Thread: Pushrods

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  1. #1 Pushrods 
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    Alright guys what would you recommend for pushrods I am running OER lifters with zzp stg4 heads and stock rockers also have a st5 cam.
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  2. #2 Re: Pushrods 
    GrandPrix Junkie machinegunsquid's Avatar
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    I would recommend that you get a pushrod length checker, and determine the proper lengths. Something like this

    http://shop.zzperformance.com/store/...cker-Tool.aspx

    And since you have such a beefy setup, I would recommend you go up to a 3/8s pushrod.

    "**** bills. You can live in your car but you can't race your house" -dsmuts
    Want her to stop when she's not looking karate chop her in her crotch that should quiet her for a bit or at the very least put a smile on your face -REDCOMPG
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  3. #3 Re: Pushrods 
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    Yeh I was thinking probably the 7.050 ones would be a good selection
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  4. #4 Re: Pushrods 
    GT Level Member DJNight2k's Avatar
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    Get the length checker and go from there. Especially with the OER lifters that only want like .005" preload iirc. Head gasket thickness, whether the heads have been milled etc can affect pushrod length. Worth the time to set it up right. I ended up needing slightly shorter pushrods, got them from Manton (3/8") Reasonable cost and excellent quality.
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  5. #5 Re: Pushrods 
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    Does it actually tell on the length checker the exact size your suppose to use?
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  6. #6 Re: Pushrods 
    GT Level Member DJNight2k's Avatar
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    You will use it to get the proper preload, and then measure it with a caliper or similar instrument and that will be the length you need. Or better still, set it to 0 lash and measure (measure several or all valves) and then add your desired preload amount to the zero lash measurement. There is a writeup on the Zzp website iirc.
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  7. #7 Re: Pushrods 
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    Alright thanks man I will probably have someone work with me on it too lol I have never messed with them.
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