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My torque converter seems to lock up sooner than my buddies. Whats the difference?

April 26, 2017Buddies converter difference lock sooner torque

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My torque converter seems to lock up sooner than my buddies. Whats the difference?

1 Answer

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Ken Rolt & Robert Acorcy report the following: The year (94 to 96), or model (Impala, 9C1, LT1 equipped Caprice) makes no difference in the lockup speed. It was whether you had the Chuggle & Surge TSB update. WithOUT the TSB update – 3rd gear lockup ~37 mph; 4th gear lockup ~ 46 mph. With the TSB update – 3rd gear lockup ~43 mph; 4th gear lockup ~ 53 mph. All the above numbers are +/- 2 mph in range, and are accounted for by either speedometer error, or error in reading the speedometer. Back to the index…