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My 54' Chevy has two gauge problems...

First, the speedo is about 10mph too high at 60 mph and is pretty bouncy. How to do I get this to read correctly and stable? It is hooked up to a 350 trans and has a 3.08 rear gear set.

Second, the original gas gauge is not working. There was an external gauge mounted under the dash that seems to work but is not correct. About 1/4=empty and 3/4=full. The car runs on 12volts. I'd like to get the original working again but dont know much about how the old original gauge works. Or how can I calibrate the newer one.

Thanks for everyones input
Jim :cool:

Drive it or sell it!
 

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man i love those 54 chevys
the speedo can be calibrated by pulling the sending unit from the trans its the threaded part where the cable hooks to the trans just remove the one 7/16 bolt and the sending unit will slide out revealing a colored plastic gear G.M. makes several different ones just ask your local parts guy he should be able to steer you in the right direction as for the guages being bouncy and not functioning well look in the yellow pages for a repair shop they are usually resonable and most offer guage refacing and new needles to spiff things up
 
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