Hydraulic Power Brakes - The 1947 - Present Chevrolet & GMC Truck Message Board Network

adamls · 08-17-2003, 10:22 AM

Anyone used the hydraulic power brakes system off of the power steering pump? How is it?

**Yukon Jack** · 08-17-2003, 01:43 PM

I will be as soon as I have my truck back together. Some of the members over at coloradok5 use it and say it works well.

trukman1 · 08-18-2003, 06:55 AM

Adam,
The system you are talking about is the HydoBoost system found on 1-ton and diesel applications (i.e, 6.2L diesels). I have several friends who have made this change and love it. They did have to make slight modifications to the brake rod that attaches to the pedal and to the mounting bracket at the firewall. I will be installing mine within the next two weeks. According to one mechanic I talked to, the Hydro-Boost delivers almost three times as much braking pressure as a normal vacuum assist system.
Also, I have checked AutoZone and Advance Auto which each has the Hydro-Boost units for close to the same money, only differences to watch for is the core charge rates. Basically, w/core charges, boosters run approx. $200+ and the M/C approx. $100+. Local scrapyards may have them on larger trucks and motor homes for less. Hope this helps, Trukman1

adamls · 08-18-2003, 01:00 PM

Thanks for the info guys.

dubie · 08-18-2003, 01:58 PM

I have hydroboost brakes on my company truck. It's a 98 Dodge 3/4 ton 4x4 with a turbo Cummins diesel, and these brakes can bring this heavy truck to a stop in a really big hurry. The only bad thing about them is if you live where it gets very cold in the winter, such as here, you really have to work them on those cold mornings. They will freeze and start to whine like a dry power steering pump. Other than that, they are a bug bonus to have if you want fast stopping power

darksaga · 08-19-2003, 06:58 PM

www.hydroboost.com has a kit out but its not listed on their site at this time I emaied them and they sent me some pics and the intstall instructions

http://64.246.42.114/vboard/showthre...threadid=63223

trukman1 · 08-20-2003, 12:08 AM

adam, I went to Advance Auto today and ordered the booster and picked up the master cylinder. Since they price match their competitors I paid (prepaid order) $146.11 for the booster (plus core charge) and $24 for the master cylinder (again plus core charge). Core charges were around $69 if I remember right. Got tired of waiting to find one at the scrapyard while my truck sits. Besides, this way I know I get the right one. Will pick up booster tomorrow along with hoses and hopefully install everything this weekend. Will post results, as soon as I have it all together, to list any problems or modifications of this swap. Stay tuned! Trukman1

darksaga · 08-20-2003, 05:00 PM

what year truck did you get the hydroboost for?

and the hydroboost goes onto a plate and is reatined by a snap ring, you will probably need to fab that

adamls · 08-20-2003, 11:06 PM

I wonder if it could be modified to go under the dash, similar to Kugel Komponents, www.kugelkomponents.com.

08-17-2003, 10:22 AM	#1
adamls Gotta Startem Early Join Date: Oct 2001 Location: Amarillo, TX, USA Posts: 364	Hydraulic Power Brakes Anyone used the hydraulic power brakes system off of the power steering pump? How is it? __________________ 67 SWB In Progress, one piece at a time, maybe 3 years I will be finished

08-17-2003, 01:43 PM	#2
Yukon Jack Post Whore Join Date: Feb 2000 Location: Rose Hill, KS, USA Posts: 12,684	I will be as soon as I have my truck back together. Some of the members over at coloradok5 use it and say it works well. __________________ 1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14

