Re: Measuring my driveshaft and confused..
[Re: TMBOOTS]
#2486363
04/22/18 12:32 PM
04/22/18 12:32 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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You mean it is bottoming out solid into the trans but there is still some length left (like it should go in there further)? Different yokes have different lengths so I think you are good here. As you know have the rear suspension loaded before you take your measurement & if needed this'd be a good time to check angles.
live every 24 hour block of time like it's your last day on earth
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Re: Measuring my driveshaft and confused..
[Re: TMBOOTS]
#2486419
04/22/18 02:50 PM
04/22/18 02:50 PM
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Joined: Feb 2003
Posts: 18,582 Rust Belt, SW PA
Silver70
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 18,582
Rust Belt, SW PA
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There are other ways to order one also... some places want the length from the end of the output shaft. I just push it in all the way til it pushes the seal and then back out 3/4".
68 Road Runner, 69 Belvedere, 71 Challenger Vert 340 barracuda, 01 Ram CTD, 95 Ram, 04 Ram, 85 Daytona turbo Z 66 GTO, 06 Magnum RT AWD. 07 Ram CTD, 07 Ram
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Re: Measuring my driveshaft and confused..
[Re: TMBOOTS]
#2486426
04/22/18 03:07 PM
04/22/18 03:07 PM
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Joined: Aug 2003
Posts: 43,096 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,096
Bend,OR USA
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What year is your Dart and does it have the A body NP833 trans in it? I have a 1969 Dart GTS original 383 4 speed car that I have two original drive shafts for, one is for the 7260 pinion yoke and the other is for the 7290 yoke. I've had a lot of drive shafts shorten for some of my old street and strip cars, push the tranny yoke in all the way until it is bottomed out on the output shaft on the tranny,(that will probably push, crush the seal up some, no big deal on that ) then slide it back towards the rear end 3/4 of inch with suspension loaded like it would be on the road. Use the center of the U joint on the tranny yoke to the center of the pinion yoke for your drive shaft length
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Measuring my driveshaft and confused..
[Re: TMBOOTS]
#2486470
04/22/18 05:40 PM
04/22/18 05:40 PM
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Joined: Jan 2003
Posts: 25,726 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,726
Rio Linda, CA
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The 3/4"-1.0" from bottom is an old rule of thumb, not gospel.
The factory shows the position as 3 3/4" from the end of the tail housing to the center of the u-joint with the car at curb height. This allows clearance for the seal dust boot if used.
The INTERNET, the MISinformation superhighway
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Re: Measuring my driveshaft and confused..
[Re: TMBOOTS]
#2486488
04/22/18 06:35 PM
04/22/18 06:35 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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The end where the U-joint is bottoms (hits the seal) and the front of the yoke doesn't make contact with anything.. I will defer to others for the final word on this but I think you are OK.
live every 24 hour block of time like it's your last day on earth
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Re: Measuring my driveshaft and confused..
[Re: TMBOOTS]
#2486543
04/22/18 08:56 PM
04/22/18 08:56 PM
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Joined: Dec 2004
Posts: 10,551 Rittman Ohio
fourgearsavoy
I Live Here
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I Live Here
Joined: Dec 2004
Posts: 10,551
Rittman Ohio
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I would just use the PDF sheet from Doctordiff and measure it correctly and then go ahead and order it from him. You will not get a better shaft for the money Gus
64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60
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Re: Measuring my driveshaft and confused..
[Re: fourgearsavoy]
#2486712
04/23/18 05:17 AM
04/23/18 05:17 AM
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Joined: Aug 2003
Posts: 8,779 Mt.Gilead, Ohio
OhioMopar
master
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master
Joined: Aug 2003
Posts: 8,779
Mt.Gilead, Ohio
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I would just use the PDF sheet from Doctordiff and measure it correctly and then go ahead and order it from him. You will not get a better shaft for the money Gus I'm about to order my second one from the good Doctor.
1969 Dart GTS 340 1969 Super Bee X9 N-96 1969 Coronet R/T X9 N-96 2015 Dodge Dart GT 2019 Ram 2500 Big Horn. Looking for the original block for my Bee. The last 4 are 7449
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