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Thread: HOW TO bolt 1999 6.0 with cast iron heads to a 4l60e

  1. #1
    Join Date
    Nov 2011
    Location
    NH
    Posts
    109

    HOW TO bolt 1999 6.0 with cast iron heads to a 4l60e

    i got a 6.0 and im swapping it to my 1500. and i noticed when i was about to put it in the crank stuck out more. and with the flexplate off the 5.3 wont have the right offset... is it possible to put this motor to a 4l60e or do i need a 80?? THANKS GUYS

  2. #2
    Join Date
    Dec 2007
    Location
    Ponca City
    Posts
    1,617
    Use the flat flywheel on the 6.0. Redo the converter bolt holes to match the 3 bolt pattern of your 60e converter
    Slowest in Oklahoma...

  3. #3
    Join Date
    Dec 2009
    Location
    houston tx
    Posts
    200
    and please do yourself a favor and get rid of those awful iron heads!!! they weigh about 70 lbs each!!!!

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