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Old Aug 19, 2023 | 08:46 AM
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Default Stock auto transmission

What would be the most HP you can put through a stock 1974 automatic TH transmission ?
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Old Aug 19, 2023 | 11:51 AM
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Factory put 400+ gross HP engines on them when new.
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Old Aug 19, 2023 | 12:59 PM
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Default Thank you

Thank you for the information very helpful !
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Old Aug 19, 2023 | 10:52 PM
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You can “roll over” the intermediate sprag doing water burn outs in the later than ‘70 400 TH. 36 element sprag with the proper drum, that makes them super strong.

Steve O.
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