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06-09-2014, 08:31 PM
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#1 |
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Registered User
 
Join Date: Feb 2005
Location: Northeast--Bethlehem, Pennslyvania
Posts: 642
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Braking System
Question: Can I install a different Break booster and Master cylinder if I doing a complete truck rebuild? 1987,4X4.
I am doing a truck ground up, the original Master Cylinder is the big cast iron one. I would like to change it to the plastic one that you find in 1988 trucks. If so what do I need to make it work. Things like, Master cylinder, Power Booster, Proportioning valve. Thanks, John
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Big Blue ( John ) 79 Chevy Pick up.....My Dailey STILL Working on a frame up: 1987 Truck body on a 78 Blazer frame. Need cab blasted to start project. Got the cab BLASTED, Now Prep and Paint. Started to lay SOME BONDO and primer. Done, Ordering paint. Got paint, Stuff painted,Cab,Fenders, Hood more later. 9/7/2015 Got the clear coat on,now time to take one off. Started to put things back (What a nightmare) like the heating and AC stuff,inside wire harness, outside AC unit and booster, still more. May 2016, still working on the inside. Got duck work in,heating and AC. Radio (stock) in dash with after market in console later, Speaker are hooked up, Steering column is in. Getting ready to drop the cab onto the frame, Working on engine now since I have the room. Well here it is 2018, got the engine in and it runs, now I need to get the exhaust system in so I can adjust the lifters, to loud right now. Got the exhaust on now I am waiting for the break parts to come in. Last edited by Big Blue; 06-10-2014 at 11:53 PM. |
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06-10-2014, 02:16 PM
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#2 |
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Registered User
Join Date: Feb 2005
Location: Northeast--Bethlehem, Pennslyvania
Posts: 642
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Re: Breaking System
bringing it to the top.
I MADE Corrections in first post. Its a 1987 4x4 I need information to complete restore. Thanks, John
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Big Blue ( John ) 79 Chevy Pick up.....My Dailey STILL Working on a frame up: 1987 Truck body on a 78 Blazer frame. Need cab blasted to start project. Got the cab BLASTED, Now Prep and Paint. Started to lay SOME BONDO and primer. Done, Ordering paint. Got paint, Stuff painted,Cab,Fenders, Hood more later. 9/7/2015 Got the clear coat on,now time to take one off. Started to put things back (What a nightmare) like the heating and AC stuff,inside wire harness, outside AC unit and booster, still more. May 2016, still working on the inside. Got duck work in,heating and AC. Radio (stock) in dash with after market in console later, Speaker are hooked up, Steering column is in. Getting ready to drop the cab onto the frame, Working on engine now since I have the room. Well here it is 2018, got the engine in and it runs, now I need to get the exhaust system in so I can adjust the lifters, to loud right now. Got the exhaust on now I am waiting for the break parts to come in. Last edited by Big Blue; 06-10-2014 at 11:54 PM. |
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06-11-2014, 08:23 AM
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#4 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,229
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Re: Braking System
Hmm. My '87 came with the plastic brake reservoir.
Is yours a heavy duty (1 ton) truck? Here are the brake systems release charts for 1987, so you can see the technical details of the master cylinders available. If you match the internal bore and the external housing diameter (where it attaches the booster) you should be able to find what you need. K      
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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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06-11-2014, 07:13 PM
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#5 |
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Registered User
Join Date: Feb 2005
Location: Northeast--Bethlehem, Pennslyvania
Posts: 642
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Re: Braking System
Thanks Keith,
Sorry, the chart was to much for me to follow. Here's what I have. I believe the truck is a K30. I am right now down to the gutted cab (ready for the blaster). This cab is going on a Blazer frame.Since I have everything off the cab I thought maybe I can swap out the cast iron master cylinder for the plastic one when I go to put it back together. I was wondering what would I need to make the swap. I really thank you for responding. Thanks John
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Big Blue ( John ) 79 Chevy Pick up.....My Dailey STILL Working on a frame up: 1987 Truck body on a 78 Blazer frame. Need cab blasted to start project. Got the cab BLASTED, Now Prep and Paint. Started to lay SOME BONDO and primer. Done, Ordering paint. Got paint, Stuff painted,Cab,Fenders, Hood more later. 9/7/2015 Got the clear coat on,now time to take one off. Started to put things back (What a nightmare) like the heating and AC stuff,inside wire harness, outside AC unit and booster, still more. May 2016, still working on the inside. Got duck work in,heating and AC. Radio (stock) in dash with after market in console later, Speaker are hooked up, Steering column is in. Getting ready to drop the cab onto the frame, Working on engine now since I have the room. Well here it is 2018, got the engine in and it runs, now I need to get the exhaust system in so I can adjust the lifters, to loud right now. Got the exhaust on now I am waiting for the break parts to come in. |
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