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Old 10-22-2004, 09:47 AM
59chevyapache's Avatar
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changing shift points on TH-350

i was wondering what would need to be done to change the shift points. My engine pulls to about 5200 but its shifting at 4500 bringing me back down to around 2900 which makes me have a huge dead spot in acceleration. Does anybody know and how hard is it to do?

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Old 10-22-2004, 12:48 PM
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lol, shift it manually dude!

Or adjust your kickdown cable.

Vacuum modulator adjustment will change the firmness of the shifts.

K
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Old 10-22-2004, 09:17 PM
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vacuum modulater makes it shift harder? i never noticed it adjusting mine.... i thought it was more a function of shift points... anyways you can take your governer out and put diffrent springs in it. you can also take your valve body out and install a shift kit.. that should help it take more abuse when you shift it manualy as well as change shift points
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Old 10-23-2004, 08:08 AM
stu stu is offline
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If you are losing that many RPM's you need to address a different area than the shift points.
Convertor.
Gear ratio.
Engine.
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