I found the 'Construction and Operation of the Two Speed Axle Shift Control Valve' manual in my 1956 Chevrolet Product Data Book and thought those with the 2-speed vacuum shift rears might like to see it! laalaa

Mike B smile
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Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
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Silver Spring, MD