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07-28-2008, 09:27 PM
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#1 |
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Registered User
Join Date: Sep 2007
Location: Sarnia, Ontario
Posts: 571
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Rear Drum Size
Is there any way to find out what size of rear drums my truck has without jacking it up and removing one of the wheels? I'm buying parts for the rear brakes and need to know the drum size since the parts store shows they have two different sizes in their inventory.
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1961 GMC 930- SOLD 1979 GMC C35 Single Wheel Camper Special- SOLD 1980 GMC C25 Camper Special- SOLD 1983 Chevrolet C10- SOLD 1983 Chevrolet Camaro- SOLD 1985 GMC C1500 (Dad's truck) 1985 GMC C3500 Crew Cab Dually- TRADED FOR 61 GMC 1997 Dodge Ram 1500 V6 Shortbox- Daily Driver 
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07-28-2008, 10:11 PM
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#2 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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Re: Rear Drum Size
unless you happen to have a receipt for prior purchases and have the part number for the brake shoes cause one is a 10" drum one is 11 inch drum if i remember right... i am sure if its a heavy half its the bigger drum
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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07-29-2008, 07:32 AM
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#3 |
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Arrived on a Pale Horse
Join Date: Mar 2007
Location: SnagTown Indiana
Posts: 2,524
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Re: Rear Drum Size
Buy them both, do the job, return the others.
 I've done it on a Chevy van with 3 options of shoes before.
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Jason 87 V30 350TBI/400 White w/Boss V-plow 89 R3500 CC SRW |
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07-29-2008, 08:33 AM
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#4 |
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Registered User
Join Date: Feb 2007
Location: Austin, TX
Posts: 3,930
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Re: Rear Drum Size
If you truck says "heavy duty chassis equipment" or "big 10" or "heavy half" on the options sheet, then it will have the bigger brakes.
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1977 GMC Sierra Grande |
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07-29-2008, 06:42 PM
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#5 |
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Registered User
Join Date: Sep 2007
Location: Sarnia, Ontario
Posts: 571
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Re: Rear Drum Size
It's not a Heavy Half or anything like that...so I'm assuming it will have the smaller of the drum sizes?. Here's a link to what comes up for an 83 1/2 ton when they search it at the parts store:
http://www.partsource.ca/parts/automotive-parts.asp I'm probably going to wind up pulling both rear wheels just to be sure but thought I'd see what you guys think, to maybe save some time and trouble.
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1961 GMC 930- SOLD 1979 GMC C35 Single Wheel Camper Special- SOLD 1980 GMC C25 Camper Special- SOLD 1983 Chevrolet C10- SOLD 1983 Chevrolet Camaro- SOLD 1985 GMC C1500 (Dad's truck) 1985 GMC C3500 Crew Cab Dually- TRADED FOR 61 GMC 1997 Dodge Ram 1500 V6 Shortbox- Daily Driver
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07-30-2008, 02:03 AM
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#6 |
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Right turn Clyde
Join Date: Nov 2002
Location: Cincinnati, Ohio
Posts: 2,911
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Re: Rear Drum Size
RPO list should also tell what brakes you have.
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1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73 1992 Camaro RS 305 TBI |
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