Hydroboost setup in '66 w/LS motor - The 1947 - Present Chevrolet & GMC Truck Message Board Network

BR3W CITY · 06-14-2012, 01:15 AM

I'm currently running manual brakes, disc up front (wilwood d52) and drums out back. I have an lq4 w/the hydroboost ps pump....so what do I need to get, and do to set it up?

I imagine I'll need the hydroboost unit, and a new master cylinder? OR does my MC mount to the hydroboost unit?

I'll probably need to get a mounting bracket from captainfab as well.

Does it matter which year parts I get, or do I have to use later model stuff because of the newer model ps pump?

OneOffStroker · 06-14-2012, 10:43 AM

http://www.67-72chevytrucks.com/vboa...d.php?t=523502

A thread I made up a couple months back. It's not a '66, but I can't imagine it would be much different. You're a crafty guy, so it shouldn't be too much of a headscratcher for you.

Good luck!

BR3W CITY · 06-14-2012, 12:50 PM

Ahhhh, ok...so that thread helps a bit.

This one i think shows me what I wanted to see. Its PS Pressure -> Boost IN -> Boost Pressure ->Steering In -> Steering Return -> Pump return ?

Whats with the capped return on the HB unit?

OneOffStroker · 06-14-2012, 01:26 PM

Quote:

Originally Posted by BR3W CITY

Ahhhh, ok...so that thread helps a bit.

This one i think shows me what I wanted to see. Its PS Pressure -> Boost IN -> Boost Pressure ->Steering In -> Steering Return -> Pump return ?

Whats with the capped return on the HB unit?

Yeah, you got it. I didn't have the install complete when I took those pics and posted the thread, so I guess it could be a little confusing. The capped return is indeed a low pressure return, and should not be capped. It gets T'd into the steering gear return, or more accurately, the steering gets T'd into it on its way back to the pump.

Some pics I just snapped today for you:

Custom 68 · 06-14-2012, 02:26 PM

did you do any modifications to the brake pedal? Or is it hooked up like Stock?

BLK2K2SILVY · 06-14-2012, 03:36 PM

Ive got a hb unit and ps pump off a 06 2500 to swap into my 1500, but I may just swap it into the c10.

OneOffStroker · 06-25-2012, 06:25 PM

Quote:

Originally Posted by Custom 68

did you do any modifications to the brake pedal? Or is it hooked up like Stock?

I didn't modify the brake pedal itself any, but I did a little work to the bracket itself, since I smoothed the firewall. I basically sectioned about 1.5" from the front of the bracket, because that's about how far back I moved the firewall when I smoothed it. CLick the link in post #2 for some shots of the clevis attachment to the pedal.

Here is a shot of the sectioned brake bracket:

06-14-2012, 01:15 AM	#1
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	Hydroboost setup in '66 w/LS motor I'm currently running manual brakes, disc up front (wilwood d52) and drums out back. I have an lq4 w/the hydroboost ps pump....so what do I need to get, and do to set it up? I imagine I'll need the hydroboost unit, and a new master cylinder? OR does my MC mount to the hydroboost unit? I'll probably need to get a mounting bracket from captainfab as well. Does it matter which year parts I get, or do I have to use later model stuff because of the newer model ps pump? __________________ *'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD

06-14-2012, 12:50 PM	#3
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	Re: Hydroboost setup in '66 w/LS motor Ahhhh, ok...so that thread helps a bit. This one i think shows me what I wanted to see. Its PS Pressure -> Boost IN -> Boost Pressure ->Steering In -> Steering Return -> Pump return ? Whats with the capped return on the HB unit? __________________ *'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD

06-14-2012, 02:26 PM	#5
Custom 68 Registered User Join Date: Nov 2001 Location: Springfield, MO Posts: 2,939	Re: Hydroboost setup in '66 w/LS motor did you do any modifications to the brake pedal? Or is it hooked up like Stock? __________________ Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"

06-14-2012, 03:36 PM	#6
BLK2K2SILVY Registered User Join Date: Jul 2009 Location: Bartlett, TN Posts: 88	Re: Hydroboost setup in '66 w/LS motor Ive got a hb unit and ps pump off a 06 2500 to swap into my 1500, but I may just swap it into the c10.

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06-14-2012, 10:43 AM	#2
OneOffStroker Registered User Join Date: Jan 2012 Location: Virginia Beach, VA Posts: 282	Re: Hydroboost setup in '66 w/LS motor http://www.67-72chevytrucks.com/vboa...d.php?t=523502 A thread I made up a couple months back. It's not a '66, but I can't imagine it would be much different. You're a crafty guy, so it shouldn't be too much of a headscratcher for you. Good luck! __________________ 1972 C10 "Shop Truck" Build - EFI, 5-speed, Posi, and Patina http://67-72chevytrucks.com/vboard/s...d.php?t=834292 1957 Chevy pickup - Twin Turbo 5.3/NV3500, Jag IFS & IRS, AirRide http://67-72chevytrucks.com/vboard/s...d.php?t=606987 Check me out on YouTube - "Tiny Garage Fabrication" http://www.youtube.com/oneoffstroker



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