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Old 08-04-2017, 01:38 AM   #14
Synchro909
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Join Date: Jun 2014
Location: Melbourne, Australia
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Default Re: Speedometer drive gears

Quote:
Originally Posted by 160B View Post
Synchro909,

You are on the right track. The 16 - 17 % error indicates to me it may be a combination of the drive gear and air gap. Air gap usually is a 5 to 7 mph maybe a little more adjustment. And like you said it is a trial and error process.

Let us know how it works out. I will watch for your results and provide any appropriate advice.

I am sure you are dealing with an oval speedometer as the depression resulted in very few late 30 or 31 Model A Fords being imported into Australia.

My wife have been to several meets in AU, Shannons 2001 Canberra, and the Model A meets in Toowoomba 2002, Adelaide 2006 and Launceston 2010, and have always enjoyed the meets and the friendships.

good on ya mate!!
It's actually a 1930 CCPU I bought in Arizona a while back. It has a round speedo but you are correct - few 1930 or '31 cars here, in fact I'm told none were brought here in 1931 because there were so many unsold '30 models. They could still be bought new in about 1933. The depression hit here harder than over there!
Glad you enjoyed your rallies here. Are you coming to the next national about September 2018? It's at Murray Bridge, about 75 km (45 miles) towards Melbourne from Adelaide.
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