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Old 08-07-2008, 06:48   #1 (permalink)
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Join Date: Jun 2007
Location: Oklahoma City
Posts: 12
torque converter

hey guys. I have a 64 galaxie with a c6 and a 390fe. I was wondering what stall speed of torque converter I need. I cant seem to keep it running a low RPM with the current converter. I mechanic down here said I need a stall.
Cam (hydraulic)
intake @ 050 240
exhaust @ 050 246
intake duration 284
exhaust duration 296
intake lift 0.584 in.
exhaust lift 0.588 in.
2.090 intake valves
1.65 exhaust valves
intake ports 1.4 X 2.34 in.
bull bowl grinding and hardened exhaust seats
Eldebrock performer RPM with gasket matched porting
and a 750 cfm carb
custom tri-y headers
3 in. duals (flowmaster)

If there is any more info I need to post please let me know.

1964 Ford Galaxie 500XL
2000 Lincoln LS V8
2004 Nissan Sentra (wifes)
1956 Chevorlet Nomad (Current Project)
1972 Chevorlet Chevelle (Almost Finished)
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Old 08-17-2008, 08:21   #2 (permalink)
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Join Date: Jun 2008
Location: Prior Lake, MN
Age: 53
Posts: 19
Smile Re: torque converter

Hi, I would go down to a reputable transmission shop and ask. If you find a shop that works on classic's and muscle cars, I think you will get the right answer. I like Master Transmission, unfortunately I don't know if you have them in Oklahoma. Another benefit is they have books and should be able to look up a similar combination on a similarly equipped car. You need a really knowledgable transmission man. I hope that helps. Sorry I don't have the answer. Let me know what you find out.
1969 Torino Talladega, 1979 Ranchero (street rod)
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Old 08-17-2008, 10:37   #3 (permalink)
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Join Date: Jan 2007
Location: New Mexico
Posts: 277
Re: torque converter

Hey Jonathan, Choosing the right converter is is always a mystery until you get it right. It's nice to have a dyno run engine to know where the highest torque is and at what RPM. From that you can start seching for the right converter, and as you modify the engine with a bigger cam and air/fuel delivery and gear ratio it's easier to find the converter that you need for your application, that's why knowing what your engine output is, is a very good way of knowing where to start.

Below are some sites that might help you...
The last site is the TCI site where you can purchase a T/C. there are other compainies but they are very reputable.

The Right Stall: Tips On Selecting Torque Converters -
How to Select the Right Torque Converter - Car Craft Magazine
Selecting a Torque Converter

TCI - Performance Transmissions and Torque Converters
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