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Old 03-26-2017, 01:44 AM   #49
truckster
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Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,791
Re: Transmission? Poor acceleration.

Quote:
Originally Posted by telly View Post
It bothers/worries me that it loses speed right now going up hills that it used to accelerate up.

I'll work on getting the casting numbers.
What are the RPMs doing as it loses speed? Are they decreasing in proportion to the decrease in speed? If not, it could be that your trans is slipping.
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