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09-06-2014, 08:53 PM
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#1 |
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Registered User
Join Date: Aug 2014
Location: Appomattox, VA
Posts: 12
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Which brakes do I have?
I've been looking to buy new front brake hoses for my '87 R10 Custom Deluxe on stylintrucks.com. The problem I'm having is they're listing hoses for trucks that have 11" x 2" brakes or 11 5/32" x 2 3/4" brakes. How do I know which brake package I have? Is their an RPO code or anything I need to look for?
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09-06-2014, 09:37 PM
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#2 |
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Registered User
Join Date: Jan 2010
Location: northern arizona
Posts: 259
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Re: Which brakes do I have?
Remove a rear wheel and drum and measure is the most exact way to find out.
__________________
"Off the grid and on the seven day weekend plan" "One person cannot know everything, but between all of us, there isn't much we don't know." |
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09-06-2014, 10:25 PM
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#3 | |
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Registered User
Join Date: Aug 2014
Location: Appomattox, VA
Posts: 12
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Re: Which brakes do I have?
Quote:
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09-06-2014, 10:39 PM
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#4 |
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Registered User
Join Date: Jan 2010
Location: northern arizona
Posts: 259
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Re: Which brakes do I have?
I know it sounds strange.
I needed new front calipers and brake hoses for my 83 C20 and the part number mattered for what brakes I had, and what rear axle. Since i have the big heavy duty 13" rear brakes, that told me the whole truck had the heavy duty parts, so different calipers and hoses.
__________________
"Off the grid and on the seven day weekend plan" "One person cannot know everything, but between all of us, there isn't much we don't know." |
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09-07-2014, 12:22 AM
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#5 | |
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Registered User
Join Date: Aug 2014
Location: Appomattox, VA
Posts: 12
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Re: Which brakes do I have?
Quote:
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09-07-2014, 05:57 PM
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#6 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,178
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Re: Which brakes do I have?
Probably. It's the most common system for an R10.
Here is the brake system release chart for 1987. See if this helps (they are released by GVW). K 
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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09-10-2014, 02:12 PM
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#7 |
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Registered User
Join Date: Aug 2014
Location: Appomattox, VA
Posts: 12
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Re: Which brakes do I have?
I checked my GVWR in my door jamb and it says 5200 lbs. Looking at the chart I assume that would mean its not the JB5 and should have the 11"x2" rear brakes?
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09-10-2014, 03:17 PM
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#8 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,178
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Re: Which brakes do I have?
Yes - sounds like you have the JB3 brakes.
K
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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