Quote:
Originally Posted by Gene1949
IF you intend on driving it much LOSE the Mallory. A non vacuum advance dissy is a "race only" item.
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I will have to disagree with this. I have a mechanical advance only Mallory on the '51 Merc engine in my '51 Ford club coupe. It starts on the first touch of the key and runs excellently. As a matter of fact, I replaced a vacuum advance converted SBC unit with it when I couldn't get the car to run right with that distributor. I am completely satisfied with the way the car performs with the Mallory and would not consider changing it. Last summer, I made a 280 mile round trip, mainly on the interstate, averaging 70 mph and 19 mpg. This in a car with 3.55 rear end gears and no overdrive.
Also, as I reported in my reply to "adileo" about condensers, After an initial tune up in 1987, this same car performed flawlessly for 30 years and over 20,000 miles until I upgraded the engine in 2017. This was with a completely stock 6 volt system. Just make sure the system is in good shape and quality components are used. A lot of the time, components on cars as old as these are just plain worn out, which can lead to lots of problems (think worn distributor bushings).