post #1 of Old 04-21-2013, 08:20 PM Thread Starter
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Join Date: Apr 2013
Location: Breckenridge
Posts: 53
Stand alone 4.0 harness for 258

Swapping a 4.0 head onto a 258 and would like to swap the fuel injection in as well. I've done a LOT of searching but no luck.

Basically I'm trying to do this and make it work with a minimal amount of wiring.

Anyone done this? Are there any write-ups out there? What year would be the best for a donor harness?

zx150 is offline  
post #2 of Old 04-21-2013, 09:55 PM
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1990 YJ Wrangler 
Join Date: Jan 2011
Location: Helena
Posts: 4,010
Here's a good one.

build thread: '90 YJ 5.2 magnum MPI, AX15, NP231 SYE, Dana 30 4.56 open/ 8.8 4.56 detriot locker. 1" shackles
2" BL, 4" stretch all on saggy waggy springs.
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