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Cutting 4 speed input shaft #535817
11/24/09 08:53 PM
11/24/09 08:53 PM
Joined: Jan 2003
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Indiana
W5Duster436 Offline OP
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W5Duster436  Offline OP
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It appears I am going to have to take off about .500 from my trans input shaft to work with this crank. Is this something that any reputable machine shop should be able to do?


'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
Re: Cutting 4 speed input shaft [Re: W5Duster436] #535818
11/24/09 09:04 PM
11/24/09 09:04 PM
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Muskegon Mi
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dcr Offline
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Muskegon Mi
I have a trans here that looks like it was done with a hacksaw or cut off wheel and beveled with a grinder was in car for many years with no problems but you will need proper pilot bushing I believe there is a p/n in the tech archives and it is still available through mopar

Re: Cutting 4 speed input shaft [Re: dcr] #535819
11/24/09 09:09 PM
11/24/09 09:09 PM
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poplar bluff mo.
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toplescuda Offline
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poplar bluff mo.
i did mine with a grinder tapered back the edges all is good


1970 barracuda convert. 1 of 59
1970 pro street A.A.R. clone (panther pink)
1971 charger
2015 hellcat challenger. Redline red
2014 quad cab 4x4 ram 8 speed hemi
Re: Cutting 4 speed input shaft [Re: W5Duster436] #535820
11/24/09 09:16 PM
11/24/09 09:16 PM
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Chilliwack B.C. Canada
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RUNCHARGER Offline
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Chilliwack B.C. Canada
I chopped my 18 spline off with a cutoff wheel then dressed it with a grinder. You can get bushing BR287 from Napa to make it all work.

Sheldon

Re: Cutting 4 speed input shaft [Re: RUNCHARGER] #535821
11/24/09 09:22 PM
11/24/09 09:22 PM
Joined: Jun 2003
Posts: 3,325
Truckville, the capital of NY
85_Ram_4speed Offline
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Quote:

I chopped my 18 spline off with a cutoff wheel then dressed it with a grinder. You can get bushing BR287 from Napa to make it all work.

Sheldon




Or get the input bearing for a mid-late 90's truck 5 speed (dealer part# 53009180AB). It fits into the crank where the hub of the torque converter normally is. It taps in with a hammer and has a nice roller bearing with a rubber seal lip on it to keep the garbage out. Best thing is, it works great for shortened input shafts as it rides farther back than where the normal bushing rides. Good luck.


Outcast Dodge guy.
Re: Cutting 4 speed input shaft [Re: W5Duster436] #535822
11/24/09 09:28 PM
11/24/09 09:28 PM
Joined: Jan 2003
Posts: 4,084
Indiana
W5Duster436 Offline OP
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Wayne had already given me the correct bushing as my input shaft was worn a bit on the end. Good to go there but just want to make sure a machine shop can cut it without taking the trans apart. I don't trust myself doing it that's for sure..


'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
Re: Cutting 4 speed input shaft [Re: W5Duster436] #535823
11/24/09 09:46 PM
11/24/09 09:46 PM
Joined: Dec 2004
Posts: 10,555
Rittman Ohio
fourgearsavoy Offline
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Rittman Ohio
You can cut it with a cut-off wheel and dress it with an angle grinder when done.No big deal I had to cut my Richmond shaft because the Eagle cranks are not drilled deep enough(mine wasn't anyway)
Gus


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
Re: Cutting 4 speed input shaft [Re: W5Duster436] #535824
11/24/09 09:47 PM
11/24/09 09:47 PM
Joined: Apr 2005
Posts: 12,271
Overpriced Housing Central
RobX4406 Offline
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Overpriced Housing Central
No machine shop required. I've seen some that look like a drunk monkey cut them. Not even close to square and they ran fine.

Just dress/bevel the leading edge and you're fine

Re: Cutting 4 speed input shaft [Re: RobX4406] #535825
11/24/09 10:01 PM
11/24/09 10:01 PM
Joined: Jan 2003
Posts: 4,084
Indiana
W5Duster436 Offline OP
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I may have a drunk monkey around here somewhere.


'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
Re: Cutting 4 speed input shaft [Re: RobX4406] #535826
11/24/09 10:16 PM
11/24/09 10:16 PM
Joined: Sep 2006
Posts: 4,628
Columbus, Ohio
wheelsup68dart Offline
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Quote:

No machine shop required. I've seen some that look like a drunk monkey cut them. Not even close to square and they ran fine.

Just dress/bevel the leading edge and you're fine




Agreed, "hicup" I did my own with cutoff wheel and grinder and all is well, does not need to be scienced out or that precise.

Re: Cutting 4 speed input shaft [Re: wheelsup68dart] #535827
11/26/09 08:38 PM
11/26/09 08:38 PM
Joined: Jan 2003
Posts: 4,084
Indiana
W5Duster436 Offline OP
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Well finally got out in the garage today after downing some turkey and stuck a dowel rod down to the crank and measured. It was exactly 9" to the back of the bellhousing and from the surface of the trans to the tip of the input shaft was a tad over 8 so there is enough space. Just can't figure out what could have been keeping it from going all the way in other than the adapter ring on the trans to fit the larger hole on the lakewood. Went right in the last time though..


'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
Re: Cutting 4 speed input shaft [Re: W5Duster436] #535828
11/27/09 01:39 AM
11/27/09 01:39 AM
Joined: Feb 2005
Posts: 5,207
Menomonee Falls
DemonDust Offline
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Menomonee Falls
Did the clutch maybe move?

I had this happen to me once. I fought and fought with the trans on my chest trying to get it all the way in, it just wouldn't go. Finally after I was so angry I decided to check the alignment...... It was off by a hair...

Trans went right in after that.....


SDG Motorsports
Hellcat Demon and Redeye Supercharger CNC Porting
https://www.sdgmotorsports.com/
Re: Cutting 4 speed input shaft [Re: DemonDust] #535829
11/27/09 11:26 AM
11/27/09 11:26 AM
Joined: Jan 2003
Posts: 4,084
Indiana
W5Duster436 Offline OP
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Indiana
Quote:

Did the clutch maybe move?

I had this happen to me once. I fought and fought with the trans on my chest trying to get it all the way in, it just wouldn't go. Finally after I was so angry I decided to check the alignment...... It was off by a hair...

Trans went right in after that.....




Well I had thought that too but it is only 1/4 - 3/8" from going all the way in. It would have already been through both discs at that point. I am going to check the adapter ring today to make sure the holding washer didn't go over the edge or something silly.


'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100






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