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Unread 12-03-2013, 07:00 PM   #1
Gobbler770
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Join Date: Dec 2013
Posts: 1
83 CJ engine upgrade

I have an 83 CJ with straight 4 GM 151. I want to upgrade to a V6 Is there an easy replacement engine that will require little to no modification to the bell housing or Tranny?

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Unread 12-04-2013, 01:35 PM   #2
dirtdudeaz
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1983 CJ7 
 
Join Date: Jan 2013
Location: Lake Stevens, Washington
Posts: 343
Which transmission do you have?

The CJ forum has a lot of info on these. Do a simple 151 swap search and a bunch of info will pop up. Also Novak http://www.novak-adapt.com/index.htm has a lot of info as well. Pretty much any swap will require some change to drivetrain somewhere. If you have a weak transmission to start with (sr4 for example) keeping that would be silly after spending the effort to change the engine. I believe if you go to a GM motor you can still use your bellhousing.
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