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04-16-2010, 12:42 PM
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#1 |
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Registered User
Join Date: Jul 2009
Location: watertown, tn
Posts: 332
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brake booster?
what size and or type booster do our trucks need in order for me to convert over to power brakes?
thanks skeeterbug
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'71 LWB c10-"WORK" in progress  385 ci 4 bolt (4.040 bore), scat 6.0" forged h beams,scat forged crank 3.750, speed pro 5cc flat top, clevite bearings, .039 head gaskets,comp xr288hr 110* 288/294adv. 236/242@.50 555/576 lift, pbm hyd roller lifters, chad spiers 215cc imp. heads , comp 1.6 roler rockers, comp magnum push rods, edelbrock victor jr. single plane intake p&p (1206 gasket matched), quickfuel 750R DP , th 350 trans, 5.14 gear, 3000 stall 2012 best 1/8- 7.70 @ 87mph 1.70 60' (lil better) 2013 best 7.39 2014 best-7.38 New for 2013-strange rear coilovers, headman 1-3/4 headers, 5.13 r&p, .060 aluminum bed floor, 15x14 holeshots w/ 31x18.5 hoosier dot pro's, 15x4 holeshots w/ 26x5.5 m/t skinnies and 200+#'s in body weight loss & 6 point cage |
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04-16-2010, 11:50 PM
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#2 | |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: brake booster?
You can either use a OEM style for the '67-'72's or the bracket I make and choose from a few newer OEM applications for the booster. If your engine is low on vacuum you might want a dual diaphram booster. You can also go with hydroboost with my bracket. Let me know if you're interested.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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04-17-2010, 12:47 AM
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#3 |
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Registered User
Join Date: Jun 2008
Location: pensacola fl
Posts: 3,073
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Re: brake booster?
Ok I have a similar question. My 68 burb has power drums. I am swaping in 4 wheel disc. What master cyl or booster do I need? Also prop valve
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68 BB burb build thread Scott's super slam front/rear http://67-72chevytrucks.com/vboard/s...d.php?t=378084 |
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04-17-2010, 01:31 AM
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#4 | |
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60-66 Nut
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: brake booster?
A popular master to use is one for a '70's Corvette. You can also use most any disc/disc OEM master. As for the proportioning valve a safe one to use is a disc/disc valve either an OEM one or aftermarket. You can also use a combination of no prop valve and an adjustable on the rear, or a disc/drum prop valve with an adjustable on the rear. You just have to kind of try one first and then change accordingly to suit your needs. A lot of it depends on what you're using for your calipers and what size the rotors are as well as the bore of the master. The braking system as a whole will need to be tuned to your truck and driving style.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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04-17-2010, 04:53 PM
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#5 |
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Registered User
Join Date: Jul 2009
Location: watertown, tn
Posts: 332
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Re: brake booster?
captain fab i am going w/ one of you brackets, pm sent, what would be a good compatable dual diaphram booster to use with your bracket. im not sure on the vacum of my truck but it cant be real good, its just a 350 but idles pretty rough the po must have put a pretty wild cam in it. old school double hump heads, mild to wild cam and runs like a scalded dog belive me!!
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'71 LWB c10-"WORK" in progress 385 ci 4 bolt (4.040 bore), scat 6.0" forged h beams,scat forged crank 3.750, speed pro 5cc flat top, clevite bearings, .039 head gaskets,comp xr288hr 110* 288/294adv. 236/242@.50 555/576 lift, pbm hyd roller lifters, chad spiers 215cc imp. heads , comp 1.6 roler rockers, comp magnum push rods, edelbrock victor jr. single plane intake p&p (1206 gasket matched), quickfuel 750R DP , th 350 trans, 5.14 gear, 3000 stall 2012 best 1/8- 7.70 @ 87mph 1.70 60' (lil better) 2013 best 7.39 2014 best-7.38 New for 2013-strange rear coilovers, headman 1-3/4 headers, 5.13 r&p, .060 aluminum bed floor, 15x14 holeshots w/ 31x18.5 hoosier dot pro's, 15x4 holeshots w/ 26x5.5 m/t skinnies and 200+#'s in body weight loss & 6 point cage |
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04-17-2010, 10:48 PM
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#6 |
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60-66 Nut
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: brake booster?
The '82-'87 S10's used a dual diaphram booster.
__________________
Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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04-18-2010, 11:30 AM
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#7 |
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sharp as a marble
Join Date: Jan 2007
Location: atlantic beach,florida
Posts: 1,082
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Re: brake booster?
I have a 9"booster on my Blazer, and had the exact same on my C-10. I tried an 8" booster on the Blazer, but hated the way the pedal felt ( too hard ) did not feel like there was enough power assist.
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04-18-2010, 12:28 PM
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#8 |
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Registered User
Join Date: Jul 2009
Location: watertown, tn
Posts: 332
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Re: brake booster?
the 9" on your blazer is it the same as an s-10 booster like cap. fab suggested?
__________________
'71 LWB c10-"WORK" in progress 385 ci 4 bolt (4.040 bore), scat 6.0" forged h beams,scat forged crank 3.750, speed pro 5cc flat top, clevite bearings, .039 head gaskets,comp xr288hr 110* 288/294adv. 236/242@.50 555/576 lift, pbm hyd roller lifters, chad spiers 215cc imp. heads , comp 1.6 roler rockers, comp magnum push rods, edelbrock victor jr. single plane intake p&p (1206 gasket matched), quickfuel 750R DP , th 350 trans, 5.14 gear, 3000 stall 2012 best 1/8- 7.70 @ 87mph 1.70 60' (lil better) 2013 best 7.39 2014 best-7.38 New for 2013-strange rear coilovers, headman 1-3/4 headers, 5.13 r&p, .060 aluminum bed floor, 15x14 holeshots w/ 31x18.5 hoosier dot pro's, 15x4 holeshots w/ 26x5.5 m/t skinnies and 200+#'s in body weight loss & 6 point cage |
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