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Thread: Ford (US) 4.2L Crankshaft

  1. #1
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    Exclamation Ford (US) 4.2L Crankshaft

    I know a couple of you are sitting on used ones, or maybe a NOS 4.2L crank. Throw me a PM. Not interested in a China one and must be willing to ship to Ohio.

    Thanks

  2. #2
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    Part number 4L3Z6303AA

  3. #3
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    I saw a 4.2l crank on ebay. I assume its the china one. But had anyone even tried it? Maybe they are just as strong...
    1994 Supercoupe 5spd Custom, first to buy a 2.1L Big Bore Kenne Bell Twin Screw for an SC
    Old numbers on 1.7l AR SC: 415WHP off the bottle-12.2535 @112.18 off the bottle. Best TQ to date 516ft/lbs, New numbers 480whp on dream crusher.
    1990 35th 5spd 2011 Carlisle 1st place class winner. 12.9@108MPH 1.9
    2013 GT/CS 5.0L FRPP 2.3l Whipplecharged family weekend car
    2005 SAAB 9-3 Aero 2.0L TURBO Work Mule

  4. #4
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    Yes there is a ton of em on eBay. I'd like to see if I could get the real deal first. SSM is using the Chinese ones now apparently.

  5. #5
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    Be a test mule Others will follow Ja
    1994 Supercoupe 5spd Custom, first to buy a 2.1L Big Bore Kenne Bell Twin Screw for an SC
    Old numbers on 1.7l AR SC: 415WHP off the bottle-12.2535 @112.18 off the bottle. Best TQ to date 516ft/lbs, New numbers 480whp on dream crusher.
    1990 35th 5spd 2011 Carlisle 1st place class winner. 12.9@108MPH 1.9
    2013 GT/CS 5.0L FRPP 2.3l Whipplecharged family weekend car
    2005 SAAB 9-3 Aero 2.0L TURBO Work Mule

  6. #6
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    Hell no. Hahahaha. David Neibert took good time to find a US 4.2 crank. There has got to be a reason for it, and I don't want to find out.

  7. #7
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    Are you getting long rods too, to make it a 4.3L? Or are you keeping stock sized rods and getting custom pistons?
    1994 Supercoupe 5spd Custom, first to buy a 2.1L Big Bore Kenne Bell Twin Screw for an SC
    Old numbers on 1.7l AR SC: 415WHP off the bottle-12.2535 @112.18 off the bottle. Best TQ to date 516ft/lbs, New numbers 480whp on dream crusher.
    1990 35th 5spd 2011 Carlisle 1st place class winner. 12.9@108MPH 1.9
    2013 GT/CS 5.0L FRPP 2.3l Whipplecharged family weekend car
    2005 SAAB 9-3 Aero 2.0L TURBO Work Mule

  8. #8
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    I trust XR7 with those decisions. If I can't locate a crank in the next week or so I'll just go with a standard 3.8 SCU build that can handle nitrous.

  9. #9
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    Can you still buy them from Ford?

    Thomas

  10. #10
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    Quote Originally Posted by ricardoa1 View Post
    Are you getting long rods too, to make it a 4.3L? Or are you keeping stock sized rods and getting custom pistons?
    4.2 Rod lengths are the same as a 3.8. You have to bore the cylinders .030 over to get the 4.3L.
    You also may want to check out this link. These Mustang guys have been doing this for quite some time. Supercharged also...

    The official 4.2 swap post
    http://8mustang.com/forum/showthread.php?t=92629
    Last edited by rlittlep; 06-15-2010 at 01:21 AM.

  11. #11
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    Quote Originally Posted by Thomas A View Post
    Can you still buy them from Ford?

    Thomas
    Thomas, my understanding is that they have been discontinued for sometime. I have been unable to track one down as of yet that is not the made in china version.

  12. #12
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    Bumpdumpdump

  13. #13
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    Quote Originally Posted by Toms-SC View Post
    I trust XR7 with those decisions. If I can't locate a crank in the next week or so I'll just go with a standard 3.8 SCU build that can handle nitrous.
    Are you following Neibert to the dark side???

    Ken

    93 SC Whipple powered 11.648 @ 119.6
    Twin Turbo, air intercooled..yet to see

  14. #14
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    How can you tell for sure if it is a China or USA version? Part number difference?

    Thomas

  15. #15
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    Quote Originally Posted by Thomas A View Post
    How can you tell for sure if it is a China or USA version? Part number difference?

    Thomas
    If the Chinese cranks had a Ford part #, I'm pretty sure that would be illegal. Not that this stops the Chinese, but still.....
    Quote Originally Posted by Miller View Post
    Ya thats why i tape mine down. People think its bc i dont have a moonroof seal (which is true) but its really to keep my roof from ripping off .
    Email me here.

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