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Thread: chevy 350 estimated hores power

  1. #1
    Senior Member EXPERT BUILDER
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    chevy 350 estimated hores power

    oh i am building a 350 with 9.5:1 compression 1.94 1.5 heads edelbrok torquer intake holley 750 and a summit racing cam 292/292 488/88 im hoping to end up with around 350 at the fw what do you guys think??
    what about 2.02 1.6 head are they good for strret use or should i stick with the 1.94 any other things i can do to squeez a few more h.p out of it??
    thanks logan

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    Senior Member RACING JUNKIE
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    go with 2.02 motor will breath better
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    Sam Wood

  3. #3
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    i know but i was talking to a guy that builds the engines for cars at our local short track and he thinks i would be ok with 1.94 for street use he thinks 2.02 are for more strip car rather than street

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    Senior Member RACING JUNKIE BEAST477's Avatar
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    The 1.94's are better for the street. You won't see any gain unless you'll be above 6500rpm most of the time. I'll bet that cam and your springs are done by then anyhow.
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  5. #5
    Senior Member RACING JUNKIE
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    my issue with 1.94 heads is they dont breath well and 2.02 heads were stock on lost of 350 motors destined for street from factory but maybe just me
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    Sam Wood

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    Senior Member DYNO OPERATOR
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    290HP

  7. #7
    Senior Member RACING JUNKIE BEAST477's Avatar
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    Quote Originally Posted by dragonmaster093
    my issue with 1.94 heads is they dont breath well and 2.02 heads were stock on lost of 350 motors destined for street from factory but maybe just me
    The only ones I can think of are the LT-1's that came in Z-28's and Corvettes in the early '70's that had solid lifter cams and some compression.
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  8. #8
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    462624.....75-86...350/400......76cc chamber, 1.72/1.5, 1.94/1.5 or 2.02/1.6 valves
    330545.....73......350..........76cc chamber, 2.02/1.60
    333881.....74-75...350..........76cc chamber, 2.02/1.60
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    Sam Wood

  9. #9
    Senior Member RACING JUNKIE BEAST477's Avatar
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    Quote Originally Posted by dragonmaster093
    462624.....75-86...350/400......76cc chamber, 1.72/1.5, 1.94/1.5 or 2.02/1.6 valves
    330545.....73......350..........76cc chamber, 2.02/1.60
    333881.....74-75...350..........76cc chamber, 2.02/1.60
    Sam, refresh my memory. What vehicles had these engines with these heads. I am getting old and forgetful. But those years all seem to be smog engines that were lucky to make much over 200hp.
    BEAST477






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  10. #10
    Senior Member RACING JUNKIE
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