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1984 5.0L HO L69 VIN G THM 700-R4 Torque Converter Spline Output Shaft Count

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Old 10-15-2021, 04:38 PM
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1984 5.0L HO L69 VIN G THM 700-R4 Torque Converter Spline Output Shaft Count

Hello Everyone,
New to the site and hoping that someone might know if the spline count on the 700-R4 input shaft for the L69 is 27 or 30 as '84 was a transition year and both were used? I'm going to be accomplishing a torque converter change to a higher stall speed than the stock 1900 as part of a driveline upgrade. I have been unable to ascertain which size is used. Nothing in GM Chevrolet Tehnical Data either. Hoping that with the increased horsepower and torque from the L69 Chevrolet would have improved by changing to 30 for the Z28, T/A, and Monte Carlo.

Thanks very much to anyone who might know or vector me to where I might find out.

Dave
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