Default reverse grind? 

Old 01-24-2010, 08:58 PM   #1
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so i finaly got the motor done and in the jeep lastnight and got to drive it for the first time today ,but reverse seams a little crappy if you put it in gear realy slow it grinds some but if you just put it in it seams ok is the reverse gear a straight cut gear and is this part of the grinding or is it just worn ? other than that i love my first jeep !!!!!!!!

 

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Default Re: reverse grind? 

Old 01-25-2010, 07:17 AM   #2
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What trans? On my T15 in my CJ I just got into the habit of putting it in 1st, then reverse. Also, double clutching helps too...
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Default Re: reverse grind? 

Old 01-25-2010, 07:31 AM   #3
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it is the three speed sorry not sure of the number still learning all the jeep stuff

 

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Default Re: reverse grind? 

Old 01-25-2010, 07:49 AM   #4
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No problem, what year? The T15 was used from 71 - 75. The T150 76 - 79.
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Default Re: reverse grind? 

Old 01-25-2010, 08:24 AM   #5
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man see so much to learn LOL ya it is a 79 cj7 now with a 360 and the three speed also any idea what gear ratio would have been stock in mine or atleast the most common? now that i know every thing seams to work i plan to pull the diff covers this weakend to change fluid and check things but just wondering what should be in it

 

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Default Re: reverse grind? 

Old 01-25-2010, 03:04 PM   #6
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It could be just about anything - probably a 3.31, 3.54 or right around there. Unless you can find the build sheet you never know what was in it, and since you have a 360 - you never know what may have been swapped. There may be a stamping or a tag on the diff also.

When you put the cover, just look for a number like 4313 (3.31 ratio) or 3911 (3.54 ratio). This the number or teeth on the ring gear (43) and the number on the pinion (13).

43 / 13 = 3.31
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Default Re: reverse grind? 

Old 01-26-2010, 11:46 PM   #7
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i have the same grinding unless i put it in first then reverse.
how do you know what tranny you have?? i was told it was a t18 idk tho.,
i do know i have a 4 spd granny 1st, and it looks like it has a pto cover?

 

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