high rpm before shift

[ricturbo]

sometimes 86 gn shfts easy and then seems when gets hotter it has to have very high rpms to shift ant ideas??? new tran fluid and filter..

 

[TexasT]

Fluid nice and cherry red?
When was the last time you changed it and the filter.
How many miles on the trans?
Original or rebuilt?

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[ricturbo]

I have new filter and new fluid just put engine in 450 miles radiator had been setting a while.also

 

[David Husek]

When you changed the fluid and filter, what did you see in the pan?