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02-14-2011, 05:29 PM
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#1 |
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Registered User
Join Date: Jul 2010
Location: Hemet,Ca
Posts: 1,502
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67 drums
Hey guys I have a noobie question. I have owned a 64 chevy truck had that for 6 or so years but I noticed the 67 brake drums are different them the 64. What is the spring around the drum? I noticed only 2 if i remember have them on my truck and the other 2 dont. Thanks
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02-14-2011, 08:21 PM
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#2 |
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Senior Member
 
Join Date: Oct 2009
Location: Greensboro, NC
Posts: 699
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Re: 67 drums
I'm not 100% sure, but I think they were put on to reduce vibration & noise.
__________________
 1967 Chevy C-10, 250 L6, Powerglide, 3.73, SWB, FleetsideUpgrades: Power steering, Offset air cleaner, Rear Sport bumper, 3 point safety belts, HEI, -1/-2 springs, 16x5 wheels, McGaughy's disc brake conversion, Sway bar |
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02-14-2011, 08:28 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 67 drums
vibration and noise is what I've always been told. Like when you run your finger around a wine glas... the ringing.
I've run a 69 GMC without the springs and was amazed that I did hear a tick of that ringing. |
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02-14-2011, 08:34 PM
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#4 |
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Registered User
Join Date: Jul 2010
Location: Hemet,Ca
Posts: 1,502
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Re: 67 drums
Oh okay cool. Was tripping out cause I dont have them on all of them and thought maybe they were missing. NO big deal now i know. Thanks fellas
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02-14-2011, 09:46 PM
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#5 |
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Senior Member
Join Date: Oct 2009
Location: Greensboro, NC
Posts: 699
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Re: 67 drums
Also, I think they only put them on the front drums. I don't recall ever seeing them on the rear.
__________________
1967 Chevy C-10, 250 L6, Powerglide, 3.73, SWB, FleetsideUpgrades: Power steering, Offset air cleaner, Rear Sport bumper, 3 point safety belts, HEI, -1/-2 springs, 16x5 wheels, McGaughy's disc brake conversion, Sway bar |
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02-14-2011, 10:03 PM
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#6 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 67 drums
they were on the rear of my old 69
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02-14-2011, 10:20 PM
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#7 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,817
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Re: 67 drums
They are for vibration and noise and as far as I know were only a factory item. I don't remember seeing any aftermarket drums with the springs although some had the groove so you could transfer the springs to the new drums.
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02-14-2011, 11:40 PM
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#8 |
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Registered User
Join Date: Oct 2002
Location: West Des Moines, Ia
Posts: 3,233
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Re: 67 drums
i have seen them on front and rear drums but i wonder if it was like a dealer added thing that was maybe added if someone was complaining about thier truck cause i have seen the same year trucks with and without them
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Krazy Texan My Trucks are made with Wrenches not Chop Sticks 1967 GMC 3/4 ton "Johnny Cash" 1990 v1500 suburban 1967 Ford f100 Swb 4x4 "green bean" GOD BLESS JESUS, JOHN WAYNE, AND THE ALAMO |
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02-15-2011, 01:55 AM
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#9 |
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Registered User
Join Date: Aug 2009
Location: Tomball, TX
Posts: 578
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Re: 67 drums
They're on all four of my drums, I kinda doubt something like that would be just a dealer add-on.
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'68 C10 LWB 6.2NA/NP833 3.73's |
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02-15-2011, 02:52 AM
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#10 |
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Hand Crafted C-10
Join Date: Aug 2006
Location: Burien, WA
Posts: 5,180
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Re: 67 drums
Oh heck. Now I'm going to have to pull off my back wheels.
Thanks guys!!!  Actually, a great question. Never really thought about it and swapping out the springs sounds tortuous but ... doable. |
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02-15-2011, 08:27 AM
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#11 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 67 drums
aftermarket drums don't have the provisions for the spring, so those drums don't have them, the originals (and probably old aftermarket ones) had the groove
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02-15-2011, 12:28 PM
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#12 |
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Registered User
Join Date: Jul 2010
Location: Hemet,Ca
Posts: 1,502
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Re: 67 drums
On my truck ony the driver front has it and the rear passanger has it..So should be fine. I dont think its a must to have it right?
Last edited by 50bomb; 02-15-2011 at 12:28 PM. |
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02-15-2011, 01:36 PM
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#13 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 67 drums
no it isn't a must have... like mentioned above, the aftermarket ones (all you can buy new) don't have them nor the provisions for them
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