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Author
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Topic: Torque converter question?
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thumpin cat
Gearhead Posts: 458
From: Santa Barbara, California
Registered: Mar 2002
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posted 05-14-2003 04:06 AM
  
In regard to torque converters when they say the stall of a torque converters is 4200-4500 what is the actual stall?Would you say that the converter is a 4500 stall converter? please let me know thanks
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ted
Journeyman Posts: 62
From: Central Texas
Registered: May 2003
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posted 05-14-2003 07:19 AM
Stall in the converter depends upon the torque from the engine. I've run the same converter on three different combinations and stalled three different rpms. With a transbrake and the same TCI converter, my 458 Fe stalled at 5500, the 416 Fe stalled at 5200, and the 337 Y-Block stalls at 4500.Just changing to different carburetor spacers, size of carb, exhaust system, etc. affects the converter. ------------------
Ted E.
Fe's are plenty fast, but "Y"'s are fun when they run in the nines.
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74merc
Gearhead Posts: 1006
From: Demopolis AL
Registered: Jun 99
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posted 05-14-2003 07:22 AM
the actual stall depends on the engine's power.
If you have a weak engine, a 2800 stall will actually stall lower, 2000rpms (example). If you have a really stout engine a low stall will stall higher, although not to the same gap of the weaker engine/high stall combo.
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74merc
Gearhead Posts: 1006
From: Demopolis AL
Registered: Jun 99
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posted 05-14-2003 07:23 AM
heh, beat me to it. 
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Moneymaker
Administrator Posts: 25883
From: Lyons, IL, USA
Registered: May 99
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posted 05-14-2003 10:28 AM
Yes. See the above.  ------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
First SS/MA in the TENS!
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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thumpin cat
Gearhead Posts: 458
From: Santa Barbara, California
Registered: Mar 2002
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posted 05-14-2003 12:04 PM
if a stall converter manufacturer said their converter stalls between 4200-4500 would you call that converter a 4500 stall converter?some people on this forum suggested that i change to a 4500 stall converter so would a converter that stalls between 4200-4500 ok?
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thumpin cat
Gearhead Posts: 458
From: Santa Barbara, California
Registered: Mar 2002
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posted 05-14-2003 05:07 PM
What would a 4200-4500 torque converter stall at in a 69 Cougar (3200 pounds) gutted interior.
351w 10:8:1 compression
Speed Demon 750 carb
Victor Jr. Intake
Victor Jr. heads
Comp cams extreme energy. 250, 256 duration @ 50. 554, 558 lift
Hooker headers
3 in exhaust4:56 gears
30 X 11 slicks
rear coilover shocks
ladder bar
summit adjustable shocks.
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jsracingbbf
Gearhead Posts: 2751
From: Batesville,MS. , U.S.A.
Registered: Mar 2002
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posted 05-14-2003 09:43 PM
Call Kenny Ford at PTC torque convertors in Muscle Shoals ALA. Tell him what you posted in the last post. He will tell you with no BS'in. He is one of those hands on kind of owners.
He used to work for Bill Taylor at TCI before they sold it to Felpro. Many years in the convertor business. Also tell him I said Howdee. 
JS
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