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07-12-2011, 04:02 AM
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#1 |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,080
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3/4 & 1-ton brakes
Investigating brake info & was curious: What dictated the vacuum or Hydra-boost brake options? Was it strictly buyers choice? Vehicle weight? Did many 1-tons come w/vacuum brakes?
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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07-12-2011, 06:30 AM
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#2 |
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Join Date: Dec 2010
Location: Pittsburgh, PA
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Re: 3/4 & 1-ton brakes
I think all 1 tons came with hydraboost as well as anything with the 6.2 Diesel. Everything else got vacuum.
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Steve Member of the Foot Pedal Club '83 Chevy K20: 6" Rough Country, 3" Performance Accessories BL, Bushwacker Cutouts, 38x15.50 Mickey Thompson Baja Claws, 350 HP 350 crate engine from Jegs, Turbo 400 
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07-12-2011, 09:37 AM
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#3 | |
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Location: DALLAS,TX
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Re: 3/4 & 1-ton brakes
Quote:
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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07-12-2011, 10:17 AM
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#4 |
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Registered User
Join Date: Mar 2003
Location: wichita falls tx
Posts: 429
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Re: 3/4 & 1-ton brakes
I think the vacuum option listed under most parts store catalogs for 1 tons is an error. Hydraboost was standard on 1 tons SRW or DRW. I have never seen one (stock) with out it. Now if you could have special ordered one with vacuum brakes, IDK. Might be a question for Keith. Besides 1 tons I think it may have just been the 6.2s like Your41Plague12 said, and heavy duty 3/4 tons. I had a 84 C20 RCLB 454/SM465 FF14B and hydraboost. Now that I think about it, its possible that not all 6.2s got hydraboost. I know some had a vacuum pump to operate the Turbo400 if equipped. I'm sure that pump could have provided vacuum for the booster as well, again not 100% on that.
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"I'm Dirk Diggler enough to own and operate a vehicle of this caliber" -veinbar Dropped and LS Swapped SWB 87 Build Thread |
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07-12-2011, 12:11 PM
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#5 |
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Registered User
 
Join Date: Oct 2006
Location: Southern Kalifornia
Posts: 3,066
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Re: 3/4 & 1-ton brakes
My '73 C30 has vacuum brakes from the factory.
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------------------------------------------------------ -Lance 2000 Chevy C2500, 5.7, 4L80e 1999 Suburban K2500, 7.4, 4L80e 1980 Camaro..son's car...PROJECT |
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07-12-2011, 06:50 PM
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#6 | |
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Location: DALLAS,TX
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Re: 3/4 & 1-ton brakes
Quote:
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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07-12-2011, 07:17 PM
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#7 |
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Registered User
Join Date: Oct 2006
Location: Southern Kalifornia
Posts: 3,066
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Re: 3/4 & 1-ton brakes
I dont know yet, havent had the chance to get it put together. But I had a 1979 K30 with vacuum brakes and it did just fine....but with that being said, I plan on swapping over to hydroboost on this one. Mainly cause I dont want alot of vacuum lines running all over the place or leaking. When I am done I should only have 1 vac line,the distributor.
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------------------------------------------------------ -Lance 2000 Chevy C2500, 5.7, 4L80e 1999 Suburban K2500, 7.4, 4L80e 1980 Camaro..son's car...PROJECT |
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07-12-2011, 08:10 PM
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#8 | |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,080
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Re: 3/4 & 1-ton brakes
Quote:
The combined mess & visual impact of the multiple lines has me considering the simple vacuum boost as an alternative. I know nice, high-end/detailed HB systems are available, but @ a hefty cost vs. the KISS vacuum set-up.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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07-12-2011, 09:40 PM
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#9 |
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Registered User
Join Date: Oct 2006
Location: Southern Kalifornia
Posts: 3,066
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Re: 3/4 & 1-ton brakes
I am not going for asthetics,just dont like vacuum lines running everywhere. I am changing out the TH400 for a 4spd,so no vac there, I have always liked the hydroboost for it clamping power over the vac brakes. Also "I" think that a firewall looks cleaner(dont know why????) without the vac booster. But then again I havent had a leaky hydroboost either!
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------------------------------------------------------ -Lance 2000 Chevy C2500, 5.7, 4L80e 1999 Suburban K2500, 7.4, 4L80e 1980 Camaro..son's car...PROJECT |
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