MG Sports Cars

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

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skootch13
aaron kuertz
cincinnati
(20 posts)

Registered:
06/30/2020 01:50PM

Main British Car:
1973 MGB Rover 4.6 (I'm told)

authors avatar
1973 MGB speedo calibration
Posted by: skootch13
Date: August 31, 2020 09:43AM

I have a 73 MGB with a triumph lt77 5 speed and a chevy 10 bolt rear end, ratio unknown.

I sent my speed to Nisonger for recalibration. They informed me that they can make the speedo work but the odometer won't work with the speedo. Something about how the speedo is "1300" and now your car wants to be a "850" speedo.

What are my options? GPS unit? Cobble two speedos together to make one? This is a low mile car so I want to be able to document the mileage and not lose it.


skootch13
aaron kuertz
cincinnati
(20 posts)

Registered:
06/30/2020 01:50PM

Main British Car:
1973 MGB Rover 4.6 (I'm told)

authors avatar
Re: 1973 MGB speedo calibration
Posted by: skootch13
Date: August 31, 2020 07:28PM

West valley instruments says they can fix it. no idea why Nisonger couldn't


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