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12-15-2009, 12:57 PM | #26 |
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Re: Disc Brake Upgrade Reference Thread
here is some 60-60 disc info for keeping the torsion bar
torsion bars and disc brakes http://67-72chevytrucks.com/vboard/s...d.php?t=375432 On the c20 spindle swap I used c20 upper joints in 62 arms, and centerlink tierods etc from c20
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62 GMC 910 short fleetside 454 super t10 14 bolt w/gov lock 70s c20 front discs (built in the 80s) 65 GMC 930 dualwheel 292 4spd all origonal 39k mi(my sons truck) 63 GMC 950 camperized school bus, (Gus the bus) 350 4speed 2 speed rear 64 GMC 950 "spare" bus 283? 4speed detroit locker 53 GMC 1ton dual wheel bus 78 GMC c25 short course off road race truck(son's truck) 355 th400 14 bolt (www.wheel2wheel.ca) 88 Peterbilt 379 longhood (hauls race truck) Last edited by 62gmc910; 12-15-2009 at 01:02 PM. |
12-25-2009, 03:23 PM | #27 |
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Re: Disc Brake Upgrade Reference Thread
Good info. thx
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12-25-2009, 04:22 PM | #28 | |
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Re: Disc Brake Upgrade Reference Thread
Quote:
Just curious about the drilled and slotted 1" rotors since I'm looking for a set. Do you know what brand they are or if they are for sale? (If you don't use them) The 1" rotors are "light duty" rotors that GM put on most of their 305 powered trucks in the early 80's. I never have figured our the exact combo that made GM decide which rotors they put on which trucks. |
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12-26-2009, 08:57 PM | #29 |
HOW long until spring??
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Re: Disc Brake Upgrade Reference Thread
subscribed!! Thanks for assembling all this info. Great stuff to know..
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01-02-2010, 12:54 PM | #30 |
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Re: Disc Brake Upgrade Reference Thread
Thanks for the great info, looks like i'm going with new ball jointsfor 73-87 and junkyard donor steering components and spindles. Great job!
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Slowly but surely getting it done. Last edited by onequickchevy; 01-02-2010 at 12:55 PM. |
01-02-2010, 01:30 PM | #31 |
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Re: Disc Brake Upgrade Reference Thread
Thanks for the great collection of information. I am filling this one for referance for later.
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01-02-2010, 06:41 PM | #32 |
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Re: Disc Brake Upgrade Reference Thread
Question for the disc brake conversion savvy. i have a 65 C10. i got 72 spindles & rotors,w/ new calipers,new balljoints & hoses. will they fit my 65 trucks A arms??? any help would be aprechiated.
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01-13-2010, 05:36 AM | #33 |
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Re: Disc Brake Upgrade Reference Thread
What are the advantages of swapping the crossmember to 73-87 unit (ground clearance, better geometry, ...)?
Is it in some way better then 63-66 crossmember? I have some options on some available parts. I already have upper and lower control arms, rotors and calipers in a box from the PO, though I don't know what year they are from yet. I might get some tubular upper control arms to correct some of the geometry and I'll be using dropped spindles and springs. So if the only advantage to the 73-87 crossmember is that it already has everything bolted to it and can be installed as a unit I'd probably be better off just switching out parts.
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Name: Rich Current Ride: 1964 C-10 Short Fleetside Daily Driver: 2005 GMC crew cab short fleetside /2001 Chevy Tahoe Past GM Trucks: 1959 GMC short stepside 1968 GMC short stepside-4x4 1973 Chevy short stepside 1989 Chevy short fleetside-reg cab 1993 Chevy short fleetside-Xcab 2002 Chevy short fleetside-Xcab Save the dinosaurs, use synthetic oil. |
01-14-2010, 12:48 AM | #34 |
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Re: Disc Brake Upgrade Reference Thread
To my knowledge the '73-'87 front suspension crossmember is basically the same as the '63-'72 crossmember. The only difference that I can think of is the '73-'87's use a larger diameter U-bolt to attach the LCA shafts. So consequently the holes in the crossmember are larger to accomodate. The older crossmembers can obviously be drilled out. I would recommend upgrading to the later model larger LCA shaft U-bolts.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
02-22-2010, 04:46 PM | #35 |
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Re: Disc Brake Upgrade Reference Thread
nice info
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02-27-2010, 03:31 PM | #36 |
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Re: Disc Brake Upgrade Reference Thread
Ive Got a 65 1/2 ton Chevy LWB and I have a 66 3/4 ton that I bought as a parts truck. I was planning on using the 3/4 ton frame and suspension to do a frame-up build then swithch the 65 body over to it.
