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The 51 NY'er drums front and rear use the larger bolt pattern wheels,hubs/bearings on the fronts, rear drums use a larger axle shaft. Any Chrysler "8" brake swap to the smaller six cars would be difficult. The front spindle support also uses the larger threaded pins and bushings. So a steering knuckle support swap won't work either. So no not an easy swap at all.

I'm trying to guess where you live that has monsoons. Do you live in Asia somewhere?

You will get better and worth while efficiency from a quality tune up, bump in compression, and even a pertronix module in the distributor.

I've only seen bedding used in the front. The rear is installed with the gasket only.

Ok I will throw in my worthless 2 cents. Parasitic draw is real. You can eliminate it if you are building a race car with no cooling or charging system. I would say 12 volt probably would be least parasitic draw for a few reasons. 1, electric fan. You could possibly just leave it off while driving, Just turn it on at long traffic lights when needed. Less parasitic draw then a mechanical fan 2, LED lights. (I hate them) they take less juice to run, means less time the alternator is charging. 3, More options for amps on a alternator ... get a 100 amp alt, will charge your battery lickity split, less parasitic draw. 4, I would venture to say, a modern alt would have better smoother bearings then a 70 year old jenny with a worn shaft ... Less parasitic draw. IMHO the op is not really interested in trying to stay & look original if willing to install a electric fan ... I'm cool with that, think I am going 12 volt also. I think between 6 or 12 volt, a real scientific study would show 12 volt winning parasitic draw. I just find it interesting the electrical question was written around parasitic draw. Makes me wonder if the op is more interested in building a Hot Rod racer then a stock classic. I'm fine with that. Choosing the correct transmission & rear end can remove a lot of parasitic draw. Much more then the electrical system.

They do call the rainy season is Arizona the monsoon season.

Hoovers suck if I am not mistaken....? I can see this on a modified car or one with questionable exchange air or water at the radiator and as a preventive measure on towing or long hauls on a steep grade. T hey have their uses and advantages.... My British van build incorporates a super slim electric fan as a pusher as the larger engine install really has not much room for the standard engine driven fan. Of course this is not stock, would never want it stock...as I could not be happy at 62 MPH at mega-revs

Electric fan is a nice option to complete the modern car illusion in a classic car. Sounds like a hoover when engine is turned off ?

I have been running a 6 volt POS ground alternator for 15 or more years. I have a six volt electric pusher fan that I use now and then. I have never had a problem with it in 15 years and about 70K miles. I strongly recommend an alternator if you are using an Optima Battery. See my posts from 17 years ago or so to read up on that. James

If you want the 12 inch brakes, just do get a 1946 yo 1948 Desoto Suburban/Limo or big Chrysler 8 rear-end and swap the while thing. James

Good deal Sniper, that'll allow me to use the larger wire all the way.

I know there is at least one member who advocates this swap, he'd probably know best. But I forget who it is, lol.

Nah....Most of these products on photos are not available outside US. Also his oven is in Fahrenheit.

The reason for this is that the electronic pickup (lobe sensing or hall effect magnets) maybe in a different position in the distributor to where the points were, hence the radical adjustment that maybe required. It doesn't mean you are actually advance by 30deg when adjusted and correctly timed.

Just to add to sniper's post, generator/alternator won't output the full capability of it 99% of the time, only when needed, ie on start up to charge the battery. If you have a slightly loose fan belt you will notice it will slip and make noise on start up and then as the demand on the generator alternator is reduced the noise will go away, belt stops slipping.

Maok is right. Power is called watts. Watts is simply voltage times amps. So 12v x 10a is 120 watts and 6v x 20a is 120 watts. Double the voltage means half the amps for the same wattage (power). 746 watts is 1 hp. so a 100a 12v alternator is 1200 watts, about 1.6 hp. Assuming perfect efficiency, lol. of course 12v charging systems run at about 13.8v, so that would actually be 1380 watts, less than 2hp in any case.

Visiting family in Michigan two weeks ago, I spotted this one near a family member’s house

Picked some up from Vic for my 1/2 ton two weeks ago https://vicsdodgegarage.com/product/51-53-b-series-½-ton-radiator-hose-kit/

My car is 6 volts with no parasitic drag. Definitely cheaper to fix your generator.

Aaaaand everything back together and looking sharp! I am going to remove the radiator and have it gone through by a shop this winter and will repaint the radiator shrouds and support then.