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Old 08-16-2009, 10:41 PM   #1
travo77
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th400 problems

its a th400 with street strip shift kit brand new vacuum mod and i checked vac at carb and vacuum mod its around 10 but no matter what it will shift around 4000 rpm is that enough vacuum to operate or do i need more any help would be appreciated
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Old 08-17-2009, 08:53 PM   #2
Marv D
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Re: th400 problems

Who did the shift kit? sounds like a valve body problem. Was the governor modified?
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Last edited by Marv D; 08-17-2009 at 08:53 PM.
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Old 08-17-2009, 10:53 PM   #3
Rodms
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Re: th400 problems

sounds like something may be stopped up,or they left something out,put it on jack stands and run it through the gears and see what it does.
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Old 08-20-2009, 09:54 PM   #4
travo77
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Re: th400 problems

im gonna check it out this weekend make sure the shift kit is done right, ill let yall know
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