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Torque Converter

March 6 2010 at 4:49 PM
Dan Fayette  (Login dfayette)
from IP address

I just bought a 72 Ford Q Code 351C and the original C6 that was with it. It included the torque converter and the guy claimed it is a 3000 stall. I'm looking for a way to ID the converter to see if it is actually what he claims it is.


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Stuart Anderson
(Login stuart40a)
Forum Moderator

Re: Torque Converter

March 6 2010, 11:22 PM 

The only way is to install it or cut it open.

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(Login allenman)

ID marks

March 7 2010, 7:35 PM 

Can you find any identifying marks? Is the converter natural or painted?
Do you see a number anywhere...

Not going to find a stock 3000 stall converter. Might be aftermarket.

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(no login)

Qcode converter

March 8 2010, 9:18 PM 

The converter is natural, no paint. The only engraving I find is "30" stamped on the transmission side.
I get conflicting remarks about Ford using a 3000 stall converter behind the Cobra-Jet motors, even on the many websites I can get info from. Doesn't seem to be any way to prove it.


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(Login allenman)

Ford stampings

March 8 2010, 10:50 PM 

Should have been a #67 or #69 to be a real CJ converter per the MPC.

Don't worry, there were never any 3000 RPM converters stock from Ford.
Two ways to verify your stall:
1) Cut it open and look -- needs an expert in torque converter design (see our banner sponsor)
2) Put it in the car and do a brake stall per the Ford test sequence.

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(Login scottford351)


March 10 2010, 2:36 AM 

The factory stall converter behind the CJ motor used a smaller bolt pattern than any other 351. I believe the bolt pattern was 9.5 inches (like a pinto converter)give or take a smidge and it used a one of a kind flywheel. The stall speed was more like 2400

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