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Old 07-08-2007, 08:58 AM
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Turbo 400 shifting problems

I have a Turbo 400 on a 502 chevrolet in my 35 chevrolet. After I drive it for an hour or so, it tends to have a hard time shifting into 3rd gear. Sometimes I have to go to neutral and back to D to make it shift. I have a trans cooler on it with a fan and it is set for 190 degrees now. Level is OK and fluid looks good. I have a 2800 rpm stall converter in it.

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Old 07-08-2007, 02:10 PM
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Quote:
Originally Posted by 35chevrolet
I have a Turbo 400 on a 502 chevrolet in my 35 chevrolet. After I drive it for an hour or so, it tends to have a hard time shifting into 3rd gear. Sometimes I have to go to neutral and back to D to make it shift. I have a trans cooler on it with a fan and it is set for 190 degrees now. Level is OK and fluid looks good. I have a 2800 rpm stall converter in it.

what is the history of the trans? rebuild-fresh or old or ?

What is the vacuum reading to the modulator? Full manifold vacuum?

Is reverse gear weak or pulls strong?
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Old 07-08-2007, 05:26 PM
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Turbo 400

what is the history of the trans?
Answer: New rebuilt from B&M. Probably my firsy mistake.
rebuild-fresh or old or ?
Answer: Supposedly rebuilt with shift kit for 600HP

What is the vacuum reading to the modulator?
Answer: Don't know but will check tomorrow.
Full manifold vacuum?
Answer: Fuel injection system so yes.

Is reverse gear weak or pulls strong?
Answer: Pulls strong
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