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Thread: 355 rotating assembly 12.7:1 COMPRESSION? GOOD OR NO GOOD

  1. #1
    Senior Member DYNO OPERATOR
    Join Date
    Mar 2009
    Location
    Booneville,Ms
    Posts
    505

    355 rotating assembly 12.7:1 COMPRESSION? GOOD OR NO GOOD

    http://www.competitionproducts.com/C...info/CA35057D/

    that is the rotating assembly i'm getting and i was wondering if it would be good for a starting out bottom end i am building my first race car and i know the kit is for round track and it won't hold up to NOS and to much Comp. for a blower but i was wondering if it would be a good starting out engine til i can afford a stronger one and how long will it hold up to drag racing conditions?

  2. #2
    Senior Member SENIOR BUILDER
    Join Date
    Nov 2008
    Location
    Phoenix AZ
    Posts
    116
    It's a fine starting point for a budget build. How long it will live is dependent on the horsepower levels, quality of the machine work and assembly of the engine. 500HP and under, a good machinist and perfect assembly practices should bring a few years of service from the engine.

    Better parts than I had 25 years ago when I started building my first race engine. GM crank, Pink rods and heavy TRW slugs that pulled a 3800lb car with a 4 speed to 11.20's all day long.

  3. #3
    Senior Member DYNO OPERATOR
    Join Date
    Mar 2009
    Location
    Booneville,Ms
    Posts
    505
    I'm racing 1/8th mile only and all my machining & assembly is done at the college so it should be done right the instructor has a 79 Z28 runs good but it's a BBC he has but he should have it done right heres his race car and truck look at his truck ugly but fast also a BBC








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