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Discussion Starter · #1 ·
Hey guys, gonna be getting new wheel cylinders, but need to know what bore size I need for the rears.

NAPA has:
LF: 36017 bore size 1 1/8"

RF: 36018 bore size 1 1/8"


LR: 36019 bore size 29/32" ($15.49)


370192 bore size 15/16" ($8.69)


RR: 36020 bore size 29/32" ($15.49)


370193 bore size 15/16" ($8.69)


I am assuming go with the sequential part numbers 36017-36020 but wanted to double check.

Thanks guys!
 

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I show the rears for everything except wagon, police and taxi are 29/32" in 1964.

David
 

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Actually, that was from an application lookup. You can do the same thing with the better-referenced sites like RockAuto.com, but be sure to get at least two verifications as some data lists are botched. I found Wagner, Bendix, Dorman and Centrix all said the same application, and probably others but that was enough for me. In tough cases, I will eliminate the other versions (police, HD, wagon, etc.) and what is left is the one. In this case, that was not necessary.

Note that some cars have been changed over the last 50 years, and some were special-order, so you might find larger drums and shoes on the rear. In that case you need to size the cylinder to the drum to maintain proper function - e.g., wagon drums need wagon cylinders. Measure stuff as you take it apart to verify you have what you think you do. I've solved some puzzling braking problems that way.

David
 
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