Make Th350 downshift at higher rpm/mph?

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MrSony

Geezer
Nov 15, 2014
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Des Moines, Iowa
My th350 will downshift from 3-2 at 34mph and below and no more. I've tried adjusting the air door tension, messing with the atp screw, nothing. baaa*pause*WAAAAHH

With my other engine, I got the kickdown and air door opening perfectly synced. This engine has a bigger cam, headers, intake, etc than that engine, and 34mph is a dumb speed for maximum auto kickdown. Didn't they used to kickdown from at least 55mph?

Would messing with the governor help this at all?
 
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