Mike S. writes: >> but I still have a nagging groan/vibration.
It seems to be around TC lockup, but I'm not convinced the
two coincide. Most obvious around 60 MPH on the highway
with light pressure on the gas... It's sort of a groan/rumble
with mild vibration. It seems to lessen as the truck warmsup.
Worse in colder weather. Ideas <<
If you recently changed the plug wires and noticed this
afterward, it could be the routing of the plug wires..
There was a bulletin about this some time ago. Seems as
if you run the wires parallel for any length, you can get
crossfire. Sometimes causing a hard miss, and sometimes
a slight miss..!!!!
Good luck!!
"The problem with socialism is that you
eventually run out of other people's money."
Margaret Thatcher
Azie
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