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08-12-2015, 02:58 PM
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#1 |
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Senior Member
 
Join Date: Feb 2012
Location: chillicothe, illinois
Posts: 690
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86 brake booster
My 86 swb has manual disc brakes. I want to add a power booster but don't know what brake system to buy it for JB7 , JB5, JB3. Any help on this would be greatful, Thanks, wes
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08-12-2015, 03:55 PM
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#2 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,230
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Re: 86 brake booster
JB3 is the lightest duty power system and uses the same rotors and calipers as your manual brake system.
Here's the '87 brake system release chart. '86 should be the same. Note that the master cylinder is different between manual and power, as is the pedal ratio. 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/ Last edited by Keith Seymore; 08-12-2015 at 04:03 PM. |
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08-14-2015, 09:52 AM
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#3 |
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Registered User
Join Date: Sep 2014
Location: Texas
Posts: 215
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Re: 86 brake booster
I always use 1/2 ton Suburban booster and rear brakes.
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08-14-2015, 11:04 AM
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#4 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,230
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Re: 86 brake booster
That would be a little bit of an upgrade in the foundation brakes, too, since it is a JB5 system (bigger front rotor, little bigger rear brake, and tandem booster as opposed to the JB3 single diaphram booster).
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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08-14-2015, 12:02 PM
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#5 |
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Registered User
Join Date: Sep 2014
Location: Texas
Posts: 215
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Re: 86 brake booster
Yes, I plan on doing the front when I order the drop spindles but even like it is it has great stopping power.
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