what size belt for 4.2? - JeepForum.com
 
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post #1 of 5 Old 08-08-2013, 09:49 AM Thread Starter
JMcDonaldKnives
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what size belt for 4.2?

Im removing my AC system on my 89 and cant find a number for a belt without AC. Anyone know the gates number for the serpentine belt for without AC but with power steering?


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post #2 of 5 Old 08-08-2013, 10:05 AM
jbolty
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Best bet is to measure. Verify the correct routing ,run a string around and measure it. The belts part numbers pretty much universally contain the length in inches as part of the number. I difference of an inch is a pretty big amount so you might take more than one try to get it correct.

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post #3 of 5 Old 08-08-2013, 11:33 AM
Michaelgoesrawr
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Quote:
Originally Posted by jbolty
Best bet is to measure. Verify the correct routing ,run a string around and measure it. The belts part numbers pretty much universally contain the length in inches as part of the number. I difference of an inch is a pretty big amount so you might take more than one try to get it correct.
This. It took me several tries to get a belt for mine. Still a little loose

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post #4 of 5 Old 08-08-2013, 05:04 PM Thread Starter
JMcDonaldKnives
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What size did you come up with? And what about a part number? I'm sure someone here has already done it and has the exact right size and the part number for it. After all this is a Jeep and is usually topless lol.

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My Build Threads

1980 CJ7 4.2L T177 D300 D30 AMC20 (under construction)
http://www.jeepforum.com/forum/f8/kn...hread-1387906/
1989 YJ 4.2L T177 NP231 D30 D35 Pro Comp 3" lift 32/1150/15 BFG AT
http://www.jeepforum.com/forum/f12/k...hread-1720362/
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post #5 of 5 Old 10-14-2013, 01:44 PM Thread Starter
JMcDonaldKnives
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I finally got around to looking for a belt that will work. K060750 which is 75 5/8" gates belt but it is a little loose. A 75" wouldnt even go on but i think the magic number might be K060747 which is 75 3/8". Ill try it out later tho unless someone else wants to give it a shot and report back.

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My Build Threads

1980 CJ7 4.2L T177 D300 D30 AMC20 (under construction)
http://www.jeepforum.com/forum/f8/kn...hread-1387906/
1989 YJ 4.2L T177 NP231 D30 D35 Pro Comp 3" lift 32/1150/15 BFG AT
http://www.jeepforum.com/forum/f12/k...hread-1720362/
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