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Old 02-22-2010, 08:46 PM   #1
71meangreenc10
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Caliper Differences

Anyone know why there are different part numbers for the front calipers between the 71 and 72's?

Master cylinders = same
Pads= Same

just a thought......

Smitty
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72 Chevy Blazer 4X4, Sloppy Jo, Mountain Climber. Wife says no more trucks. http://67-72chevytrucks.com/vboard/s...d.php?t=707378
72 GMC 1 Ton Motor Home, wife said no more trucks until she saw this one. Gen 3 6.0/4L80E 4.10 http://67-72chevytrucks.com/vboard/s...d.php?t=761110
68 GMC Suburban was 3/4 ton, now 1/2.Wife shook her head
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71 C20 Scott-Bilt As weird as it gets..BB Cheyenne AC Truck
68 GMC Long Stepside. They keep following me home
69 C30 Former Motor Home, Flat Bed time
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Last edited by 71meangreenc10; 02-23-2010 at 06:30 PM. Reason: Too many T's
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Old 02-23-2010, 02:12 AM   #2
69 longhorn
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Re: Caliper Differences

IIRC, its the banjo fittings on the front hoses that were different.With the different fittings, the calipers were machined different for the brake hose....crazyAL
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Old 02-23-2010, 01:51 PM   #3
71meangreenc10
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Re: Caliper Differences

So will a 72 work with a 71 hose?

"Update"
The hoses are the same part numbers, so lets try it and see if it works....

Smitty
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71 C10 283/3SPD Full Resto
71 GMC 1500 Sierra Grande http://67-72chevytrucks.com/vboard/s...d.php?t=518599
70 C10 Suburban Former military GSA truck.
72 Chevy Blazer 4X4, Sloppy Jo, Mountain Climber. Wife says no more trucks. http://67-72chevytrucks.com/vboard/s...d.php?t=707378
72 GMC 1 Ton Motor Home, wife said no more trucks until she saw this one. Gen 3 6.0/4L80E 4.10 http://67-72chevytrucks.com/vboard/s...d.php?t=761110
68 GMC Suburban was 3/4 ton, now 1/2.Wife shook her head
71 C30 Wrecker
71 C20 Scott-Bilt As weird as it gets..BB Cheyenne AC Truck
68 GMC Long Stepside. They keep following me home
69 C30 Former Motor Home, Flat Bed time
70 G20 Red-E-Kamp Conversion "I'm your Boogy Van"

Last edited by 71meangreenc10; 02-23-2010 at 01:58 PM. Reason: Update
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Old 02-23-2010, 11:13 PM   #4
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Re: Caliper Differences

Quote:
Originally Posted by 71meangreenc10 View Post
So will a 72 work with a 71 hose?

"Update"
The hoses are the same part numbers, so lets try it and see if it works....

Smitty
I had a 71, that I replaced the caliper on.....also had to upgrade the hose to make it fit. Now if you look at the build date on the truck....after the 8th? month , that 71 was actually a 72. One had a square lookin banjo, & 1 was round. Which was which, was too long ago for this old man to remember I am running 75 pcs on my old truck. hope that helps,crazyAL Or maybe Napa sold me a 73 on caliper,for my 71, as the older ones were not available, & that required the brake hose to go with it?
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Last edited by 69 longhorn; 02-23-2010 at 11:41 PM. Reason: more info
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Old 02-23-2010, 02:03 PM   #5
michael bustamante
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Re: Caliper Differences

good question, I dont know if my set ups are 71 or 72, I figured they were both the same. I know 73 and ups are different
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Old 02-23-2010, 06:29 PM   #6
71meangreenc10
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Re: Caliper Differences

72-73 calipers are the same part numbers......i think it goes all the way up into the 80's for the calipers....

Smitty
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71 C10 283/3SPD Full Resto
71 GMC 1500 Sierra Grande http://67-72chevytrucks.com/vboard/s...d.php?t=518599
70 C10 Suburban Former military GSA truck.
72 Chevy Blazer 4X4, Sloppy Jo, Mountain Climber. Wife says no more trucks. http://67-72chevytrucks.com/vboard/s...d.php?t=707378
72 GMC 1 Ton Motor Home, wife said no more trucks until she saw this one. Gen 3 6.0/4L80E 4.10 http://67-72chevytrucks.com/vboard/s...d.php?t=761110
68 GMC Suburban was 3/4 ton, now 1/2.Wife shook her head
71 C30 Wrecker
71 C20 Scott-Bilt As weird as it gets..BB Cheyenne AC Truck
68 GMC Long Stepside. They keep following me home
69 C30 Former Motor Home, Flat Bed time
70 G20 Red-E-Kamp Conversion "I'm your Boogy Van"

Last edited by 71meangreenc10; 02-23-2010 at 06:31 PM.
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Old 02-24-2010, 03:48 PM   #7
Mike J
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Re: Caliper Differences

i've never understood why the '71 has a different hard line kit than the '72. Shouldn't the hardlines be the same routing? I've never seen 71 or 72 hardlines, I just know they are different part numbers in the catalogs...
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