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post #1 of (permalink) Old 05-08-2001, 12:41 PM
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727 conversion

My son has a CJ-7 with a 258 six and a t-5 tranny which he wants to swap for a 727 auto tranny.Do the drive shafts have to lenghtened or shortened for this conversion.Also any other tips or tricks would be appreciated.

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post #2 of (permalink) Old 05-08-2001, 12:56 PM
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Re: 727 conversion

I am doing the same thing on an 82 CJ-8 with T-4. I don't know if the T-4 and T-5 are the same length, but the 727 is about 3/4" longer than a T-4 w/bellhousing. So depending on your lift or lack of lift you may or may not need driveshaft mods. I don't think that 3/4" will make that much difference. By the way, if you don't have any lift your front driveshaft will probably hit the tranny pan. It has been recommended that you have at least 4"s of lift, but some have gotten away with less.


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post #3 of (permalink) Old 05-08-2001, 01:11 PM
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Re: 727 conversion

T4 and 5 are identical.

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post #4 of (permalink) Old 05-08-2001, 03:15 PM
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Re: 727 conversion

more then likely shortened in the rear.... get a cable type shifter and you'll save yourself some big headaches. They are easy to install and fun to use. For example like a B&M megashifter. I have one and its very smooth

post #5 of (permalink) Old 05-08-2001, 06:41 PM
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Re: 727 conversion

i have a 727 behind a 360 in an 83 with a 2.5" lift and i clear the pan by about 1.5" and the drive shafts length is perfect.

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