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Old 04-27-2023, 02:42 PM
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big gear head big gear head is offline
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Change springs and weights in the governor. You can buy a kit with springs and weights to adjust it. I had the TH400 in my brother's '70 Z28 shifting at 7000 RPMs at WOT. He made me change it to 6500. It was a lot more fun the way I had it.
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1969 Camaro RS/SS396 (427) 4 speed
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