4.0 high output - JeepForum.com
 
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post #1 of 3 Old 02-26-2002, 10:36 PM Thread Starter
tufmar
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1998 ZJ 
 
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4.0 high output

Hey guys, i was wondering if there is a difference between the 4.0 high output vs. the regular 4.0 in yj's, thanks


93 YJ - 4.0 2" BDS 1" BL 33's
98 ZJ - 5.2 Limited 2" BB 31's
02 WJ - 4.7 Laredo 242 TC 3" IRO 245/75's
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post #2 of 3 Old 02-27-2002, 02:48 PM
91XJLimited
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The difference in the HO and the regular 4.0 is that there is a larger air intake tube, a bigger cam, and larger (bore) throttle body. I know those for sure, and they may be possibly more.

91 XJ Limited - RE 5.5" XD, 32x9.50 TSL's, 4.0 HO, disconnects, other good stuff

94 ZJ 5.2 Limited - 6.5" Teraflex lift, Clayton Long Arms, disconnects, 37x12.50 SSR's, Hummer Beadlocks, and more good stuff

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post #3 of 3 Old 03-03-2002, 03:02 PM
hamyscj
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The heads are ported differently for better flow also. Hamy.

One Way Up Racing
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