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Re: I feel like i have a 60hp engine but i have 4.0???? really need help!!!
From my understanding the headers on the 4.0's are prone to cracking. Maybe if water splashed up into your engine bay? If the exhaust gases aren't making it to the o2 sensor, whether from a crack or being loose, the engine will run horrible.
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The poster formerly known as Red93...
'93YJ 4.0HO, 33x12.50r15 Maxxis Mudder Buckshots, 4.5 RE extreme-duty lift w/ 1" BL, 4.11 gears, Aussie locked front, 1in transfer case drop soon to be replaced by SYE/cv shaft, 2 memphis 10's pushed by a memphis pr500, custom bumpers made by me
http://www.myjeepspace.com/wrangl3r93
http://www.tnvjc.org/index.php
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