Re: 4 speed conversion
[Re: Kippy]
#2804889
08/04/20 09:19 AM
08/04/20 09:19 AM
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Joined: Dec 2004
Posts: 10,554 Rittman Ohio
fourgearsavoy
I Live Here
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I Live Here
Joined: Dec 2004
Posts: 10,554
Rittman Ohio
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Has anyone done a 4 speed conversion on a B body? Im getting ready to start mine and have gotten everything. needed. Any advise would be appreciated Just take your time and make sure all your parts are correct before you try to install them, dial your bellhousing in , make sure your crank is drilled deep enough for your input pilot, assemble and adjust your shifter on the transmission to get the basic adjustments before you stab it in the car. Also call a friend with 4-speed expertise to help with the possible problems that sometimes arise with a swap like this Gus
Last edited by fourgearsavoy; 08/04/20 09:24 AM.
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: 4 speed conversion
[Re: Kippy]
#2804954
08/04/20 11:03 AM
08/04/20 11:03 AM
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Joined: Sep 2007
Posts: 1,890 Spahn Ranch
RMCHRGR
top fuel
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top fuel
Joined: Sep 2007
Posts: 1,890
Spahn Ranch
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I just did it in my '68 Coronet. I am using a hydraulic throw out bearing so I dispensed with all the mechanical linkage though that type does require setting up a pedal-actuated master cylinder.
So first order of business is to find out is whether your crank is drilled for a pilot bushing. Beyond that, obviously you need a working transmission with the correct tailhousing that fits your application, the aforementioned pilot bushing or bearing, application-specific clutch/brake pedal, clutch rod, bellhousing and inspection cover, clutch of choice to match the bell size or vice versa, flywheel, bolts, throw-out bearing, clutch fork and boot, z-bar attachment to the frame, pivot and associated linkage, shifter, floor hump, (weld, rivet or glue it then seam seal the edge) shifter boot, bezel, neutral safety or back-up lamp switch, speedo gear retainer with new o ring and appropriate gear, clutch alignment tool and something to hold the back of the motor up while the trans is out. Drive shaft should be the same unless the rear end is also being switched. Probably a good time to check the rear trans mount and replace it if necessary. Your automatic carpet may work but I'm not sure on that. Don't forget to fill the unit with your lube of choice before you run it.
Proper set up includes measuring bellhousing run-out so you will need a dial indicator to check that. If it's way off you might need offset dowels.
Last edited by RMCHRGR; 08/04/20 11:09 AM. Reason: dowels
'71 Duster '17 Ram 1500
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Re: 4 speed conversion
[Re: RMCHRGR]
#2805090
08/04/20 04:07 PM
08/04/20 04:07 PM
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Joined: Jun 2018
Posts: 350 Mequon, WI
gzig5
enthusiast
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enthusiast
Joined: Jun 2018
Posts: 350
Mequon, WI
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I just did it in my '68 Coronet. I am using a hydraulic throw out bearing so I dispensed with all the mechanical linkage though that type does require setting up a pedal-actuated master cylinder.
Which bearing kit did you use and are you happy with it? I'm leaning towards hydraulic. Either a cobbled slave system or true hyd throw out.
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Re: 4 speed conversion
[Re: gzig5]
#2806313
08/07/20 09:12 PM
08/07/20 09:12 PM
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Joined: Sep 2007
Posts: 1,890 Spahn Ranch
RMCHRGR
top fuel
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top fuel
Joined: Sep 2007
Posts: 1,890
Spahn Ranch
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I just did it in my '68 Coronet. I am using a hydraulic throw out bearing so I dispensed with all the mechanical linkage though that type does require setting up a pedal-actuated master cylinder.
Which bearing kit did you use and are you happy with it? I'm leaning towards hydraulic. Either a cobbled slave system or true hyd throw out. I went with the American Powertrain kit. The car is not running right now so I can’t say what its like yet. An over-center spring is not needed with a hydraulic T.O. bearing so in theory it should be relatively easy pedal effort? Basically the main reason I chose to go the hydraulic route was because I didn't want to deal with the linkage. Thats really it. Setting up the T.O. bearing took a little trial and error but it was not a huge deal. As with anything if you install the part with care and drive it as intended then it should work for a long time. I drove a car with a hydraulically-actuated T.O. bearing for almost 135K miles, never had to service it once.
'71 Duster '17 Ram 1500
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Re: 4 speed conversion
[Re: RMCHRGR]
#2806896
08/09/20 02:56 PM
08/09/20 02:56 PM
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Joined: Jan 2004
Posts: 1,468 N.Y.
sixpacksteve
pro stock
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pro stock
Joined: Jan 2004
Posts: 1,468
N.Y.
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really can't explain the bleeding process, but can do it for awhile with no pedal, walk away 1/2 hour later come back and its perfect. this happened several times
Hell Hath No Fury Like Mine
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