GM> RJT> A tach?  I have one of those,  with an automatic...

GM>There you go then! 

GM>They are handy when you're doing a tune-up of the engine, but
GM>I've never seen the need for them any other time.

I toe a 34' travel trailer with a Chevy PU - automatic
transmission. It has a tach which is very valuable when I
start going up steep grades. Watching the tach prevents me
from over revving the engine. From overdrive it
automatically down shifts without over revving. From 3rd on
down I have to watch it. Wouldn't be without it!

Jay
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