Today I plumbed in a reservoir tank for vacuum, ran 3/8 copper lines to the rear axle, connected the freshly cleaned and lubed control valve, started the truck and checked for control vacuum at the lines, it should work like a dream once I get the pinion yoke seal and re-assemble the yoke.
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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