front drums and wheel cylinder size
#1
front drums and wheel cylinder size
ok guys my left front wheel cylinder went out today and i went to the local advance auto parts. They had two sizes 1 3/8 bore and 7/8 which one is correct for 72 cutlass s with power drums. i know the bigger bore will have more braking power which my car could use is this something i should consider if i have the 7/8 bore wheel cylinders the car has kind of weak brakes with the cam thats in there . i had the drum off but i didnt know there where two bore sizes so i figured i'd ask before taking the drum off again . most people would just take the part and compare it but i have limited work space in a one car garage and i dont like leaving my car out on jack stands so i have to get it right the first time and plan it out . Any help or advice is greatly appreciated .
#3
well i dont know what bore size i have im trying to see what was standard on those cars i bought the 1 3/8 thinking power drums needed the bigger bores but i might be mistaken i might need the 7/8 either way im poping the drum off again tommorow and comparing it to the one i got if its smaller ill switch that one out if not its goin in only the one wheel cylinder went out and its only leaking . but im also trying to see if i can use the 1 3/8 as an upgrade to get some added stoping power., either way ill probably end up just replacing the one thats bad with the size that came out
#5
im going to take the drum back off and double check i looked in the auto zone computer and it only showed the 1 3/8 cylinder., i might not have the right size but i got the bigger of the two available. im guessing the smalle bore is for non power drums ????
#7
thank you seems like i got the correct one and i do have the 1 1/8 or 1.125 . i just needed the clear that out., i would hate to take the drum off again just to find out i bought the wrong one.
#8
Bore Size
7/8" are for the rear -- the young whiipersnapper is not well versed at reading a catalog -- should stick to selling oil and air fresheners.......
Call me if you have any concerns -- I have the front shoes, front wheel cylinders, front brake hoses, front wheel bearings & seals, and front drums ---- all American made!!!!!!!!!!
Craig -- 516 - 485 - 1935.................
Call me if you have any concerns -- I have the front shoes, front wheel cylinders, front brake hoses, front wheel bearings & seals, and front drums ---- all American made!!!!!!!!!!
Craig -- 516 - 485 - 1935.................
#9
Thank you for the help I got it fixed on sunday I forgot to update everyone on it I did get the right one I figuerd the bigger one was for the front so that's what I went with
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