1987 YJ engine swap - JeepForum.com
 
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post #1 of 2 Old 08-04-2013, 04:11 AM Thread Starter
jtv135
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1987 YJ Wrangler 
 
Join Date: Aug 2013
Location: vance
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1987 YJ engine swap

Currently have a stock 1987 YJ 4.2 inline 6. There isn't anything wrong with my in6 I would just like something that will do a bit better on the highway. I offroad a lot mud, water, rocks pretty much anything I can get into. But at the same time maybe once a month I make about a 350mile trip with most of the miles on the interstate. I want to stay with an AMC engine if I can find one. Not the best mechanic but with some points in the right direction I can handle it. So what I am needing is advice on if I should go bigger or mod my 258. Also on a transmission and anything else I would need to swap.

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post #2 of 2 Old 08-04-2013, 09:55 AM
cruiser54
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1990 MJ Comanche 
 
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Check out Clifford Research. Keep the 258. Change the ignition to HEI or a better Ford system.

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