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Clutch ?'s

4-Speed question on clutch?

mopower440
Moparts Member
Posts: 1470
From: capel hill, tn
Registered: Apr 2001
posted 05-05-2002 10:14 AM

ok, my friend bought a 1966 coronet with original 361BB and 4-speed a few years back, this was back before we knew anything about mopars, so he gets it and the clutch goes out on it, a neighbor man looks under the hood and says its a 440, so we go to the parts house and get a clutch for it and we told the partsman it had a 440 4-speed, he gives us the clutch and we go home, well, it turns out the clutch wouldnt fit, i cant remember if it was the spline count or what, but it wouldnt work, in the mean time, i ran the numbers on the block and it did have a 361BB, not a 440, so, now we want to get the car going again, my question is, how many different style clutches did mopar use behind there big block cars? i heard there are only 2 different ones, is this correct??
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Brian_wo
Moparts Member
Posts: 10564
From: Omaha Nebraska wo23dodge@cox.net
Registered: Nov 1999
posted 05-05-2002 10:49 AM

for the most part you need to know if you have a 10 or 11 inch flywheel and if it's an 18 or 23 spline tranny.
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mopower440
Moparts Member
Posts: 1470
From: capel hill, tn
Registered: Apr 2001
posted 05-05-2002 11:06 AM

will the clutch measure either 10 1/2 or 11" exactly with a ruler or is there another way you have to determine wether its a 10 1/2 or 11?
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Scott Smith
Moparts Member
Posts: 1946
From: Clearfield, Utah
Registered: Mar 2002
posted 05-05-2002 11:15 AM

The outside center hole-to-hole - 15.50" on a 10.50"
The outside center hole-to-hole - 15.75" on 11.00"

Your car probably has a 10.50" bell housing and a 23 spline trans input shaft. Most early 440's used the 11.00" and an 18 spline trans. which is probably why yours won't fit.

*Get me the casting number off your bell housing and I'll tell you what it is.
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4speeds4me
Moparts Member
Posts: 2339
From: Sicamous, B.C., CANADA
Registered: Sep 2001
posted 05-05-2002 12:04 PM

I'll second Scott. It should be a 10.5" w/23 spline disc. Is it apart? If it is measure the old disc and count the splines if that's what it comes down to.
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