So I installed a 4.0L Airaid
throttle body spacer and the 4.0L throttle body on the jeep today and it went quite well. I followed the instructions on 4bangerjp.com which were helpful. They are here:
http://www.4bangerjp.com/forums/viewtopic.php?t=8
I definitely notice a little bit extra in the power dept. and the idle is smooth as silk now. So for the $120 it cost for both parts so far not bad. Long trip with some wheeling out in the Mojave Desert this weekend so I'll see if I notice it on the windy hills of the Mojave and if there is a fuel efficiency increase.
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---1991 Wrangler, 1\" BL, 31x10.5 Pirelli Scorpion AT\'s, K&N filter, almost stockin\' still rockin\'---