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Thread: roller lifters vs plain solid

  1. #1

    roller lifters vs plain solid

    what will produce more hp? sbc 350, 30 over. a roller cam or plain solid lifter cam?

  2. #2
    Senior Member RACING JUNKIE jmarksdragster's Avatar
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    Roller
    Mark Whitener
    http://racingfuelsystems.myfunforum.org
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  3. #3
    Administrator RACING JUNKIE bjuice's Avatar
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    Bjuice..

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  4. #4
    But which one will produce most hp / $

  5. #5
    Senior Member RACING JUNKIE
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    Right here my friend, any day of the week.



    Will run with any roller on the market for the money invested.
    JMO

    Zip.

  6. #6
    Senior Member RACING JUNKIE
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    Theres as much increase from a solid to a roller as there is from a hydraulic to a solid lift cam. Its one of the best $$ per HP that you can spend. The reason it is, is because the quicker you can close the intake valve, the more hp youll make. On a solid lift cam, if your ramp speed where as quick as a roller your lifters would fly off the cam. Because you can't put the spring pressure on a solid to keep the lifter on the cam, that you can on a roller. If you did, you would have to much heat lifter to cam and lose a lobe. The roller allows you to have more ramp speed and more spring pressure for more Horsepower.

  7. #7

    cams

    what i should have asked is a hydraulic flat tappit to a solid flat tappit cam? i have a comp cam 292 501 lift and was thinking of going to a solid cam. what are the pro and cons.besides adjusting valve lash?

  8. #8
    Administrator RACING JUNKIE bjuice's Avatar
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    you always stand the chance of floating a valve with hydraulic lifters if your wanting to turn it up (high rpm) as a drag car.....i personally have floated them on the street ( back in the day)..
    if you are going to be seeing more street use then strip then hydraulic roller hands down ( IMO)..If its gonna be drag only ..OR you plan on turning it up (rpm) then go the other way....

    oh yeah..i got a solid flat tappet in a 406ci....about a 520 lift...very quick..lots of bottom end.


    also remember if you go solid flat tappet you need to break in cam the old school way.......( imo)
    Bjuice..

    "I'M YOUR HUCKLEBERRY ! "

  9. #9
    Senior Member RACING JUNKIE curtisreed's Avatar
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    There is no way with the parts available today that I would run anything but a roller in a high performance motor. Street or strip. No worries about oils, breakin, etc. Just my opinion.

    Curtis

  10. #10
    roller will produce most hp and will also give best idle quality, happy holidays


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