[6pack] tachometer rebuild

emanteno at comcast.net emanteno at comcast.net
Mon Sep 15 12:10:59 MDT 2008


-------------- Original message -------------- 
From: Ian Breyer <ianbreyer at yahoo.com> 

> Hi all. I am hoping you guys can provide some insight. 
> 
> I just had my tachometer rebuilt by Nissonger Instruments. They did a real nice 
> job and it is working much better than before. There is no longer any bounce and 
> it isn't hanging up and jumping all over the place. My only question is that it 
> use to register 3,000 RPMs in 4th gear when I was doing 70 MPH. Now it is about 
> 3,600 in 4th gear at that speed. Of course I have always had my doubts about the 
> accuracy of the speedo as well. I am running 205/70/15 tires. The transmission 
> and rear end are stock. No overdrive. Is this normal? 

When new, my TR6 showed 3500 rpm at 70 mph, no overdrive. Your 205/70x15 tires are very close in diameter to stock tires, so your reading is likely more accurate now than before.

Irv Korey
74 TR6 CF22767U now on 215/60x15 tires
Highland Park, IL


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