Newbie in need of advice and recipe

Post by **yuppiexj** » October 29th, 2009, 9:33 am

IIRC CA models from 81-
49 state from 87-

87 Wranglers 4.2l were serpertine

Post by **John** » October 29th, 2009, 9:59 am

You do not have to machine the long snout crank down for a serpentine drive, you could also use a spacer as I commonly do.
John

Post by **cjackson3396** » October 29th, 2009, 10:10 am

Would I have to do any machining to the crank...at either end?

Post by **cjackson3396** » October 29th, 2009, 10:35 am

Well just to make things easier lol the 4.2 I have is a 82.

Post by **yuppiexj** » October 29th, 2009, 1:24 pm

does your 1982 4.2 have a serpentine belt drive on it?
If it does you are good to go, if it doesn't you'll need the spacer.
if you only have a bare block and crank you'll have to check casting numbers. (3727 is a serp drive)

you could measure the snout as well.

see the FAQ for more info on casting numbers.
http://www.jeepstrokers.com/forum/viewt ... ?f=34&t=51

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