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Thread: New pushrods for BBC

  1. #1

    New pushrods for BBC

    Hi,

    what kind of pushrods you recommend? Bracket race BBC, 3/8" thick max (for existing guide plates), 7200rpm max, 200+ lbs at the seat, 700 open of valve pressure. I need to measure the lenght first, but I'm looking for general recommandations please.

    Chromemoly with heat treating and 0.080" wall thickness should handle it? Comp cams, Manley, Crane or what?

    thanks,

    Mikko

  2. #2
    Senior Member RACING JUNKIE
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    I used comp cams HI-Tech one piece units on my BBC race motor.

    They sell them indiviually and in a vast array of lenghts so you can get your rocker arm geometry as close as possible.

    They were priced good too.
    ***IN GOD WE TRUST***

  3. #3
    Senior Member RACING JUNKIE
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    Call Manton...maybe he can make you some 3/8 that are heavier than .080 because you need 7/16 pushrods with your set up.

    Comp Crane Manley etc don't make their pushrods...I think TREND makes many of them and just etches their name on them...They are good pushrods but bigger would be better.

  4. #4
    Senior Member MASTER BUILDER
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    Call Terry at Manton. They offer 5 different series of pushrods and he can make you a set with .120 or .145 wall 3/8ths pushrods and he is reasonable on his pushrod prices.
    I bought a set of 24 degree heads from RFD and Curtis had mentioned to call him for a set of pushrods. I ended up with the Series 5 (.120) wall pushrods for non-guideplate use for under $300. Hope this helps.

    http://www.mantonpushrods.com/

  5. #5
    Senior Member RACING JUNKIE
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    Like the others have said, if you can, it would be easier and cheaper in the long run to change the guide plates to 7/16" and use .080 7/16" push rods, stronger and safer on a b/blk.

    JMO

    Zip.

  6. #6
    How much difference is there in .300" taller lifters and "stock" Mark IV BBC lifters. My friend has both of them and he said that the pushrod cup is .100" higher in the .300" lifter, can somebody confirm that?

  7. #7
    Senior Member RACING JUNKIE
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    Manton or Manley
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  8. #8
    Quote Originally Posted by triniemi
    How much difference is there in .300" taller lifters and "stock" Mark IV BBC lifters. My friend has both of them and he said that the pushrod cup is .100" higher in the .300" lifter, can somebody confirm that?
    Anybody?

  9. #9
    Senior Member MASTER BUILDER
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    Maybe find out what kind of lifters he has and contact the tech department there. That way you will know for sure. JMO


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