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Thread: crank shaft question

  1. #1
    Junior Member JOURNEYMAN
    Join Date
    Dec 2007
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    holiday florida
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    26

    crank shaft question

    i have a stock steel crank shaft can i have it machined in to a stroker crank

  2. #2
    Senior Member EXPERT BUILDER
    Join Date
    Nov 2008
    Posts
    263
    no
    u have to buy a crank with a bigger stroke

  3. #3
    Senior Member RACING JUNKIE
    Join Date
    Dec 2008
    Location
    Sugar Hill, GA
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    1,365
    Acutually you can off set grind Chevy cranks for a little more stroke.
    Take a 355 (+.030 350) off set grind it .090 and use small journal rods and you get 364 cubic inches.
    Take a 468 (+.060 454) off set grind it .090 and use small block rod journal and you get 478 cubic inches.
    The down side is special pin placement (compression height) but when we were running class (weight / cubic inches) it was a small advantage that was legal.

  4. #4
    Administrator RACING JUNKIE bjuice's Avatar
    Join Date
    Apr 2003
    Location
    Greenville s.c.
    Posts
    3,239
    Quote Originally Posted by oldandtired
    Acutually you can off set grind Chevy cranks for a little more stroke.
    Take a 355 (+.030 350) off set grind it .090 and use small journal rods and you get 364 cubic inches.
    Take a 468 (+.060 454) off set grind it .090 and use small block rod journal and you get 478 cubic inches.
    The down side is special pin placement (compression height) but when we were running class (weight / cubic inches) it was a small advantage that was legal.

    WOW !..Weight vs CI.....now thats one you haven't heard of in a while.

    to me that was real racing.....and 468ci was considered HUGE MOTORS.


    JUST HOW OLD ARE YOU "OLDANDTIRED"?
    Bjuice..

    "I'M YOUR HUCKLEBERRY ! "

  5. #5
    Senior Member RACING JUNKIE
    Join Date
    Dec 2008
    Location
    Sugar Hill, GA
    Posts
    1,365
    Quote Originally Posted by bjuice
    Quote Originally Posted by oldandtired
    Acutually you can off set grind Chevy cranks for a little more stroke.
    Take a 355 (+.030 350) off set grind it .090 and use small journal rods and you get 364 cubic inches.
    Take a 468 (+.060 454) off set grind it .090 and use small block rod journal and you get 478 cubic inches.
    The down side is special pin placement (compression height) but when we were running class (weight / cubic inches) it was a small advantage that was legal.

    WOW !..Weight vs CI.....now thats one you haven't heard of in a while.

    to me that was real racing.....and 468ci was considered HUGE MOTORS.


    JUST HOW OLD ARE YOU "OLDANDTIRED"?
    PM sent

  6. #6
    Senior Member EXPERT BUILDER
    Join Date
    Jan 2005
    Posts
    336
    with stroker cranks being able to be purchased for as little as a few hundred or so why??? just me maybe


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