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speedometer gear #315406
05/11/09 08:48 PM 05/11/09 08:48 PM
Joined: Aug 2006
Posts: 813
ar.
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bobs69 Offline OP
super stock
bobs69  Offline OP
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ar.
I have 3:55 gears with 275-60-r15 rear tires what trans gear do i need for a 904? Is a 727 the same?

Re: speedometer gear [Re: bobs69] #315407
05/11/09 09:08 PM 05/11/09 09:08 PM
Joined: Jan 2003
Posts: 32,929
Grand Prairie,Texas
stumpy Online content
I Win
stumpy  Online Content
I Win

Joined: Jan 2003
Posts: 32,929
Grand Prairie,Texas
Info you need is here from the tech archives. http://www.moparts.org/Tech/Archive/auto/12.html
Re: speedometer gear [Re: bobs69] #315408
05/12/09 01:32 AM 05/12/09 01:32 AM
Joined: Aug 2007
Posts: 6,095
Valencia, España
NachoRT74 Offline
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Valencia, España
Quote:

I have 3:55 gears with 275-60-r15 rear tires what trans gear do i need for a 904? Is a 727 the same?



33 ( yellow )

yes is the same

With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: speedometer gear [Re: NachoRT74] #315409
05/12/09 09:35 AM 05/12/09 09:35 AM
Joined: Apr 2003
Posts: 3,968
North Riverside IL & Lowell IN
GTXKen Offline
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GTXKen  Offline
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North Riverside IL & Lowell IN
Make sure that the housing that holds the gear is indexed properly
Re: speedometer gear [Re: GTXKen] #315410
05/25/09 03:42 PM 05/25/09 03:42 PM
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Posts: 813
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bobs69 Offline OP
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How do i index it?

Re: speedometer gear [Re: bobs69] #315411
05/25/09 04:10 PM 05/25/09 04:10 PM
Joined: Oct 2005
Posts: 9,065
Milwaukee, WI
In_The_Pink Offline
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In_The_Pink  Offline
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Milwaukee, WI
Quote:

How do i index it?



You rotate the pinion adapter until the tooth range you're using is at the 6 o'clock position, as shown in the attached image.

Mods, can this image/info be added to the speedo pinion gear info in the tech archives, please?

OK, I found the info in the archives, but there's no mention of how to properly position the adapter, so maybe just an edit would help: http://www.moparts.org/Tech/Archive/auto/21.html

Last edited by In_The_Pink; 05/25/09 04:13 PM.
Re: speedometer gear [Re: In_The_Pink] #315412
06/14/10 09:00 AM 06/14/10 09:00 AM
Joined: Jan 2003
Posts: 15,551
Norwich CT USA
moparts Offline
I Live Here
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Posts: 15,551
Norwich CT USA

Tom ,

2011 Ram 3500 C&C Diesel
2009 Challenger R/T
1971 Challenger Conv. 511/4 speed
1970 Challenger R/T 503/727

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