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How to ID a Twin Grip
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fmahannah View Drop Down
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Points: 354 		Post Options Post Options   Thanks (0) Thanks(0)   Quote fmahannah Quote  Post ReplyReply Direct Link To This Post Posted: Nov/25/2010 at 1:11pm
Thanks for the pics guys. Now I know what I wish I had in my Javelin Cry
74 Javelin AKA Ghost
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mchaggis View Drop Down
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Points: 118 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mchaggis Quote  Post ReplyReply Direct Link To This Post Posted: Dec/16/2010 at 6:27pm

Sorry to hijack this thread but to expand this subject a little I want to know where on the housing the stamped letter code is that indicates the gear ratio?
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billd View Drop Down
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Points: 22795 		Post Options Post Options   Thanks (0) Thanks(0)   Quote billd Quote  Post ReplyReply Direct Link To This Post Posted: Dec/16/2010 at 7:25pm
 
Mine has a C code

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70 Donohue 390 View Drop Down
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Points: 2427 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 70 Donohue 390 Quote  Post ReplyReply Direct Link To This Post Posted: Dec/16/2010 at 7:32pm
"Well I'll Be" as Gomer would say. I always thought (and was told) that it was on the flat pad
on the actual housing. I have a spare rear end that has a partial letter stamped on the pad. I'll
have to check the cover. Thanks for that info billd
Ron Akerman

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mchaggis View Drop Down
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Points: 118 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mchaggis Quote  Post ReplyReply Direct Link To This Post Posted: Dec/16/2010 at 8:46pm
I've looked and looked but can't see any marks.  It's a twin grip thats in a 69 Javelin that was one of the Aussie assembled ones and is therefore right hand drive.
 
Just explaining that in case they did things differently in Aussie, however I'd have thought that the diffs would have shipped ex USA assembled.
 
Any other ideas?
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billd View Drop Down
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Points: 22795 		Post Options Post Options   Thanks (0) Thanks(0)   Quote billd Quote  Post ReplyReply Direct Link To This Post Posted: Dec/16/2010 at 10:22pm
Here's the inspection mark on the other flat pad, but the right one had nothing at all, you can see it in the pic below this one with the inspection mark. 
 
 


Edited by billd - Dec/16/2010 at 10:35pm

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madmax View Drop Down
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Points: 241 		Post Options Post Options   Thanks (0) Thanks(0)   Quote madmax Quote  Post ReplyReply Direct Link To This Post Posted: Dec/17/2010 at 9:35am
through the years i have found stamps on the cover and housing. i think it just depended on what they hit that time with the stamp.
usually left side.
 
 
 
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restoration parts and mechanical restoration services

70 amx
1969 rambler wagon aka stabbin wagon
1969 amx racecar, ssamx
1970 trans am javelin
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steeters View Drop Down
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Points: 912 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steeters Quote  Post ReplyReply Direct Link To This Post Posted: Dec/17/2010 at 12:33pm
That's a great picture and explanation.  I've been under my car many times looking for the stamp with no luck.  I'll check the diff cover...I had no idea it could end up there too.  Mysteries of the world - solved.
Steve Teeters - 1970 Javelin SST 390 Ram Air (401/727)- For Sale $10,000
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purple72Gremlin View Drop Down
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Points: 10100 		Post Options Post Options   Thanks (0) Thanks(0)   Quote purple72Gremlin Quote  Post ReplyReply Direct Link To This Post Posted: Dec/17/2010 at 2:09pm
Interesting,  Code on my 79 AMX says 2.87TG, but never have found the code on my Gremlin, and it does not have TG.
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Points: 2735 		Post Options Post Options   Thanks (0) Thanks(0)   Quote whizkidder Quote  Post ReplyReply Direct Link To This Post Posted: Dec/17/2010 at 3:10pm
The code on my '70 is on the left side, but under the diff cover flange, so the cover has to come off to see it.
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