Adjusting Roller rockers on with solid liters
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Adjusting Roller rockers on with solid liters

  1. #1
    Senior Member Swain's Avatar
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    Default Adjusting Roller rockers on with solid liters

    I want to know what way works the best. I had done mine once before and a few were loose when I checked them after my run. My cam calls for 28 cold 30 hot lash. Isky solid flat tappet.

    Thanks

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    Senior Member Fonz69's Avatar
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    Are you sure about that?

    Are they the same on intake and exhaust?

    What cam are you running?

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    southwindsforsure justsquirtin's Avatar
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    i just did mine=went online=adjusting solid lifters=a chevy dealer hot rodder came up-adjust each valve individually=starting with #1=intake fully opened and you adjust the opposite intake listed=i downloaded the list but damn if i can find it-i did what was list in that order and the thing fired right up=24 intake/26 exhaust-good info and easy=ill keep lookin for site if you dont find it

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    southwindsforsure justsquirtin's Avatar
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    found the site===centuryperformance.com/adjusting

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    Default PM....

    Swain, I sent you a PM about this, and let me add that all the valves should be set with the "same feel"...Meaning, one person sliding the feeler Gage throughout...The "slide" is a learned art, and different people have different "feels". It is not that critical, +/- .002 aint that big of a deal, but consistency is the key.....One more thing, WRITE DOWN your settings. Record all your "tune up" info, including plug gap, timing, jets, (pills, shims), fuel pressure, [email protected], etc....Next month you might not remember which jets are in the carb, or initial timing, full advance, etc etc.....Write it down.......Ray
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    Senior Member Swain's Avatar
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    Quote Originally Posted by Fonz69 View Post


    Are you sure about that?

    Are they the same on intake and exhaust?

    What cam are you running?

    My bad 30 cold 28 hot

    Ya I printed out the cam sheet off Isky's site.

    Isky part number
    396255

    z-55

    INTAKE TIMING DURATION: 300deg.OPEN: 42BEFORE TDCCLOSE: 78AFTER BDCCAM LIFT: .337"VALVE LIFT: .590"VALVE LASH: .028HOT.030COLDEXHAUST TIMING DURATION: 300deg.OPEN: 78BEFORE BDCCLOSE: 42AFTER TDCCAM LIFT: .337"VALVE LIFT: .590"VALVE LASH: .028HOT.030COLD

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    Senior Member Fonz69's Avatar
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    well there are allot of ways to do it but if all else fails try this

    Say your on #1

    When the intake just starts to open set your exhaust, then bump the motor till the exhaust just starts to open and set your intake

    Do that for all the rest and your good to go

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    Default Wrong.....

    Quote Originally Posted by Fonz69 View Post
    well there are allot of ways to do it but if all else fails try this

    Say your on #1

    When the intake just starts to open set your exhaust, then bump the motor till the exhaust just starts to open and set your intake

    Do that for all the rest and your good to go
    Sorry, but that is plain WRONG advice.....Look at the cam card, and you're saying to set the exhaust during the overlap....The exhaust is still closing when the intake starts to open, "Overlap". This is why the IOEC method is so sketchy, mis information....TDC is clear cut, no errors, and way better for inexperienced builders/tuners.....Ray
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    Senior Member Boat 405's Avatar
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    Quote Originally Posted by Moneypit View Post
    Sorry, but that is plain WRONG advice.....Look at the cam card, and you're saying to set the exhaust during the overlap....The exhaust is still closing when the intake starts to open, "Overlap". This is why the IOEC method is so sketchy, mis information....TDC is clear cut, no errors, and way better for inexperienced builders/tuners.....Ray


    Uh, I think you mean to say EOIC,

    Ex starts opening adjust Intake

    In starts to close adjust exhaust

    IOEC wouldn't work.
    Boat 405.

  12. #10
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    Default Correcting him.....

    Quote Originally Posted by widowmaker View Post
    Uh, I think you mean to say EOIC,

    Ex starts opening adjust Intake

    In starts to close adjust exhaust

    IOEC wouldn't work.
    OK, but I was only pointing out that the info posted was wrong....That is the issue with the EOIC method, mis information, unless you've, (and a lot have) been doing it like that for years.....To "coach" an inexperienced "adjuster" with what he said could be disastrous.....TDC, is clear cut for even the most rookie builder. His own experience will allow him to make his choices later.....Ray
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  13. #11
    Senior Member Boat 405's Avatar
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    Quote Originally Posted by Moneypit View Post
    OK, but I was only pointing out that the info posted was wrong....That is the issue with the EOIC method, mis information, unless you've, (and a lot have) been doing it like that for years.....To "coach" an inexperienced "adjuster" with what he said could be disastrous.....TDC, is clear cut for even the most rookie builder. His own experience will allow him to make his choices later.....Ray
    Ok, I thought that maybe you were saying EOIC wouldn't work. It is simple and will work on every 4 stroke motor that I know of.
    Boat 405.

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    Hello all, i'm currently getting ready to set the lash on my valves. I was wondering if using the EOIC method requires you to start or incorporate being as close to TDC on the compression stroke or? I'm not sure as i'm fairly new to adjusting valves. I believe that if I start at the # 1 cylinder and just do the EOIC and work my way down the side and switch sides and do the same I should be ok, is this correct or? Thanks in advance. Oh by the way I'm running a solid roller cam bbc.

  15. #13
    southwindsforsure justsquirtin's Avatar
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    go to post 3/4 you will be ok

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    Here's my favorite way to adjust solid lifters. Take a tape measure and put it around the harmonic balancer starting at top dead center mark. Get total measurement around balancer. For example say it's 12 inches. Divide that by 4=3 inches. Now take a piece of masking tape and mark it at 3 inch intervals. Install on balancer. Now turn over engine slowly until #1 intake valve closes, when top dead center mark lines up with balancer. Set valve lashes on both #1 valves. Now turn engine over by hand to next marker [3in] Set #2 in firing order, both valves, then turn over to #3[next mark] and so on and so on till you've done all 8 cylinders. Chevy order would be 18436572. When you are rebuilding your engine. Permanently mark your balancer. Sounds hard but actually it's simple and fast and perfect every time.

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