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  1. #1
    Senior Member The.MiniTard's Avatar
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    stamped steel ratio rockers

    So i've read about ratio rockers and i managed to grab a set of unused 1.3 ratio rockers, the stamped steel kind, nothin fancy. Through my research i cannot find out if they are okay to be used with a stock engine/cylinder head(header, etube upgrade only)?

    predator 69730 stock internals
    header
    140 etube/ stock jet and air box

    TYIA

  2. #2
    Senior Member TheDullCarbide's Avatar
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    They're fine with a stock lift cam and up to #18 springs. I hear they are pretty weak but work for the money. You may need to slot the pushrod guide a little.

  3. #3
    Senior Member The.MiniTard's Avatar
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    Quote Originally Posted by TheDullCarbide View Post
    They're fine with a stock lift cam and up to #18 springs. I hear they are pretty weak but work for the money. You may need to slot the pushrod guide a little.
    Thank you for your response

  4. #4
    Senior Member DeadPixel's Avatar
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    Are you installing these on a 212 predator? I have a few sets for my 196 biased motors. You need to run guide plates with them and if there stock guide plates then you need to slot them. Most 18lb springs say not to run ratio rockers or hight lift cams. I have 22lb springs in my motor. There the heaviest spring the rocker is recommended for but allow for the extra lift with out coil bind. I have not installed either set that I have yet. Got to wait tell July ��

 

 

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