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Thread: Engine Size

  1. 08-17-2008, 09:24 PM #1
    Mowparman
    Olds 455 bored .060 over, so what cu.in. is it now?
    Thanks
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  2. 08-18-2008, 05:42 AM #2
    SleekcraftHouston
    Mowparman, By my calculations...it would be 484 cubic inches (assuming that your stroke hasn't changed).
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  3. 08-18-2008, 09:54 AM #3
    ck7684
    Wouldnt it be close to 468? Thats what a 454 is...I didnt do the math though...
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  4. 08-18-2008, 10:08 AM #4
    SleekcraftHouston
    From my research, the bore is similar. The 455 had a 0.25" longer stroke than the 454.
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  5. 08-18-2008, 04:28 PM #5
    obnoxious001
    Not being an Oldsmobile kind of guy, I had to look it up, std bore is 4.126" x 4.25" stroke, so .060" over 4.186" bore and 4.25" stroke would give 467.9 cu in,, looks pretty darn close to 468 to me.
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  6. 08-18-2008, 08:48 PM #6
    Mowparman
    Thanks Guys, I'll just call it a 468 Olds then.
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