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Old 06-03-2015, 06:22 PM   #15
Tom Wesenberg
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Join Date: May 2010
Location: Mpls, MN
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Default Re: What's a safe rpm for a good touring eng.?

Quote:
Originally Posted by Redbird View Post
Speaking of tachs. What do you hook the leads up to on a Model A? I haven't used this since the 60's. Still in my tool box. Made in USA by AMC.
Normally the red clip will go to the points with a negative ground system, and black would go to ground, but you may have to reverse the leads for the Model A with a positive ground system.

Does the meter say good for 6 and 12 volt systems? If not, then it may read low when used on 6 volts.
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