Re: 65 small block 727 question...
[Re: abodyjoe]
#2040856
03/29/16 12:15 AM
03/29/16 12:15 AM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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up yours
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Talk to a local shop about getting a custom TC made. I had one done for a 78 400 in front of a 64 727 years ago. You can get it with the 360 imbalance weights if needed.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: 65 small block 727 question...
[Re: Supercuda]
#2040861
03/29/16 12:24 AM
03/29/16 12:24 AM
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Joined: Jan 2003
Posts: 11,081 Berlin, N.J.
abodyjoe
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Talk to a local shop about getting a custom TC made. I had one done for a 78 400 in front of a 64 727 years ago. You can get it with the 360 imbalance weights if needed. hmmm.. good idea.. thanks
It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt. www.MoparMisfits.com
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Re: 65 small block 727 question...
[Re: abodyjoe]
#2040965
03/29/16 03:15 AM
03/29/16 03:15 AM
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Joined: Jan 2003
Posts: 25,988 Rio Linda, CA
John_Kunkel
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Rio Linda, CA
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wonder if i can convert the older trans to accept the newer converter? Yes, it's done often. You need a later input shaft and reaction shaft support. In the long run it's the best way to go, avoids having to shop for an orphan converter.
The INTERNET, the MISinformation superhighway
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Re: 65 small block 727 question...
[Re: John_Kunkel]
#2040995
03/29/16 08:53 AM
03/29/16 08:53 AM
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Joined: Jan 2003
Posts: 11,081 Berlin, N.J.
abodyjoe
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wonder if i can convert the older trans to accept the newer converter? Yes, it's done often. You need a later input shaft and reaction shaft support. In the long run it's the best way to go, avoids having to shop for an orphan converter. ok cool.. o i have a few parts transmissions laying around so thats a great option..
It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt. www.MoparMisfits.com
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Re: 65 small block 727 question...
[Re: Andrewh]
#2040996
03/29/16 08:55 AM
03/29/16 08:55 AM
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Joined: Jan 2003
Posts: 11,081 Berlin, N.J.
abodyjoe
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I don't know about a 360, but the magnum 5.9 bolted on and ran just fine. I used the b&m flex plate, that was designed to balance instead of adding weights to the conveter.
been running it for a while now. There was 1 hole that didn't line up and the brace on one side wouldn't bolt up either. but most people seem to leave that off anyway. the converter hub was the same size? i'm not worried about the balance.. i have a b&m flex plate laying around already .
It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt. www.MoparMisfits.com
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Re: 65 small block 727 question...
[Re: killersix]
#2041021
03/29/16 10:08 AM
03/29/16 10:08 AM
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Joined: Jan 2003
Posts: 11,081 Berlin, N.J.
abodyjoe
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The slant six is the one with the conv. hub change that you are thinking of. ok... so its just the spline count then?
It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt. www.MoparMisfits.com
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Re: 65 small block 727 question...
[Re: abodyjoe]
#2041205
03/29/16 02:56 PM
03/29/16 02:56 PM
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Joined: Mar 2008
Posts: 9,550 Sacramento CA
Morty426
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Sacramento CA
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The slant six is the one with the conv. hub change that you are thinking of. ok... so its just the spline count then? If have a parts transmission you should change the input shaft assembly. That is what I am doing for a 65 BB tranny right now.
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Re: 65 small block 727 question...
[Re: John_Kunkel]
#2041212
03/29/16 03:09 PM
03/29/16 03:09 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Lincoln Nebraska
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wonder if i can convert the older trans to accept the newer converter? Yes, it's done often. You need a later input shaft and reaction shaft support. In the long run it's the best way to go, avoids having to shop for an orphan converter. that's what I would do & then you could could use any later 727 converter & if it ain't a 360 (ext balanced) converter, you already have the B&M conversion flexplate in hand to match it to the ext balanced 360 eng.
live every 24 hour block of time like it's your last day on earth
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Re: 65 small block 727 question...
[Re: Andrewh]
#2041772
03/30/16 10:56 AM
03/30/16 10:56 AM
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Joined: Sep 2003
Posts: 19,624 north of coder
moparx
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"Butt Crack Bob"
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I kept the 65 transmission and converter. But I might not understand what you are talking about. it was behind a poly 318, and I just used the b&m flex plate. no issues for the last 7 or 8 years. the combo you are using is perfectly ok, and you can expect no problems to arise. what the benefit of changing to the later model pump parts is when you are shopping for, or need a converter that is, or has very different characteristics than your stock 1965 converter. the early [65 & earlier] converters are hard to find and much more expensive in a performance, high stall speed, design than the later converters are, hence the pump changes to take advantage of the vastly different, superior, and much cheaper converter offerings. hope this clears up the understanding of the reason to swap to later parts.
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Re: 65 small block 727 question...
[Re: killersix]
#2042147
03/30/16 06:24 PM
03/30/16 06:24 PM
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Joined: Jan 2003
Posts: 25,988 Rio Linda, CA
John_Kunkel
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The slant six is the one with the conv. hub change that you are thinking of. And the early 273. (pre-'68)
The INTERNET, the MISinformation superhighway
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Re: 65 small block 727 question...
[Re: abodyjoe]
#2042411
03/31/16 12:37 AM
03/31/16 12:37 AM
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Joined: May 2008
Posts: 5,399 Aurora, Colorado
451Mopar
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Aurora, Colorado
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The input shaft spline count changed around '66-67 I think you can install a later year input shaft in the trans and use the more common '67 and up torque converters. The 360 balance issue can be handled with the special B&M flexplate or a correctly counterbalanced torque converter. The older 360 and Magnum 360 used different counterbalance weights.
Call John Cope at Cope racing transmissions to verify compatibility.
I think (been awhile) that the 340/360 motor mount ears on the drivers side are about 1/2" further back (or forward) from the 318, and the drivers side boss for the lower engine to trans strut is forward a but requiring a spacer and longer bolt. I think on my truck I just ended up having one of the motor mounts turned sideways to make up the difference? That was back around 1980, so getting hard to remember.
Last edited by 451Mopar; 03/31/16 12:43 AM.
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