Going roller
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Going roller

  1. #1
    Senior Member fireboat607's Avatar
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    Default Going roller

    Does anyone have an idea of the tallest roller you could put in a BBC W/ 990 heads, 9.8 deck and TRW 2307 pistons (not very deep valve reliefs), and still maintain a safe clearance (valve to piston), I'm losing the solid and going roller, new to this. I'm running a Isky Z-88 now, .650 lift, 315 Duration, 108 LC
    Thanks,
    Chris

    Anyone can pedal a bicycle, can you pedal a flat ???????????????

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  3. #2
    gn7
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    it's not the lift that causes all the problems it's timing. Duration, LSA, LC etc. An early opening intake, or a late closing exhaust is what causes the interference.



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  4. #3
    Senior Member fireboat607's Avatar
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    Default Going roller

    Got any starting spec's for a strong roller that would work. Open shorty Rewarders, tunnel W/850DP's, MSD 6AL, 112 race gas, 18 gears, 11.5 X15 RB prop, Hondo runner, light lay-up.

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    Have the heads been worked? How much rpm for the mill?
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

  7. #5
    Senior Member fireboat607's Avatar
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    Default Going roller

    Heads were cleaned up on intakes, combustion chamber and 2.250 intakes installed

    Anyone can pedal a bicycle, can you pedal a flat ???????????????

  8. #6
    Senior Member fireboat607's Avatar
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    Default Going roller

    Sorry about that, it spun 7600 W/ 18's and 7200 W/22's, thats on a Jones mechanical tach.

    Anyone can pedal a bicycle, can you pedal a flat ???????????????

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