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Old 07-19-2007, 05:27 PM   #1
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4 cyl. or 6cyl. ??

is there any difference in the drivetrain on a 97 jeep with a 4 cyl. or 6 cyl. other than gears?
i am think of buying one with a 4 cyl. and puting a 350 in it. anybody try to use the stock transfer case. or does it take a shit right of the bat?any other info would be great.

thanks shawn

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Old 07-19-2007, 06:18 PM   #2
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well... for one, I am almost 95% sure that all 4 cyl. came with the d30 fron d35 rear axles... which you will DEFINITELY want to upgrade if you are to drop in a SBC. Transmission will probably want to be changed too...

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Old 07-19-2007, 08:02 PM   #3
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it seems like you want to upgrade stuff so i would get a 4 cyl. they are less exensive, youll have to upgrade the tranny anyway, and you can put in a ford 8.8 for a round 700-1000 whihc i stronger than the D44 anyway
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Old 07-19-2007, 10:29 PM   #4
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can you run the stock transfer case out of the jeep?is the 8.8 what is in the ford explorers?
thanks shawn
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Old 07-19-2007, 10:55 PM   #5
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Quote:
Originally Posted by shawn calvin View Post
can you run the stock transfer case out of the jeep?is the 8.8 what is in the ford explorers?
thanks shawn
Yeah ford explorers have the 8.8

The transfercase in TJ's is a NP-231 - Chrysler uses these in v8 applications (Dodge Ram 1500s and such) so I would think it would be ok. Just make sure you put in a bigger input shaft and I would recommend a wide chain upgrade. If you're gonna shorten the rear drive shaft ANY, or lift the jeep any - with the extra power an SYE is a MUST.
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Old 07-19-2007, 11:03 PM   #6
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what is a [sye]? and yes it will get lifted 5" with 35" tires
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Old 07-19-2007, 11:14 PM   #7
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Slip Yoke Eliminator - it changes the slip yoke driveshaft on the rear of the Jeep and replaces it with a double cardon (aka CV) style shaft. It lengthens the shaft a few inches, and the CV joint allows for much harsher angles. The output shaft is upgraded as well to a heavier unit (unless you do a hack and tap).

A SYE reduces driveline angles, driveline vibes (which WILL kill your pinion and output shaft bearings if ignored, and can crack your t-case), and beefs up the overall assy from the output shaft on back to the pinion yoke.

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