1970 RM7500 clutch slave cylinder question
I have seem listings for a clutch slave cylinder for a '65-66 3500 series that looks like the one on my 1970 RM7500 (rear engine) chassis ( 401M motor) and Clarke 5/2 transmission. Rock Auto for one...in Wagner and Dorman brands.
I am wondering if anyone has a way to determine if there might be some minor differences in one for a 1970. Mine sat for several years, and the piston is now seized at the bottom of the bore. The bore is so rusty that I do not think it is repairable, and I might not even be able to salvage the piston. I have a second slave cylinder, but it is in the same sorry condition.
I can have it bored and sleeved if necessary, but if the '65-66 is the came cylinder, I want to go that way
I see two listings, which show slightly different bore sizes ( 1.063 and ?0.96? or something similar) I have not tried to measure the bore of the original quite yet., but I see a '15/16' cast into the Delco housing, so i know it is a nominal 1" bore....give or take a lot of rust.
Any input is helpful.
or call (425) 466-0884
Rod Johnson
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