A guy on grassroots says a mid 60 jag sensor screws on to those masters....I guess that makes sense as they were originally AP I think an English company . Best pic I could find and seems a most excellent suggestion
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....and raised another question in my mind. The current caps seal the reservoir and use a rubber bellows thing I'm used to seeing on brakes....but newer plastic reservoirs with sensors, like the one stock on the 308 from '84 so not all that "newer" are not sealed...I guess the fluid has changed and no longer requires the air be kept out???? Never really thought about it before just now.
The bigger concern that popped into my mind is just how small these reservoir are and adding a float switch would take....1/3 looking at the pic? I liked these little masters because they at look like the ones used on the 308 rally cars, those were AP and more pricey but at a glance its period race race. I think they only hold about 2 full pedal pumps making brake fluid level checks pretty important I suppose.
speaking of which I opened the masters to try to figure out what size they were inside....this one looked like shit. I drained it, cleaned off the corrosion and refilled but man, the car has only been out of the garage to move it from 1 bay to another...don't really understand this. The other 2 looked find...I don't know.
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Back on wires I went to put up the fuse box...hmmmm...wonder where I put the screws? After about 30-40 minutes of searching around the shop I dug them out of this box.....I hate when that happens but that's what happens when a project goes 13+ years I guess.