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Thread: redline rpm help

  1. #1
    Senior Member EXPERT BUILDER
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    redline rpm help

    350 STOCK bottom end with 9.75:1 compression 1.94 1.5 cast heads milled .030 to get the compression ratio up erson 488/488 cam 232/234 duration at .050 280/290 advanced duration 108 lsa Mallory hyfire 6 and Mallory unilight distributor

    what should i cut it off at it at ld like to be on the safe side i was think 6,000 would be alright

    will be in a camaro with th 350 2200 stall stage 2 shift kit and 4.56 gears out back gonna run it 1/4 mile to see what it will do just wondering what you guys think on the rpm's

  2. #2
    Senior Member RACING JUNKIE BEAST477's Avatar
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    You better have some tall tires if you don't want to go over 6,000rpm in the 1/4. :shock:
    BEAST477






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  3. #3
    Senior Member RACING JUNKIE mopar1968's Avatar
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    Well i have 29.5x11.5, with 4.56 gear with small block and i turn around 6600 top end of track :!:


    Mark
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  4. #4
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    there m/t sportsman 29x12.5

    what do think i should cut it off at what will my stock bottom end take

  5. #5
    Senior Member RACING JUNKIE mopar1968's Avatar
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    You will be in the neighborhood of 6800 RPM top end.
    Head's up the true drag race!!

  6. #6
    Senior Member RACING JUNKIE
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    Quote Originally Posted by mopar1968
    You will be in the neighborhood of 6800 RPM top end.
    BOOM

  7. #7
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    ok what i should ask is how many rpm's will my sbc stock bottom end safley take and how far i can push it before it goes boom

  8. #8
    Senior Member RACING JUNKIE mopar1968's Avatar
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    Do you have a high end chip? Rev limit. I really don't think i would push a stock bottom end pased 6000. JMO

    Mark
    Head's up the true drag race!!

  9. #9
    Senior Member RACING JUNKIE
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    my 383 in my vega is all stock on bottom end and a set of alum factory 1.94 vette heads with no work done to them and keith black pistons ... i have 31x14.5 and 456 gears with a glide turning 6900 to 7k in the 1/4 :wink: i cringe everytime i run but she not showing any signs of failure.... still got almost 80 psi of oil pressure
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  10. #10
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    alright i guess im just gonna have to go and see what sounds and feels right when i run it thanks for the help guys


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