65GS.com - Buick Gran Sport Enthusiasts!
Drivetrain => Transmissions => Topic started by: Jim on March 02, 2022, 10:45:48 AM
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If your switching to a 400 trans is it worthwhile using the 300 converter on a stock 401 motor. Jim
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Yes. Torque!
You will see +2000 rpm stall.
Make shifting into first and reverse less harsh as well.