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3 speed vs 4 speed spline count #206889 01/28/09 04:39 PM 01/28/09 04:39 PM
Joined: Mar 2004 Posts: 231 Ct G gts1 OP enthusiast
gts1 OP enthusiast G Joined: Mar 2004 Posts: 231 Ct	Hi Guys looking to do a 4 speed conversion on a 65 dart It currently has a 3 speed on the column is the spline count on the 3 speed 23 also or will I have to change the clutch also will the 4 speed bolt up to the 3 speed bellhousing Car is a 273 2bbl. Thanks

Re: 3 speed vs 4 speed spline count [Re: gts1] #206890 01/28/09 05:09 PM 01/28/09 05:09 PM
Joined: Jul 2003 Posts: 3,464 Back in NJ.... E EWJ master
EWJ master E Joined: Jul 2003 Posts: 3,464 Back in NJ....	The spline count will be the same (23 spline). Ed EastCoast Land Yacht Assoc. 1967 Newport Conv: 440/4 speed 1969 GTX: 440/4 speed, TX9/TX9, A34, N96 1970 Super Bee: 383/4 speed, B5/B7 1970 Coronet RT: 440/4 speed, A34, N96 1970 Coronet RT: 440/auto, A36, N96 1970 Road Runner convertible: 383/4 speed TX9/D6XW 1970 GTX: 440+6/727, A32, N96 2001 Dodge 2500 HO CTD, 6 speed, 4x4 quad cab long bed "The early bird may get the worm, but the 2nd mouse gets the cheese".

Re: 3 speed vs 4 speed spline count [Re: EWJ] #206891 01/28/09 06:04 PM 01/28/09 06:04 PM
Joined: Oct 2005 Posts: 9,065 Milwaukee, WI In_The_Pink master
In_The_Pink master Joined: Oct 2005 Posts: 9,065 Milwaukee, WI	I'm 99% sure the 3-speed bellhousing will not match the 4-speed's (I'm assuming an A-833 here) bolt pattern. You'll need a SB 4-speed BH.

Re: 3 speed vs 4 speed spline count [Re: gts1] #206892 01/28/09 07:50 PM 01/28/09 07:50 PM
Joined: Sep 2008 Posts: 201 Rome, Ga S sbhpcb enthusiast
sbhpcb enthusiast S Joined: Sep 2008 Posts: 201 Rome, Ga	Check to see if the bellhousing has 2 bolt patterns. I know the 70's bellhousings would work with either 3 or 4 speed

Re: 3 speed vs 4 speed spline count [Re: sbhpcb] #206893 01/28/09 07:52 PM 01/28/09 07:52 PM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	Same spline count, same bell housing

Re: 3 speed vs 4 speed spline count [Re: ScottSmith_Harms] #206894 01/28/09 08:01 PM 01/28/09 08:01 PM
A Anonymous Unregistered
Anonymous Unregistered A	Same spline count, but the '66 Valiant 3-speed column shift trans that I have won't bolt up to the 4-speed '66 833 bell housings I have. It probably will bolt to the later dual pattern bell housing with the 3-speed bolt pattern. The only reason I have that trans is to pirate the screws out of it.

Re: 3 speed vs 4 speed spline count #206895 01/28/09 08:09 PM 01/28/09 08:09 PM
Joined: Jan 2003 Posts: 1,798 McGregor,Iowa 52157 5 500ciDuster top fuel
500ciDuster top fuel 5 Joined: Jan 2003 Posts: 1,798 McGregor,Iowa 52157	In or around those years of 273's I've seen a castiron bell with a 3 speed bolt patern with a smaller 10" cltuth.

Re: 3 speed vs 4 speed spline count [Re: 500ciDuster] #206896 01/28/09 09:14 PM 01/28/09 09:14 PM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	I should have added...."For 70 and up 3 speeds"

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