Are both t176 top cover dowel bolts the same dimensions ?? - JeepForum.com
 
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post #1 of 9 Old 01-25-2014, 06:06 PM Thread Starter
agear
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Are both t176 top cover dowel bolts the same dimensions ??

Are both t176 top cover dowel bolts the same dimensions ??


1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.
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post #2 of 9 Old 01-25-2014, 06:16 PM
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Originally Posted by agear View Post
Are both t176 top cover dowel bolts the same dimensions ??
Should be. Why?
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post #3 of 9 Old 01-25-2014, 06:38 PM Thread Starter
agear
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Well after reading that other thread where lumpy grits and john strenk said you need both dowel bolts to keep the top cover aligned or it could make it hard to shift I wanted to do something with mine because I only have one of the dowel bolts and mine is not shifting the greatest. So I took the dowel bolt out of the front hole and tried it in the hole for the back dowel bolt but it won't even go into the top cover hole much if at all. It kinda starts in the hole but it's like a burr is in the way yet I don't see any. I did notice that when you screw the bolt in the front hole the dowel part doesn't go in much until you start turning it. The hole for the dowel part of the bolt and the hole for the threaded part seemed centered in the rear hole so I'm not sure I need to bother. I can get a 27/64 drill bit in all the way but not the bolt. My question is becoming if I can get a 27/64th drill bit through the top cover and into the case do I need to worry about it because it's already aligned ?

1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.
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post #4 of 9 Old 01-25-2014, 06:44 PM Thread Starter
agear
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I tried a 5/16 18 bolt in the back hole but it gets difficult to turn right away-that's another reason I'm asking.

There was a metric bolt in that hole so maybe the hole is cross-threaded and that's why it won't go in. Also I can not get a 7/16 drill bit in the hole.

1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.
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post #5 of 9 Old 01-25-2014, 09:44 PM
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Quote:
Originally Posted by agear View Post
I tried a 5/16 18 bolt in the back hole but it gets difficult to turn right away-that's another reason I'm asking.

There was a metric bolt in that hole so maybe the hole is cross-threaded and that's why it won't go in. Also I can not get a 7/16 drill bit in the hole.
Maybe you need to clean the threads out with a tap. I was able to get a 7/16 drill bit shank in mine, both the shifter cover and trans case, but the fit is very precise so I imagine if you have a little bit of corrosion or a burr, it may not accept it.
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post #6 of 9 Old 01-26-2014, 06:13 PM Thread Starter
agear
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I can clean the threads with a tap its just that it's an open hole so I would have to take the top cover off and put a rag under it to catch the metal shavings

1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.
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post #7 of 9 Old 01-26-2014, 06:24 PM
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You could put a lot of grease on the tap to catch the burrs


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post #8 of 9 Old 01-26-2014, 06:26 PM
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Quote:
Originally Posted by John Strenk View Post
You could put a lot of grease on the tap to catch the burrs
You took the words out of my mouth, John. I did that when cleaning out the spark plug threads on my VW.
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post #9 of 9 Old 01-27-2014, 04:41 AM Thread Starter
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That sounds great

1984 jeep cj7, 258 I6, rebuilt T176,rebuilt Dana 300, amc 20 , dana 30, 4.10's Trac-lok in rear , 4.10's detroit soft locker in dana 30, 2.5 inch bds suspension lift, 1 inch polyurethan body mount lift. Line ex. weber carburetor. factory tach. factory clock ,oem replacement speedomter cluster, and oil pressure gauge, factory volt gauge.
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