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I've got a TACH QUESTION TOO...
Posted by: Space Cowboy ()
Date: March 09, 2005 04:44PM

I finally got a copy of the Corvair Tech Guide...
(GREAT Book! Thanks Clay & Larry!!)
Early in the book Ralph Woods talks about adding a Tach to the LM Monza's & 500's by installing a SUN CP7905 in place of the clock.
I have not been able to cross reference this model to its modern equivalent (Sunpro Models do not list a 7905). Anyone have an idea for a replacement?

Thanks!!


Re: I've got a TACH QUESTION TOO...
Posted by: "UNSAFE" ()
Date: March 09, 2005 07:12PM

>>>Anyone have an idea for a replacement?<<<

I used a standard Stewart-Warner tach in a Monza dash and it was a great fit.

I think just about any of the standard 3 5/8"? tachs will work.

You may have to modify the retaining bracket or just glue it in.

The tech guide is good but some of the info like part #s may be dated.

"UNSAFE"

Re: I've got a TACH QUESTION TOO...
Posted by: Bill ()
Date: March 09, 2005 07:56PM

Early Spyder tach fits and looks right at home there... of course these are now so expensive you have to really want the OEM look...

Bill

Re: I've got a TACH QUESTION TOO...
Posted by: Ed ()
Date: March 10, 2005 07:05AM

I used a tach from JC Whitney, mounted in a cut clock delete plate, on my old '65 Monza. The tach is still offered currently as #SN812712P for $28.99. It goes on sale occasionally as low as $19. It says it works for HEI also.

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