Vacume Guage question
 

Got a new Tach and Vac kit and installed it over the weekend (thanks PICKMUP!)

Im sure it was set up correctely, but Fedex must have smacked it at some
point because the vac guage was pegged at 30 without any vaccume. With
vaccume it went further to the right. So I bent it back untill it made sence
to me. Now, at warm idle the guage says 18. It will go up to 25 coasting
downhill in gear, and drop to 8 going up hill. 0 when I floor it ;) - Does this
sound right?

Also, my new tach workes great, but when I turn on my blinker the needle
jumps with every blink. Is this normal? Or did I do something stupid?

Thanks!

Re: Vacume Guage question
 

sounds like a blinker wire is shorting with the tack or your wires are crossed.
Did you rewire it from a 3 gauge cluster to a 7 gauge?

Re: Vacume Guage question
 

No, it had a guage cluster, but no tach or vac so they were added.

The tach works fine, the whole cluster works fine, but when I turn on my
headlights the tach jumps up for a sec then is fine. If I turn on my blinker
the tach will jump a second every time it blinks.....

Re: Vacume Guage question
 

where did you ground the tach?

Re: Vacume Guage question
 

I didnt.

The tach had a wire harness with two wires, a red one that plugged into
the fuse box, and a brown one that went to the coil. I assumed the entire
cluster was grounded..... Am I wrong?

Re: Vacume Guage question
 

The tach should be grounded somehow with a wire or by the mounting surface! your vacum seems to about right as long as you have a faily stock cam etc.

Re: Vacume Guage question
 

your cluster might now be grounded to the dash...maybe from paint ect...
When strang things happed it is usally a ground....