Hydro boost question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Rickysnickers** · 07-27-2019, 05:23 PM

Many of us have a Mustang II style front suspension. I am one of those. I use a Saginaw style power steering pump and I have put a flow restricter on the pump, so that the steering isn't overboosted or "twitchy." In using this restricter, does that adversely affect a hydrobooster? If so, what's the work around for getting rid of overboosted steering? Thanks.

**Rickysnickers** · 07-30-2019, 12:01 AM

Anybody know?

**mongocanfly** · 07-30-2019, 05:22 AM

I looked for a while for a answer to this and never could find a answer...but I saw layout schematics showing one in place...just not a answer to your question...

earl84 · 07-30-2019, 08:43 AM

I have a similar setup, but not a Mustang II frontend. I have a 79 pickup frontend. I have a Saginaw pump with flow restrictor and my Hydroboost brakes work well. I have had issues with a sticky front caliper, but I think my real problem there is a slight misalignment with the rotor, not a problem with the Hydroboost. Also, had to recently plumb in an adjustable proportioning valve, and replaced all the brake lines at the same time.
I found the restrictor a little too restrictive, and drilled the hole very slightly larger and liked it a lot better.

Campbel45 · 07-30-2019, 10:23 AM

watching this one

**Rickysnickers** · 07-31-2019, 10:23 AM

On the right path then, thank you fellas.

BR3W CITY · 08-01-2019, 10:41 AM

Where is your restriction installed? The return fitting on the booster unit (the goofy 5/16-24*3/8 Barb) has an orifice also that some folks have increased to allow greater return flow.. I've got an HB setup feeding off of an 07 pump to a 72 steering gear, and it's definitely overboosted...tho I've kinda grown to like it.

07-27-2019, 05:23 PM	#1
Rickysnickers Senior Member Join Date: Oct 2014 Location: Eagle, ID Posts: 3,063	Hydro boost question Many of us have a Mustang II style front suspension. I am one of those. I use a Saginaw style power steering pump and I have put a flow restricter on the pump, so that the steering isn't overboosted or "twitchy." In using this restricter, does that adversely affect a hydrobooster? If so, what's the work around for getting rid of overboosted steering? Thanks.

07-30-2019, 12:01 AM	#2
Rickysnickers Senior Member Join Date: Oct 2014 Location: Eagle, ID Posts: 3,063	Re: Hydro boost question Anybody know?

07-30-2019, 05:22 AM	#3
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,670	Re: Hydro boost question I looked for a while for a answer to this and never could find a answer...but I saw layout schematics showing one in place...just not a answer to your question... __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver

07-30-2019, 08:43 AM	#4
earl84 Registered User Join Date: Aug 2011 Location: Montrose, CO Posts: 972	Re: Hydro boost question I have a similar setup, but not a Mustang II frontend. I have a 79 pickup frontend. I have a Saginaw pump with flow restrictor and my Hydroboost brakes work well. I have had issues with a sticky front caliper, but I think my real problem there is a slight misalignment with the rotor, not a problem with the Hydroboost. Also, had to recently plumb in an adjustable proportioning valve, and replaced all the brake lines at the same time. I found the restrictor a little too restrictive, and drilled the hole very slightly larger and liked it a lot better.

07-30-2019, 10:23 AM	#5
Campbel45 Registered User Join Date: May 2013 Location: Greenwood, IN Posts: 379	Re: Hydro boost question watching this one

07-31-2019, 10:23 AM	#6
Rickysnickers Senior Member Join Date: Oct 2014 Location: Eagle, ID Posts: 3,063	Re: Hydro boost question On the right path then, thank you fellas.

08-01-2019, 10:41 AM	#7
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	Re: Hydro boost question Where is your restriction installed? The return fitting on the booster unit (the goofy 5/16-243/8 Barb) has an orifice also that some folks have increased to allow greater return flow.. I've got an HB setup feeding off of an 07 pump to a 72 steering gear, and it's definitely overboosted...tho I've kinda grown to like it. __________________ '66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD

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