any of you guys remove the rockers to unload the valve springs? Or, just rotate motor over once in awhile to randomly change position of valves through out Winter?
    I’d rather live with a good question than a bad answer.

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    gn7
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    Senior Member Deweydaddy's Avatar
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    Quote Originally Posted by gn7 View Post
    do springs where wrist watches?
    I'll take that answer to my question as, no, they don't care what time it is.....so, it's one less thing to on my checklist!!!!!
    I’d rather live with a good question than a bad answer.

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    gn7
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    Not too sure if a spring knows the difference between being at max lift for week, one, day, hour or minute. what happens to the metal in one month that does happen in one second? Does a rod bolt lose its stretch after a certain period?

    When your life is spent at 60 cycles a second at 7200 Rs, the same as the A/C electricity to a light bulb, going off and on, how hard could being held at max lift be?

    Go ahead and back them off. Its a good excuse to run the valves at the start of the next boating season.



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    Everyone on here at one time loosened them up during the off season, there isn't any evidence of this being a concern. Believe me if this was to be so I'd be loosening them up, I enjoy running valves and testing valve spring pressures....not lazy!!

    For peace of mind if it makes you feel good do it............. Remember you ask the question!!

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    gn7
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    Quote Originally Posted by Spudpilot View Post
    Everyone on here at one time loosened them up during the off season, there isn't any evidence of this being a concern. Believe me if this was to be so I'd be loosening them up, I enjoy running valves and testing valve spring pressures....not lazy!!

    For peace of mind if it makes you feel good do it............. Remember you ask the question!!
    Best reason in the world for doing it. Like the saying goes, "if it makes you feel good, do it"
    No spring was ever hurt by backing off a rocker.



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    Senior Member Deweydaddy's Avatar
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    Ok thanks guys.....while I have your undivided attention .....do you guys fog your cylinders? I can do at the same time, all valves will be closed...thx
    I’d rather live with a good question than a bad answer.

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    gn7
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    Quote Originally Posted by Deweydaddy View Post
    Ok thanks guys.....while I have your undivided attention .....do you guys fog your cylinders? I can do at the same time, all valves will be closed...thx
    Better to fog it while running with MMO or Gold Eagle engine fogging oil. Then it all over the valves and stems as well. If you dribble in MMO, be careful you don't hydro the thing.



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    Distinguished Member David 519's Avatar
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    Quote Originally Posted by gn7 View Post
    do springs where wrist watches?
    Mine do!! don't tell me you're still running the cheap stuff!!! I back mine off mostly to seal the cylinders up while the temps in the shop get cold. Probably a more a throw back to the "old days" before we had decent springs combined with my OCD....
    Quote Originally Posted by gn7 View Post
    ....... David 519 is 100% correct........

    Quote Originally Posted by fuelinmyveins82 View Post
    .....I think people forget that racing is supposed to fun. Losing shouldn't be discouraging it should motivate you work on your pile to make it faster.....

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    gn7
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    Quote Originally Posted by David 519 View Post
    Mine do!! don't tell me you're still running the cheap stuff!!! I back mine off mostly to seal the cylinders up while the temps in the shop get cold. Probably a more a throw back to the "old days" before we had decent springs combined with my OCD....
    Best reason I have heard of yet.



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    Quote Originally Posted by David 519 View Post
    Mine do!! don't tell me you're still running the cheap stuff!!! I back mine off mostly to seal the cylinders up while the temps in the shop get cold. Probably a more a throw back to the "old days" before we had decent springs combined with my OCD....
    Mine sat for more than a winter once with a few exhaust valves open. I don't live in a cold or humid environment, but they must have had some rust on them because they didn't seal when I went to run it again. I thought some run time would help, but it didn't. I wound up pulling the heads and lapping them. That said, I don't back them off, I just try to use my boat more.
    Quote Originally Posted by Spike Morelli View Post
    Golfers and Fishermen are third rate bullshitters, compared to lots of hot boaters....

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    gn7
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    Quote Originally Posted by shan View Post
    That said, I don't back them off, I just try to use my boat more.
    This beats backing them off all to hell.



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    BTC cardcarrying member sunkisst's Avatar
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    I close all the valves that are open. And, I change out the springs in my Glock every two years. It stays loaded under the sofa at all times. Better safe than sorry.
    Last edited by sunkisst; 11-09-2013 at 05:23 PM.

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    Quote Originally Posted by shan View Post
    Mine sat for more than a winter once with a few exhaust valves open. I don't live in a cold or humid environment, but they must have had some rust on them because they didn't seal when I went to run it again. I thought some run time would help, but it didn't. I wound up pulling the heads and lapping them. That said, I don't back them off, I just try to use my boat more.
    the run time must be at full throttle they will seat again if you beat the shit out of it

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