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jkflathead · 11-12-2019, 09:06 AM

I am about to install the controls for an original Columbia two speed rear end in my '35 Ford coupe. Would it be ok to not install the speedometer conversion assembly under the dash? I understand that the speedometer will be off by 10-12 mph. Other than that is there a problem? I guess that I would have to block off one of the vacuum ports going to that mechanism. Advice? Thanks.

11-12-2019, 09:06 AM	#1
jkflathead Senior Member Join Date: May 2010 Posts: 679	35 Ford Columbia Speedometer? I am about to install the controls for an original Columbia two speed rear end in my '35 Ford coupe. Would it be ok to not install the speedometer conversion assembly under the dash? I understand that the speedometer will be off by 10-12 mph. Other than that is there a problem? I guess that I would have to block off one of the vacuum ports going to that mechanism. Advice? Thanks.