RPM not right
#1
11-23-2009, 10:41 PM
RPM not right
Hey Guys
I've got an 86 K10 with a 350 I have a Tach on it and at 75mph I used to run 2100RPM now its showing anywhere from 1600 - 2100 RPM I've had 3 tach's on it and they all show the same.
The longer I drive and the more it downshifts for hills and back to OD the closer to 2100rpm it gets any thoughts on how this is happening?
I've got an 86 K10 with a 350 I have a Tach on it and at 75mph I used to run 2100RPM now its showing anywhere from 1600 - 2100 RPM I've had 3 tach's on it and they all show the same.
The longer I drive and the more it downshifts for hills and back to OD the closer to 2100rpm it gets any thoughts on how this is happening?
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