My question is can I use the 3/4 upper and lower control arms interchangeably with the 1/2 ton control arms? or are they different. I was planning on just using a bolt on kit, but after going through this thread...WOW! I was avoiding doing late model parts swapping because I thought I would be in the dark on my own and end up f**ing it up. Thanks for organizing this! any help is greatly appreciated. also, how do i add this thread to favorites? Cheers! |
02-28-2010, 02:06 AM | #37 | |
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Re: Disc Brake Upgrade Reference Thread
If you are going to be building a frame from the ground up, I would suggest just swapping a complete '73-'87 C10 front suspension.....crossmember and all. Of course you can rebuild it all but that's what I would do. The only time you would want to use the C20 LCA's is when you use the '88-'98 spindles when going with 6 lug discs. The '66 C20 LCA's use a flat style shaft that bolts directly to the crossmember. So consequently there is no saddle to accept the C10 or later years C20's LCA's with round shafts.
To save this thread to your Favorites, just click on your 'Favorites' when viewing this thread, and when the drop down appears, click on 'Add to Favorites'. Then click on 'Add' in the next window that appears. Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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02-28-2010, 06:06 PM | #38 |
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Re: Disc Brake Upgrade Reference Thread
Awesome, Thanks for that response, It was totally what I was thinking by the time I got done reading the thread. I was able to pick up an 81 1/2 ton crossmember with disks and all steering linkage for $125 on my local craigslist.
Im so excited to upgrade the whole system at once and I will save a ton of cash using the oem late model suspension rather than bolt on CPP parts! I still might splurge on some aftermarket cross-drilled rotors though! Thanks again for a great Thread! |
02-28-2010, 06:44 PM | #39 |
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Re: Disc Brake Upgrade Reference Thread
I would considering rebuilding it before you do the conversion. It may be in great shape, but the parts are reasonable and you know everything is fresh.
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03-01-2010, 12:14 AM | #40 | |
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Re: Disc Brake Upgrade Reference Thread
Yep that will work good for you. I have to agree with N2TRUX that a rebuild of the front suspension and brakes would be a good idea. If the complete rebuild isn't in the budget, at least do the important and hard to do later parts. Keep me in mind for your steering box and brake booster mounting
Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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03-02-2010, 09:51 PM | #41 |
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Re: Disc Brake Upgrade Reference Thread
here is a question I have not found answered yet. I have a 60 torsion bar truck. I want to convert to spring with discs. I read the write up on putting the late 70's early 80's subframe in but it requires some drilling and time. My question is will a 63 to 66 sub frame bolt right up to mine so then I can swap to the later disc conversion?
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03-03-2010, 01:07 AM | #42 | |
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Re: Disc Brake Upgrade Reference Thread
A '63-'72 front crossmember isn't going to make any difference to speak of. There will still be a number of holes to drill. I would just go with a complete '73-'87 front suspension. I prefer those over the earlier years.
Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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03-03-2010, 03:31 PM | #43 |
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Re: Disc Brake Upgrade Reference Thread
well I figured if I used a 63-67 front crossmember then it would bolt straight on my frame then I could upgrade to the newer a arms and brakes. just figured if it would work then It would be easier.
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03-03-2010, 11:52 PM | #44 |
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Re: Disc Brake Upgrade Reference Thread
from what I have read the 73-87 crossmember requires drilling even on a 63-67 so this means it bolts up different on that frame also. seems to me that the frame on any 60-67 should be the same. so a 63-67 crossmember should bolt straight on??? can anyone confirm?
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03-04-2010, 12:06 AM | #45 | |
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Re: Disc Brake Upgrade Reference Thread
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03-04-2010, 12:11 AM | #46 | |
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Re: Disc Brake Upgrade Reference Thread
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03-04-2010, 12:26 AM | #47 |
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Re: Disc Brake Upgrade Reference Thread
ok that makes sense the write up I read just seemed like it would be a difficult task so I was looking for an alternative.
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03-17-2010, 11:36 AM | #48 |
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Re: Disc Brake Upgrade Reference Thread
Ok so I'm working on a 64 3/4 ton and Im trying to get this thing ready for the disk brake swap with 88-98 parts. My question is whether ABS parts would be a problem. I've found plenty of parts trucks but they have ABS and I don't know if you can just not hook it up.
Next question is whether anyone has determinded whether the ball joints from the 88-98 trucks will fit the UPPER a arms of the 64. (I know the lowers fit as described in this thread.) I called Checker auto and they said they had upper joints for both my 64 and an 89 but that there were a couple options for the 64 and that I'd have to bring in my original joint for comparison. Since this is a daily driver I just can't take it apart to see. Thoughts?
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03-18-2010, 12:06 AM | #49 |
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Re: Disc Brake Upgrade Reference Thread
The ABS being there isn't going to hurt anything. Just leave it unhooked. As for the upper balljoints, the only options I can think of is 1/2 ton versus 3/4 ton. The main differences in the upper balljoints are the taper that fits into the spindle. I'm pretty sure the '89 upper balljoint will bolt into the '64 arm.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
03-23-2010, 01:05 AM | #50 |
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Re: Disc Brake Upgrade Reference Thread
Great info! Thanks all for taking the time to gather and post it. I'll now be hunting for later model 3/4 spindles w/t 8-lug rotors, calipers & master cyl & booster + the complete steering linkage. Thanks again!
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