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#1 |
Forever Grateful
Join Date: Mar 2001
Location: Forney,Texas
Posts: 779
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rear disc on a 67
Have drum on rear now and want to convert to disc....can I goto the junkyard and get a rear disc off of any older chevy car or truck????? or do I need to buy aftermarket????
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R.I.P Dad 04-07-42 - 05-27-09 |
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#2 |
TOTY 2006
![]() Join Date: Dec 1999
Location: Magalia CA USA
Posts: 2,270
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Re: rear disc on a 67
there are some kits to convert your rear to disc, or with some fab work, you can use a ford nine from a lincoln continential... I have the nine under my 67.
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#3 |
Registered User
Join Date: Dec 2009
Location: DFW, TX
Posts: 764
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Re: rear disc on a 67
Look up CaptainFab
![]() http://67-72chevytrucks.com/vboard/s...d.php?t=249073 http://67-72chevytrucks.com/vboard/s...d.php?t=375640
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72 Cheyenne Super 1/2 LWB White/Dark Yellow 07 Avalanche 2LT 74 Sleek Craft Rebel Jet Boat W/Pontiac 400 Last edited by OhOneWS6; 01-05-2010 at 08:15 PM. |
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#4 |
Registered User
Join Date: Oct 2009
Location: Sacramento, CA
Posts: 161
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Re: rear disc on a 67
Is there really an appreciable benefit from converting the rear to disc?
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1972 Chevy C-10 ~ 188,000 miles give or take |
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#5 |
Registered User
Join Date: Oct 2007
Location: Sykesville MD
Posts: 357
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Re: rear disc on a 67
havent done it myself, but i have heard it is noticeble but not drastic, remember your front brakes do the majority of the braking 60-70%, it all depends why you want rear disc, alot of guys get them for bragging rights or so you dont see the drums through the wheels if you have big expensive wheels. maybe someone who has done the swap will chime in
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'55 3100 2nd series short-bed stepside '70 Corvette coupe stingray '71 Chevelle 2-dr coupe SS clone '71 C10 long-bed fleetside '83 long-haired brunette wife |
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#6 | |
Registered User
Join Date: Oct 2007
Location: Sykesville MD
Posts: 357
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Re: rear disc on a 67
Quote:
if you go with an aftermarket kit at least you will have tech support if you run into a problem.
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'55 3100 2nd series short-bed stepside '70 Corvette coupe stingray '71 Chevelle 2-dr coupe SS clone '71 C10 long-bed fleetside '83 long-haired brunette wife |
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#7 |
Moderator
![]() Join Date: May 2007
Location: Southern Cal
Posts: 20,006
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Re: rear disc on a 67
Not in my opinion....at least not for the cost involved. I have been told by brake guys that 90% of your stopping power comes from the front. If you look at how frequently the front pads are changed as opposed to the rear, I would say this is a pretty fair judgement. Is $500 to slightly improve that 10% stopping power in the rear really worth it? If you got big bucks, I say go for it. But if not, disks up front and drums in the rear work just fine.
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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#8 |
Registered User
Join Date: Oct 2009
Location: Sacramento, CA
Posts: 161
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Re: rear disc on a 67
That's along the lines of what I was thinking. . .I like your logic.
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1972 Chevy C-10 ~ 188,000 miles give or take |
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#9 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,980
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Re: rear disc on a 67
Quote:
Discs recover quicker vs. drums in extreme conditions (heat & water exposure).
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. Last edited by SCOTI; 01-07-2010 at 06:12 PM. |
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#10 |
Moderator
![]() Join Date: May 2007
Location: Southern Cal
Posts: 20,006
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Re: rear disc on a 67
Yes.
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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#11 |
Registered User
Join Date: Jun 2006
Location: Indiana
Posts: 4,859
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Re: rear disc on a 67
In the newer cars/trucks the emergency brake adjusts the rear drums. In the 60's and 70's, applying the brakes while backing up adjusts the brakes. Remember, the front drums do not have an emergency brake, yet they were self adjusting. Taxis used to have the auto brake ajusters removed because they backed up so often that the brakes screwed up.
I looked at going with rear discs or going with the "big" rear drum brakes. The cost was just too much for so little increase in stopping power. I'll wait a while longer. Front power disc brakes are another story all together. I spent a little less than $1k, but that included all new brake hardware from the brake pedal to the brake shoes. As well as all new suspension and steering parts. Basically, I have a new front end. Best money I ever spent on the truck.
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'70 GMC C1500 LWB Power disc brakes. WooHoo! Posi 6 Lug Dana 60 |
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#12 |
Between Trucks...
Join Date: Mar 2002
Location: Los Angeles, CA.
Posts: 3,830
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Re: rear disc on a 67
It's a lot nicer to change out brake pads then brake shoes.
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#13 |
Registered User
Join Date: Jun 2006
Location: Indiana
Posts: 4,859
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Re: rear disc on a 67
Yea, there is that.
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'70 GMC C1500 LWB Power disc brakes. WooHoo! Posi 6 Lug Dana 60 |
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#14 |
Moderator
![]() Join Date: May 2007
Location: Southern Cal
Posts: 20,006
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Re: rear disc on a 67
Yes it is, and that was pretty much the only reason I considered doing it
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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#15 |
Registered User
Join Date: May 2008
Location: houston,texas
Posts: 14
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Re: rear disc on a 67
Ask yourself that majic question, how often do you change either...
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#16 |
70 Chevrolet=Obsession
Join Date: Jun 2009
Location: nice ca
Posts: 1,067
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Re: rear disc on a 67
One other point is that rear disk brakes also come in handy if your hauling a heavy load.
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![]() ![]() ![]() I'm Just like my truck. Old, Ugly and Grouchy. Except my truck starts easily in the morning and doesn't smoke! IT'S NOT EASY BEING GREEN! -Kermit the frog 1970 Chevrolet C-10 Longbed Stepside : 350, Muncie M20, 3.08 GM corp. positraction Forest green exterior/light green interior(Where all my money goes) 1996 Toyota Corolla (Parts runner) |
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#17 |
Registered User
Join Date: May 2009
Location: Eliot, Maine
Posts: 1,314
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Re: rear disc on a 67
70% of your braking comes from the front. best source for a brake upgrade is another GM truck. those aftermarket kits are all the rage, but they use an e-brake in the caliper, not the seperate drum parking brake that is the better way to go. also, i'd prefer to have truck parts on my truck, not a mix of aftermarket and car parts that are out of place. year 2000+ 1/2 ton trucks have 6 lug wheels regardless of 2 or 4 wheel drive and disc brakes on the rear. i'd say do a retrofit if you can find a good condition donor in the junkyard. you get modern TRUCK brakes and its easy to get replacement parts at the local store. you don't have to send away for custom stuff. i may put factory rear disc from a 3/4 or 1 ton pickup or burb on my 72 burb 20 that has 8 lug rims. for now those big factory rear drums are pretty good, especially with disc brakes up front.
note: a drum shoe system can hold a wheel stationary far better than the caliper mounted e-brake because it has more surface area to clamp with. also, you always have a good e-brake because it isn't used for normal braking and you don't have to mess with an e-brake cable to change the disc brake pads. chrysler had the caliper e-brake design on the 87-88 daytona but came out with the seperate drum brake system for all their 89 and newer cars. it is a very slick setup that makes me realize how ridiculous many of those aftermarket kits are). looks don't always mean practical. Last edited by capev86; 01-13-2010 at 10:08 PM. |
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