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Thread: 454 specs

  1. #1
    Senior Member EXPERT BUILDER
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    454 specs

    ok im confused ive been told 4.25 is stock and that 4.00 is stock on my 454 which is true
    pray for our soldiers our freedom and rain

  2. #2
    Senior Member SENIOR BUILDER chevynovaman's Avatar
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    4.0 STROKE IS STOCK 454, MY 496 HAS 4.25 STROKE CRANK
    1968 CAMARO 302 4 SPD IN THE ROUGH
    1957 CHEVY FUEL INJECTED LS1 4L60E BEAUTY
    1962 CHEVY II NOVA 496 LETS RACE

  3. #3
    Depends on what it is on the 454. /// 4.25 Bore, 4" stroke.
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  4. #4
    Senior Member EXPERT BUILDER
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    hah see this is my confusion lol
    pray for our soldiers our freedom and rain

  5. #5
    Senior Member RACING JUNKIE
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    yea stock bore is 4.25, crank is 4.00, 4.310 bore w/stock 4.00 crank
    is 468, change the stroke on crank to 4.25 w/4.310 bore u got
    a 496 stomper, for a factory block that is the best and biggest
    bore you want to go with unless you get a merlin, and then
    your car will go....whaaaaaaaaaaa whaaaaaaaaaaaa :wink:

  6. #6
    Senior Member EXPERT BUILDER
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    bore size x bore size x stroke x 6.283=cubes


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