Moss Motors, Ltd

Why is it every time i start my 77 MGB I have to tap on the tac to make it work? after that it works fine. and then i have to do it the next time i start the car. please help. Mark

It's asleep. Is this the worst problem you have wwith your 77? The tachometer in your car is a galvonemetric device. Galvonometric devices don't usually have a whole lot of torque! Tapping it helps break it loose and overcome the starting friction. Like I said, it's asleep...

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Motorbill
From Lola to Land Rover, If it's British and has wheels, it's likely I've bloodied me knuckles thereupon

Well i can live with that. I wish that was the only thing wrong with my 77, but i'm working on that  Thanks, i'll try some coffee.

Coffee sounds good!

As Bill noted the 77-80 tach doesn't have a lot of torque, so it doesn't take much gumminess in the works to prevent the needle from breaking free from the 0 rpm peg. I've got a really good treatise on cleaning these units somewhere, so look for a tach tech article on the forum sometime soon.

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Kelvin Dodd
Global Sourcing Engineer
Moss Motors, Ltd.
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Thats great, i'll be looking for it!  Still gona try some coffee.   Mark

Most British cars I've owned (and that's a lot!) -I've had to tap on the tach.  That's just part of the character that makes them lovable.

I bet new Chinese MG's won't be like that -what a drag.................

 

Tim

Tim R:

I bet new Chinese MG's won't be like that -what a drag.................

Tim

Nah.  They'll be made out of Chinese aftermarket parts.  Nothing will fit, everything will leak, and odd bits will fall off when you drive.  And spares will be overpriced.

Moss guys - this ain't aimed at you.  You're more the victim of this problem than most of us, 'cause we still have other alternatives when your suppliers fail you.  You get stuck with a bunch of unusable windshields and such.  Don't ask how I learned that....  Sigh.

R.

 

You guys are a gas, I have learned two things here. 1 my tach, and 2 how to spell  tach,

ha ha on me, don't  let that scare you, my car skills are much better. mark