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Originally Posted by Nipperiley
NOTE*** all the heavy bow tie Chevy mags are 100% : FORD brake fluid is the best. Just the stuff from the dealer parts dept. The parts guys laugh at me but say I am not the only bow tie guy purchasing Ford brake fluid.
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Racers like the Ford fluid because I think it has a higher dry boiling point than many DOT 3s, but it's only rated DOT 3 because the wet boiling point doesn't meet the DOT 4 wet spec. Racers often flush prior to every event.
My research over the years indicates (but it's not unequivocal) that DOT 4s offer better long term corrosion protection so that's what I use in all my cars except the SWC that has DOT 5.
I alternate between kicking myself and congratulatiing myself for not having disk brakes and FI, but, no doubt, in the long run, my (J-65 metallic) drum brakes and AFB have been a lot less hassle.
Duke