08-18-2003, 06:55 AM	#3
trukman1 Registered User Join Date: Apr 2001 Location: Beavercreek, Ohio 45431 Posts: 737	Adam, The system you are talking about is the HydoBoost system found on 1-ton and diesel applications (i.e, 6.2L diesels). I have several friends who have made this change and love it. They did have to make slight modifications to the brake rod that attaches to the pedal and to the mounting bracket at the firewall. I will be installing mine within the next two weeks. According to one mechanic I talked to, the Hydro-Boost delivers almost three times as much braking pressure as a normal vacuum assist system. Also, I have checked AutoZone and Advance Auto which each has the Hydro-Boost units for close to the same money, only differences to watch for is the core charge rates. Basically, w/core charges, boosters run approx. $200+ and the M/C approx. $100+. Local scrapyards may have them on larger trucks and motor homes for less. Hope this helps, Trukman1 __________________ 1967 K30 461/TH400/Np205/D60/14FF/BDS MTZ 375/75/16 on 16x10 Pro Comps

08-18-2003, 01:00 PM	#4
adamls Gotta Startem Early Join Date: Oct 2001 Location: Amarillo, TX, USA Posts: 364	Thanks for the info guys. __________________ 67 SWB In Progress, one piece at a time, maybe 3 years I will be finished

08-18-2003, 01:58 PM	#5
dubie Registered User Join Date: May 2000 Location: Flin Flon, Manitoba, Canada Posts: 8,855	I have hydroboost brakes on my company truck. It's a 98 Dodge 3/4 ton 4x4 with a turbo Cummins diesel, and these brakes can bring this heavy truck to a stop in a really big hurry. The only bad thing about them is if you live where it gets very cold in the winter, such as here, you really have to work them on those cold mornings. They will freeze and start to whine like a dry power steering pump. Other than that, they are a bug bonus to have if you want fast stopping power __________________ My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795

08-19-2003, 06:58 PM	#6
darksaga Registered User Join Date: Nov 2002 Location: santa cruz cali Posts: 118	www.hydroboost.com has a kit out but its not listed on their site at this time I emaied them and they sent me some pics and the intstall instructions http://64.246.42.114/vboard/showthre...threadid=63223 __________________ 1968 gmc 3/4 4x4 longbed. built 469 700r4 (needs a th400 REAL SOON!), 14bolt ff rear 73 3/4 dana 44 1970 chevelle all wheel disc, tubular rear control arms tall spindle swap up front matching #'s 350 work in Progress

08-20-2003, 12:08 AM	#7
trukman1 Registered User Join Date: Apr 2001 Location: Beavercreek, Ohio 45431 Posts: 737	adam, I went to Advance Auto today and ordered the booster and picked up the master cylinder. Since they price match their competitors I paid (prepaid order) $146.11 for the booster (plus core charge) and $24 for the master cylinder (again plus core charge). Core charges were around $69 if I remember right. Got tired of waiting to find one at the scrapyard while my truck sits. Besides, this way I know I get the right one. Will pick up booster tomorrow along with hoses and hopefully install everything this weekend. Will post results, as soon as I have it all together, to list any problems or modifications of this swap. Stay tuned! Trukman1 __________________ 1967 K30 461/TH400/Np205/D60/14FF/BDS MTZ 375/75/16 on 16x10 Pro Comps

08-20-2003, 05:00 PM	#8
darksaga Registered User Join Date: Nov 2002 Location: santa cruz cali Posts: 118	what year truck did you get the hydroboost for? and the hydroboost goes onto a plate and is reatined by a snap ring, you will probably need to fab that __________________ 1968 gmc 3/4 4x4 longbed. built 469 700r4 (needs a th400 REAL SOON!), 14bolt ff rear 73 3/4 dana 44 1970 chevelle all wheel disc, tubular rear control arms tall spindle swap up front matching #'s 350 work in Progress Last edited by darksaga; 08-20-2003 at 05:02 PM.

08-20-2003, 11:06 PM	#9
adamls Gotta Startem Early Join Date: Oct 2001 Location: Amarillo, TX, USA Posts: 364	I wonder if it could be modified to go under the dash, similar to Kugel Komponents, www.kugelkomponents.com. __________________ 67 SWB In Progress, one piece at a time, maybe 3 years I will be finished

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