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Old 03-20-2002, 12:45 PM   #1
ty1295
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Join Date: Mar 2002
Location: jeffersonville, IN
Posts: 99
Post Disc brake upgrade

I just purchased a complete set of brakes to upgrade my drums. How much HAS to be changed? Are the A-Arms the same?

I assume I need the spindles on out, anything else?


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Jeff Scott
'70 GMC Stepside, Short box
'67 Camaro
'63 Nova
'92 GMC typhoon

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'95 Tahoe
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Old 03-20-2002, 12:55 PM   #2
busta9876
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Join Date: Oct 2001
Location: West Plains, Missouri, USA
Posts: 28
Post

i just finished my conversion,
what year is the doner spindals?
i used a 1976 1/2 ton. 5 lug.

used gearbox off the 76, but is same as 67.
used centerlink off the '76
new upper & lower ball joints for '76
new inner & outter tierod ends for '76
new brake calipers for '76
new brake pads for '76

used brake booster, proporiating valve from 76, along with brake lines from 76. there should be a slot in the frame infront of each upper a-arm to mount a new front brake hose. i re-routed the rear brake line to the 76. proporiating valve.

on the 76 i had to pull my brake pedal and drill a new hold for the push rod to work correctly. your best bet is to get a 71 disc doner truck. the boosters are the same, and only master cylinder has to be changed.

if you have any questions feel free to email me. i'd be happy to help you with them.

i decided to purchase new conponents on most of mine..might as well..tierods are liek $14, ball joints $15, calipers $13. that all depends on the year too!

good luck. -i think i'm gonna take some pics and make a websight dedicated to the disc conversion on the front.


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1967 SWB, 4-bolt 350 .030, corvette style aluminum 58cc heads, Victor Jr. intake, Holley 700 Dbl Pumper, MSD 6AL, MSD 8mm Super Wires, TH400, 3400 Stall, 3.73 12bolt rearend, front disc brakes, American Racing Outlaw II wheels.

- soon to have 150 hp NOS Big Shot
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1997 C3500 5.9L Cummins Conversion
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Old 03-20-2002, 01:01 PM   #3
ty1295
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Join Date: Mar 2002
Location: jeffersonville, IN
Posts: 99
Post

everything is off '72

i have everything, just wondering how much is necc.

------------------
Jeff Scott
'70 GMC Stepside, Short box
'67 Camaro
'63 Nova
'92 GMC typhoon

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'63 Nova
'92 GMC typhoon
'95 Tahoe
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Old 03-20-2002, 01:06 PM   #4
white68chevy
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Join Date: Feb 2001
Location: Hurst,TX,US
Posts: 301
Post

If you upgrade to the 71 disc brakes on a 68 do you have to upgrade to power brakes to or can i leave them manual.

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1968 swb
IM-Bufechevy56
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