Re: Correct Torque Converter
[Re: jim6346]
#3142295
05/03/23 02:51 PM
05/03/23 02:51 PM
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Joined: Jan 2003
Posts: 14,497
So. Burlington, Vt.
fast68plymouth
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I Live Here
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So. Burlington, Vt.
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You can buy a weighted flex plate that will allow you to use any neutral balance torque converter.
They are offered by B&M and others.
Just be sure to get the correct one for a cast crank 440.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Correct Torque Converter
[Re: fast68plymouth]
#3142299
05/03/23 03:12 PM
05/03/23 03:12 PM
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Joined: Jan 2003
Posts: 25,791
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
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Posts: 25,791
Rio Linda, CA
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All cast crank big blocks take the same external weight.
The INTERNET, the MISinformation superhighway
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Re: Correct Torque Converter
[Re: John_Kunkel]
#3142307
05/03/23 03:37 PM
05/03/23 03:37 PM
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Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
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I think what Dwayne meant was to be sure to get the flexplate for a cast crank big block and not the externally balanced forged crank 440.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Correct Torque Converter
[Re: John_Kunkel]
#3142308
05/03/23 03:38 PM
05/03/23 03:38 PM
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Joined: Feb 2003
Posts: 10,209
Someplace you aren't
SomeCarGuy
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I Live Here
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Posts: 10,209
Someplace you aren't
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I think it was a 50 gram weight, I’d double check what was used by the factory and see about welding that on there before pulling the trans for the special flex plate, which is your only other choice.
I want my fair share
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Re: Correct Torque Converter
[Re: fast68plymouth]
#3142323
05/03/23 04:27 PM
05/03/23 04:27 PM
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Joined: Mar 2003
Posts: 559
Newark Valley, NY
jim6346
OP
mopar
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OP
mopar
Joined: Mar 2003
Posts: 559
Newark Valley, NY
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Thanks everyone. I have to change the torque converter anyway, too high a stall. Looking for something closer to stock for easy cruising  Not sure what to look for aftermarket? Thanks, Jim
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Re: Correct Torque Converter
[Re: jim6346]
#3142347
05/03/23 05:36 PM
05/03/23 05:36 PM
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Joined: Jan 2003
Posts: 14,497
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,497
So. Burlington, Vt.
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If the motor is basically stock, you could use a rebuilt factory 12” unit, like what would have come behind muscle car era 440’s.
If there are some hot rod items involved, particularly a performance cam........ something like a factory high stall 11” might be preferred.
Some of that choice comes down to personal preferences.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Correct Torque Converter
[Re: fast68plymouth]
#3142443
05/04/23 08:40 AM
05/04/23 08:40 AM
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Joined: Jan 2003
Posts: 75,005
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,005
U.S.S.A.
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If the motor is basically stock, you could use a rebuilt factory 12” unit, like what would have come behind muscle car era 440’s.
If there are some hot rod items involved, particularly a performance cam........ something like a factory high stall 11” might be preferred.
Some of that choice comes down to personal preferences. And to make your life easier get the weighted flexplate that will open up your convertor choices.
running up my post count some more .
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Re: Correct Torque Converter
[Re: JohnRR]
#3142461
05/04/23 10:03 AM
05/04/23 10:03 AM
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Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
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If the motor is basically stock, you could use a rebuilt factory 12” unit, like what would have come behind muscle car era 440’s.
If there are some hot rod items involved, particularly a performance cam........ something like a factory high stall 11” might be preferred.
Some of that choice comes down to personal preferences. And to make your life easier get the weighted flexplate that will open up your convertor choices.  B&M 10237 flexplate is what you need if you have a cast crank 440.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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