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Old 09-23-2005, 11:31 PM   #1
Brian Ringer
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Location: Great Salt Lake Area
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Type of brake system?

I have an 86 3/4ton suburban w/ factory tow package and need to replace the master cylinder. apparently there are a couple different brake systems. I looked on all the trucks tags and labels and didnt tell me what system. Does anyone know?
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Old 09-24-2005, 08:24 PM   #2
JIMs70GMC
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That's a good question that I would like to know also.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 09-24-2005, 08:35 PM   #3
BIGCHEVYMAN
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Dealer

It depends on what gvw you have. when i was buying brakes for my 93 i found out there was 3 different brake systems on these trucks. i have a friend that works at a chevy dealership in the parts depertment and he looked my trucks vin up and told me the gvw and what type of brake system it has.
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Old 09-24-2005, 08:47 PM   #4
Brian Ringer
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I'll call the dealership Monday and post what they say. I know my burb is 8600 GVW.
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