Bob Perkins
May 26, 2015

Correct Boss Voltage Regulator

I have a ’70 Mustang Boss 302 that was built in May of 1970. What is the correct voltage regulator for my car? I get conflicting answers from many reliable experts. I would like to get an assembly line correct regulator for my Boss. Thanks!

John Ray
Chicago, IL

The correct voltage regulator would be an Autolite branded unit with D0AF-10346-A identification with silver lettering. I have provided a picture of a N.O.S. Dearborn assembly line original for you to see what it should look like.


Single Versus Double Crimp Filters

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We have a ’70 Boss 302 built in December of 1969. I have seen an ad on eBay for a ’69-’70 Autolite assembly line oil filter painted Ford Blue. My question to you concerns the crimp on top of the oil filter. All reproduction Autolite oil filters have a double row of crimps similar to the earlier Rotunda filters. I have seen Autolite filters with a single crimp also. Is this a vender variance or possibly product date/assembly line related? What would be assembly line correct for my car?

Bill Stern
Ames, IA

The outer shell on the Autolite FL-1 oil filter changed from the double- to single-crimp style during the 1969 calendar year. I have an example of an October 1969 dated single-crimp FL-1 filter. I have provided pictures here for reference. I would look for a single crimp filter for a December 1969 build date, which will have to be a N.O.S. find. There is currently no reproduction of the single crimp Autolite FL-1 oil filter.


Spare Me

What would be the correct spare wheel for a ’69 Mustang Mach 1? I bought the car from the original owner, who removed the spare wheel and tire due to the car having such a small trunk area. After several moves the spare has been lost. Would the spare wheel be a standard black steel wheel or the chrome center with a trim ring?

Jim Spivey
Jim Spivey

Your Mach 1 spare wheel would match the other four original wheels mounted on the car, Ford PN C8ZZ-1007-E. The spare in the trunk would not have a trim ring installed. To be concours correct don't forget the jack pad under the scissor jack, as seen here.