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Old May 16, 2022 | 09:32 PM
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Default Auto tranny question

Non-computer controlled 3 speed auto. What would cause it to not shift into high from second gear?
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Old May 16, 2022 | 09:59 PM
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Vacuum modulator or governor
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Old May 17, 2022 | 05:14 PM
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Buy an adjustable v. modulator and you can adjust the shift points.
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Old May 17, 2022 | 06:18 PM
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turbo 400? the kick down ball can be hung up so it doesn't close the hole. easy to spot. most likely though is tired old trans. if it needs major work, don't do it. 2004r through 4l80e are all superior. unless originality is a big thing with you.
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