The single line master and original setup in my 2 ton does just fine, it's rated at 16,000 lb. gross, I'm not even running the Hydrovac yet, just manual stock hydraulic. I did pull the booster off the truck to get identification so now on the hunt to get it rebuilt or swap it.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
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