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02-13-2010, 11:00 PM
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#1 |
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Registered User
Join Date: Jun 2008
Location: odessa,tx
Posts: 208
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Question on drum brakes
Does anyone with a 64-66 GMC know if the wheel cylinders for these trucks are the same for front and rear? Or are they different i.e. bore sizes at the front as apposed to the rear?Maybe this question has been raised before just can't find it.
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02-13-2010, 11:47 PM
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#2 |
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Registered User
Join Date: Aug 2003
Location: tool box
Posts: 3,115
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Re: Question on drum brakes
NAPAonline.com shows different part numbers for front and rear, so I'm going with them being different bore sizes.
Also, they are shaped different. -W |
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02-14-2010, 12:06 AM
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#3 |
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One foot in front of the other
 
Join Date: Aug 2008
Location: Parrottsville, TN
Posts: 5,442
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Re: Question on drum brakes
They are different. Rear is the one on the left.
Last edited by DPowers; 02-14-2010 at 12:06 AM. |
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02-14-2010, 02:32 AM
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#4 |
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Account Suspended
Join Date: Jul 2007
Location: Plumas Lake, Ca.
Posts: 1,009
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Re: Question on drum brakes
From memory the only parts the same front to rear are the shoes (Raybestos #280) and the drums.
The wheel cylinders (as previously stated) and hardware kits are different. |
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02-14-2010, 07:51 AM
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#5 |
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Registered User
Join Date: Jun 2008
Location: odessa,tx
Posts: 208
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Re: Question on drum brakes
Thanks fellers,I will proceed to the next level and rebuild and replace.Thanks again!!
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02-14-2010, 03:12 PM
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#6 |
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One foot in front of the other
Join Date: Aug 2008
Location: Parrottsville, TN
Posts: 5,442
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Re: Question on drum brakes
Just an FYI, When I did mine, I got a quote from RockAuto and took it to my local Advance Auto Parts. They matched it and I saved some $$$.
I don't know how familiar you are with doing drum brakes- especially front, I took a picture of mine before tear down. Sure helped when I put them back together. |
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02-14-2010, 05:28 PM
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#7 |
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Registered User
Join Date: Jun 2008
Location: odessa,tx
Posts: 208
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Re: Question on drum brakes
Yeah,drums aren't that difficult,I use to drive a 65 GTO when I was younger the set ups are pretty much the same as far as the system goes.
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02-14-2010, 11:25 PM
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#8 |
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Senior Member
Join Date: Aug 2009
Location: San Leandro, Ca 94577
Posts: 854
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Re: Question on drum brakes
Throw them away and convert to disks, you will not be sorry...I did that conversion over 20 years ago, the single best upgrade I ever did
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02-15-2010, 08:14 AM
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#9 |
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Registered User
Join Date: Jun 2008
Location: odessa,tx
Posts: 208
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Re: Question on drum brakes
Yeah,that is the plan,just not yet.I have an 86 GMC that I converted to 4 wheel disc and I know what you mean.
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