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Old 07-05-2016, 09:27 AM   #1
gmc 2500 4x4
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slip yoke questions 69 gmc 4x4

i have a 69 gmc 4x4 3/4ton and just installed a 4" spring lift. front stock slip is 7" and the rear slip (to center bearing) is 6". what new lengths do i need? and when done should both shafts be balanced? this has the rockwell 221. paul
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Old 07-08-2016, 05:09 AM   #2
andrewmp6
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Re: slip yoke questions 69 gmc 4x4

Are you saying your driveshafts are to short after the lift ?
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Old 07-08-2016, 06:09 AM   #3
gmc 2500 4x4
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Re: slip yoke questions 69 gmc 4x4

no sir, they make the hookup but the splines are not even halfway in the slip joint, and the front wont let me thread on the grease cap. all i see offered are maybe 8'' long. i dont know if the longer ones will be enough. im trying to get an answer from a local place www.dennysdriveshaft.com
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Old 07-08-2016, 07:51 AM   #4
andrewmp6
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Re: slip yoke questions 69 gmc 4x4

Dennys is good he will take care of you.
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