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drum brake size, assuming stock |
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russosborne 
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Joined: 01-January-2015 Location: Glendale AZ Status: Offline Points: 664 |
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 Topic: drum brake size, assuming stockPosted: 13-October-2019 at 10:59PM |
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Is there any way to tell what size rear brakes my 72 Ranchero has without taking them apart? I'd like to order the parts to redo them in advance. Summit has 10 and 11 inch diameter, plus one weird one at 9.9 something, and 2.25 or 2.5 inch width. Thanks, Russ
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unlovedford
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Posted: 14-October-2019 at 2:44PM |
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Brake size will be shown on the outside of the drum, flat area facing the wheel between the axle flange face and the finned edge.
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Joe
1972 Mom's Squire Wagon 1972 Torino Wagon 1976 Torino 1968 Cougar XR7-First batch 1972 Torino 460 1989 BroncoII/Jeeps/Titanimous Popeye and Brutus (Rams) |
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californiajohnny
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Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14609 |
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Posted: 14-October-2019 at 4:23PM |
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i think there are a couple different sizes like joe said above and IIRC some 72's had a narrower shoe? i seem to remember a member needing a narrow drum for a 72??? but not too hard to pull a wheel and remove a drum and measure then just put it back on
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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unlovedford
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Posted: 15-October-2019 at 6:28AM |
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The '76 Squire I'm stripping was a factory 460 car loaded with options. It has massive 11 x 2.5 surface area drums in back. The actual diameter and width of the finned drum itself is incredibly large, much like a truck.
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Joe
1972 Mom's Squire Wagon 1972 Torino Wagon 1976 Torino 1968 Cougar XR7-First batch 1972 Torino 460 1989 BroncoII/Jeeps/Titanimous Popeye and Brutus (Rams) |
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Big Bird
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Posted: 15-October-2019 at 2:22PM |
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These are 10" and 11" drums, 2" wide, and 2.5" wide. Brake backer plates are different for each. Pull a wheel off and look for the size stamped on the drum.Check the bolt pattern on any drums you are buying as well, 4.5" bolt pattern and 5" bolt pattern both exist.
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"What we do in full frontal view, is more honest than your cleaned-up mind."
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russosborne
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Posted: 15-October-2019 at 5:52PM |
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Thanks.
Yeah, lots of choices. Hopefully I can do it without pulling the drum. That's never fun for me. But if I have to I will. Disks are the long term solution, but not soon. Russ
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