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4:10 geer and speedometer question

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Old Aug 14, 2005 | 03:48 PM
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Default 4:10 geer and speedometer question
How do you set the speedometer if you change the rear in a 6 speed? I am guessing I have to also purchase a programmer, and if so, which one would be best if this is the only reprogramming I need to make?
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Old Aug 14, 2005 | 03:56 PM
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No changes necessary.
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Old Aug 14, 2005 | 04:06 PM
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VSS [vehicle speed sensor] is on the axle, no change necessary unless you change tire diameter...
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Old Aug 14, 2005 | 04:52 PM
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That's great thanks!
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Old Aug 14, 2005 | 06:57 PM
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no programmer needed at all with you manual shift C5'ers (you lucky son-of-a-guns).
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Old Aug 14, 2005 | 07:14 PM
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we are lucky
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Old Aug 15, 2005 | 12:10 AM
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Originally Posted by FRCTony
No changes necessary.
what about with the automatic?
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Old Aug 15, 2005 | 08:56 AM
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Originally Posted by mvvette97
what about with the automatic?
Yep, synchros need to be programmed. Fortunately, I have a M6 so my 4.10s required no programming. Love 'em. Great mod!
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Old Aug 15, 2005 | 11:14 AM
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mvvette97; some of that is answered here:
http://mikemercury.home.att.net/342.htm
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Old Aug 15, 2005 | 12:44 PM
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Anybody from South Florida know where I can get 4:10's or 3:90's installed and do I need to purchase a whole rear or is just getting the ring and pinion an option?
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Old Aug 15, 2005 | 12:48 PM
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Originally Posted by craig04c5
is just getting the ring and pinion an option?
Yes, but you must have it installed by someone who knows the Getrag differential. It is unlike most diffs. Fortunately there is a place in Houston that does this so I took the diff out and brought it to them and then reinstalled it. $250.00 for setting the ring and pinion and an extra $50.00 for putting in both hardened shafts, new clutch pack, billet pinions support and HD pre-load springs.
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Old Aug 15, 2005 | 12:52 PM
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Originally Posted by Cajundude
Fortunately there is a place in Houston that does this so I took the diff out and brought it to them and then reinstalled it. $250.00 for setting the ring and pinion and an extra $50.00 for putting in both hardened shafts, new clutch pack, billet pinions support and HD pre-load springs.
Very fortunate indeed. No place like that around me :
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