MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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donfaber
Don Faber
Terra Alta WV
(111 posts)

Registered:
10/31/2007 10:53PM

Main British Car:
1979 MGB 3.9L Rover V8

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Tachometer Glass
Posted by: donfaber
Date: June 07, 2010 01:14PM

I just added a Potentiometer to my Tach (79 MGB) so that it now works with my V8. In the process, I lost the glass lens for the tach. Any suggestions for getting another (anyone have a broken used tach or speedometer from a 79 "B")?


Bill Young
Bill Young
Kansas City, MO
(1337 posts)

Registered:
10/23/2007 09:23AM

Main British Car:
'73 MG Midget V6 , '59 MGA I6 2.8 GM, 4.0 Jeep

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Re: Tachometer Glass
Posted by: Bill Young
Date: June 07, 2010 02:00PM

Don, I think I'd just take the instrument bezel down to a glass shop and see if they can cut you one. It's just a flat piece of thin glass similar to what is used in photo frames. Cutting it round is the only trick, but I'd be they can cut and grind one quickly for not much money. Friends of mine have had replacement door mirrors cut at local shops, don't know why they shouldn't be able to do a round clear glass.


ex-tyke
Graham Creswick
Chatham, Ontario, Canada
(1165 posts)

Registered:
10/25/2007 11:17AM

Main British Car:
1976 MGB Ford 302

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Re: Tachometer Glass
Posted by: ex-tyke
Date: June 07, 2010 02:21PM

Victoria British sells them @ $4.95 (part # 9-2182 )
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pspeaks
Paul Speaks
Dallas, Texas
(698 posts)

Registered:
07/20/2009 06:40PM

Main British Car:
1972 MGB-GT 1979 Ford 302

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Re: Tachometer Glass
Posted by: pspeaks
Date: June 07, 2010 08:41PM

I had bad outside mirror glass and got lectured every time it went through inspection. I had a glass shop cut and grind new ones, used industrial quality double sided tape and if I didn't point it out you would never notice. They've been on the car for twenty five years and are still going strong.


pspeaks
Paul Speaks
Dallas, Texas
(698 posts)

Registered:
07/20/2009 06:40PM

Main British Car:
1972 MGB-GT 1979 Ford 302

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Re: Tachometer Glass
Posted by: pspeaks
Date: June 07, 2010 08:43PM

Don, how did you modify the Tach? Do you have a diagram? "P"


Moderator
Curtis Jacobson
Portland Oregon
(4577 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

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Re: Tachometer Glass
Posted by: Moderator
Date: June 07, 2010 10:29PM

There might be several approaches, but here's our old article on the subject of tach modification... [www.britishv8.org]


donfaber
Don Faber
Terra Alta WV
(111 posts)

Registered:
10/31/2007 10:53PM

Main British Car:
1979 MGB 3.9L Rover V8

authors avatar
Re: Tachometer Glass
Posted by: donfaber
Date: June 08, 2010 05:31PM

I used the modification that Curtis references in his June 7 post - works well. Thanks for the suggestions on glass.



pspeaks
Paul Speaks
Dallas, Texas
(698 posts)

Registered:
07/20/2009 06:40PM

Main British Car:
1972 MGB-GT 1979 Ford 302

authors avatar
Re: Tachometer Glass
Posted by: pspeaks
Date: June 08, 2010 06:36PM

Thanks guys, I'll check it out, "P"

I read the article and as it turns out I have a 1972 tach. I had planed on replacing the insturments with electronic because of the speedometer issue but mod'ing the origional is worth a try, got nothin to loose!



Edited 1 time(s). Last edit at 06/08/2010 06:44PM by pspeaks.


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