Hot Rods 392 hemi mallory YC337A questions

I'd kinda like to use an old mallory distributor instead of my vertex magneto. Does the YC337A use the old style flat brown cap, is there an oiling fitting on it and any guess on how much mechanical advance is in it? Haven't found one yet to see. Leads appreciated.

 

Yes, the 337A will use the two piece caps. The earlier brown cap is p/n 24004 and it uses a rotor p/n 24215 that has a spring loaded contact. The black cap will be identified by the number 4004 on it and the rotor will be 4215, with a contact that is riveted solid.
In the past I had a Mallory with the later black cap and the early rotor, the contacts are different in the later cap and the early rotor would strike the contacts so you want to match those parts.
Sorry, I’ve never see info for Mallory advance specs.

 

Thanks. Any idea of a source for one of these?

 

I'm constantly watching eBay for these, and have found one over the last 3 years, so I wouldn't count on that. I would place a wanted ad in the "Swap Meet" section on here (and maybe some of the Mopar forums) and haunt all the regular swap meets you can. If one does show up on eBay, don't worry about me out-bidding you, as I already have mine and would only buy another if the price were really right.

If you do find an incomplete one (most on eBay are missing something, usually the cap and/or rotor) I may have what you need to complete it.

 

Yeah, been watching there.

 

I have an old mallory ZB189BX to fit a 48 buick 320 engine that uses the same 24004 cap as mentioned above. It has a fitting on the side. Is it for oiling? That's why I asked if the Hemi YC337A had that too.

 

Weird system. Vacuum advance crossed my mind, but no diaphram to be seen, so... nah, no way. Ya learn something new almost every day.