Power Brake Booster |
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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Posted: 01-October-2016 at 11:47AM |
I've noticed new or remanufactured vacuum boosters are disappearing from inventories as was wondering if anyone had switched over to a different booster and/or master cylinder set up. I'm not looking to go hydro boost just looking to replace with vacuum assist. On parts guy suggested a set up for the 72 Galaxie/Monterey. According to him it's the same 11" single diaphragm style but I know it can't be that easy. Anyone got anything on this?
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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This looks like it's going to be painful.................. |
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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aquartlow
Senior Member Joined: 19-December-2011 Location: Summerfield, Fl Status: Offline Points: 2270 |
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Chuck,
I used a '93 or '94 Astro van hydro boost unit on my '79 Ranchero, these units are EASILY adapted to other vehicles due to their mounting bracket attachment design to the actual HB unit. These are not a bolt-up and go install, but neither is the Mark/Lincoln units. I bought a JY Astro HB unit from a U-pull-it yard for $25 and rebuilt the unit myself with this kit(it was $35 at the time): I also installed an '80 Corvette disc/disc MC due to booster pushrod length, MC design and fender side ports(more room for headers). Here is a pic during the "mock-up" process. Here is the finished HB install pic. Disassembly the HB unit for rebuild/resealing. ***WARNING*** Once you go with hydro boost you will want to kick yourself in the @ss for not doing it MUCH sooner. Hope this info is helpful. Todd
Edited by aquartlow - 03-October-2016 at 12:59AM |
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www.supermotors.net/22468
Yeah, It's a Hybrid...It burns gas and tires. No matter how good she looks, somebody, somewhere, is tired of her sh*t. Beauty is skin deep, ugliness goes clear to the bone. |
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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I'm running single groove pulley's because the car doesn't have power steering. I was hoping someone had maybe adapted a different booster. I noticed when I looked up one for a 72 Lincoln it also crossed over to the 73-74 Ranchero but as luck would have it, it's not available either.
Edited by lynchster - 03-October-2016 at 1:09PM |
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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aquartlow
Senior Member Joined: 19-December-2011 Location: Summerfield, Fl Status: Offline Points: 2270 |
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Yeah you definitely need a PS pump, preferably a Saginaw, for a HB install. I believe a vacuum booster from a '72-'79 intermediate "should" work, I removed my 11" vacuum booster for the HB install, utilizes the same "screwy" firewall bolt pattern as earlier Torino's/Cougar's. The 11" booster sits flatter against the firewall than the smaller diameter boosters.
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www.supermotors.net/22468
Yeah, It's a Hybrid...It burns gas and tires. No matter how good she looks, somebody, somewhere, is tired of her sh*t. Beauty is skin deep, ugliness goes clear to the bone. |
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Anton Olafsson
Member Joined: 06-April-2016 Location: ICELAND Status: Offline Points: 76 |
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I Installed a chrome Unit made for 71-73 mustang. It was not a direct fit. I made a adapterplate.
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Regards from ICELAND
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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Does anyone have both a 72 and a 73/4 11" booster for comparison purposes? It would appear the 1972 booster and master cylinder are one year pieces.
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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californiajohnny
Moderator Group Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14606 |
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i have a basic pic of mine before it put it back on the car if that will help? joe should have several of each sitting around!
there are companies that will rebuild/exchange boosters... i thought someone posted a company on here somewhere??? that does that. i ran across a company that rebuild boosters just the other night while looking through an older hemmings |
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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gnrlee01
Senior Member Joined: 04-August-2013 Location: iowa Status: Offline Points: 345 |
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other than fitment and engine bay space, does the actual size of the booster have any effect on its braking or any other performance ability?
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74 gts 460/auto with factory sunroof
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aquartlow
Senior Member Joined: 19-December-2011 Location: Summerfield, Fl Status: Offline Points: 2270 |
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On a single and/or dual diaphragm vacuum booster, the larger the diameter of the diaphragm the more braking assist it would have/give. The dual diaphragm booster will usually have a smaller diameter but will protrude further off the vehicle's firewall and will also have quite a bit more braking assist than a single diaphragm booster of similar diameter.
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www.supermotors.net/22468
Yeah, It's a Hybrid...It burns gas and tires. No matter how good she looks, somebody, somewhere, is tired of her sh*t. Beauty is skin deep, ugliness goes clear to the bone. |
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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The only thing I can figure is there has to be some difference in rod lengths. The 75/76 seem to have their own booster as well.
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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I might be able to use the booster I have but that's not a guarantee at this point. I'd blocked off the opening where master cylinder fits and it appears I can create a vacuum I just don't know if it will leak. I have learned a bit in research. The 72 uses it own booster the, 73/74 uses their own booster, and so do the 75/76. They all use a "tear drop" rear rod to attach to the pedal. The boosters for the 72 and 73/74 are apparently "obsolete" It appears the 75/76 are still available. Does anyone have a 75/76 booster laying around? I'm interested in the rear rod length and the bolt pattern measurements. The master cylinder is a whole new complication but not a major one. When I bought the stainless steel kit they told me they only had a pattern for a 73. I said send it, "they are the same car". Almost. I have to see what fitting the kit came with for the master cylinder. Apparently the 72 uses a 1/2" and a 7/16" fitting. The 73 uses a 1/2" and a 9/16" This is just internet info so I have to confirm it but I thought I'd put the info out there for everyone else. It would be nice to put together a dat base of this info like they have for the Mustangs.
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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gnrlee01
Senior Member Joined: 04-August-2013 Location: iowa Status: Offline Points: 345 |
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i would like to know what the difference is between the 74 through 76 torinos are...specially considering that theyre basically all the same style of car...
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74 gts 460/auto with factory sunroof
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californiajohnny
Moderator Group Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14606 |
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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californiajohnny
Moderator Group Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14606 |
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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72FordGTS
Admin Group GTS.org Admin Joined: 06-September-2005 Location: Ontario, Canada Status: Offline Points: 5802 |
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I agree with Johnny, you're best bet may be to send it off to have it rebuilt.
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Vince
1972 Ford GTS Sportsroof - Survivor, One Family car GTS.org Admin |
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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Thanks for the help guys
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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Didn't realize I've already posed this question. Refinished mine after soaking in evaporust but it appears to be over boosting. The brakes grab low and hard. They actually feel better drained of vacuum without the car running.
Here we go again.
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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