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#1 |
Registered User
Join Date: Mar 2008
Location: Winnipeg, Canada
Posts: 52
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Auto shift linkage in way of power brake booster
I am in the midst of changing my '70 to power disc brakes and it seems that the power brake booster will not mount against my firewall because my shift linkage on my steering column is in the way. I am using (or trying to) a brake booster from my parts truck, an 84 gmc half ton. Those of you that have a power booster on your automatic half tons, what did you do about this problem? Did you find a booster that fits? Thanks in advance.
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#2 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Re: Auto shift linkage in way of power brake booster
67-72 boosters mount on a bracket away from the firewall.
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#3 |
Registered User
Join Date: Mar 2008
Location: Winnipeg, Canada
Posts: 52
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Re: Auto shift linkage in way of power brake booster
well my brake booster from the 84 also has a bracket thats about 3.5" deep. so the booster is about 3.5" away from the firewall if/when properly mounted. but still the bottom of the booster hits the shifter linkage when its in 'park'
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#4 |
Senior Member
![]() Join Date: Apr 2008
Location: Franklinton NC
Posts: 1,309
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Re: Auto shift linkage in way of power brake booster
Do a search for this there is a previous thread on this(I dont know how to do a link)You have to trim the bracket some.
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#5 |
Registered User
Join Date: Feb 2007
Location: Cali Central Coast
Posts: 5,191
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Re: Auto shift linkage in way of power brake booster
A picture might be helpful for us to figure it out with you -
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'67 SWB Fleetside ZZ4/350/Tremec 5-speed/4link/Scott's IFS - and fun as heck! SOLD ![]() Click here to support the board Philippians 4: 6-7 |
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#6 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Auto shift linkage in way of power brake booster
personally, I'd just get the right parts.
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#7 |
Registered User
Join Date: Mar 2008
Location: Winnipeg, Canada
Posts: 52
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Re: Auto shift linkage in way of power brake booster
the right parts... meaning a different (and smaller) brake booster? I found an old thread about a guy who cut a small slit into the metal piece which the rod connects to, and then he just bent that piece a little bit out of the way.
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#8 |
Registered User
Join Date: Aug 2007
Location: West Hills, California
Posts: 679
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Re: Auto shift linkage in way of power brake booster
Maybe this will help. My 69 came with a booster. Plenty of clearence. Sounds like you don't have a right set up.
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#9 |
Registered User
Join Date: Apr 2004
Location: Las Vegas, NV
Posts: 2,188
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Re: Auto shift linkage in way of power brake booster
Or, you may be able to use the Lokar universal kit like in this picture. I swapped mine over to it before going with a cable shifter. I liked the lokar rod much better; you can easilly adjust it so that your column indicator lines up perfectly and make it either firmer or softer switching between gears. Mostly, its a lot less bulky and might clear your booster.
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RIP EastSideLowLife '72 C20 SWB convert. 5 lug, LS1/4l60e |
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#10 |
Registered User
Join Date: Mar 2008
Location: Winnipeg, Canada
Posts: 52
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Re: Auto shift linkage in way of power brake booster
Tomorrow Ill try to get a picture that illistrate the problem. But it looks like Ill have to buy a different shaped booster.
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#11 |
Hellasick
![]() Join Date: Jul 2006
Location: Death Moans, IA
Posts: 876
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Re: Auto shift linkage in way of power brake booster
Think this is what you are looking for.
http://67-72chevytrucks.com/vboard/s...d.php?t=238199 I know there are some threads that show cutting and welding the bracket to get it to fit, but couldn't find it.
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I keep two MAGNUMS in my desk. One's a gun, and I keep it loaded. The other's a bottle and it keeps ME loaded. I'm Tracer Bullet. (Calvin and Hobbes) This life was a test. It was only a test. If this had been an actual life, you would have received instructions on where to go and what to do. RED meat is not bad for you...FUZZY BLUE/GREEN MEAT is bad for you!!!!!!!!!!!!! BUILT FORD TOUGH WITH CHEVY STUFF--sticker at Goodguys Last edited by 70C10Toejam; 06-08-2008 at 06:34 PM. |
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#12 |
Senior Member
Join Date: Sep 2004
Location: Terrell, TX
Posts: 1,967
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Re: Auto shift linkage in way of power brake booster
My 70 has that same bracket...the later model brackets won't work.
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Kelly '05 GMC Sierra SLE Z71 Bone stock except for new bed rail caps. |
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#13 | |
Registered User
Join Date: Jun 2008
Location: Jackson, Ca.
Posts: 674
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Re: Auto shift linkage in way of power brake booster
Quote:
http://67-72chevytrucks.com/vboard/s...d.php?t=215980
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Cable -K5 Blazer 2wd: 6.0 LQ4, 7875 Turbo, Tick Stage II Turbo Cam, Built 4L80e, RevMax Billet 3600, 9.5" 14 Bolt -Chevy 3+3 Crew Cab Dually: Cummins 12v P-Pump Swap, Compound Turbos, A2W Intercooler, NV4500HD, 4wd conversion, Radius Arms, Coilovers, Crossover Steering, etc Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=803608 |
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#14 |
Senior Member
Join Date: Sep 2004
Location: Terrell, TX
Posts: 1,967
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Re: Auto shift linkage in way of power brake booster
Guess I shoulda said 'without mods'. I suppose most any bracket can be made to work. I do like the look of a master cylinder that isn't at an angle like the stock bracket.
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Kelly '05 GMC Sierra SLE Z71 Bone stock except for new bed rail caps. |
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#15 | |
Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Auto shift linkage in way of power brake booster
Quote:
s/t
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. ![]() |
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#16 | |
Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Auto shift linkage in way of power brake booster
Quote:
s/t
__________________
1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. ![]() |
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#17 | ||
Registered User
Join Date: Jun 2008
Location: Jackson, Ca.
Posts: 674
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Re: Auto shift linkage in way of power brake booster
Quote:
Quote:
http://67-72chevytrucks.com/vboard/s...d.php?t=191143
__________________
Cable -K5 Blazer 2wd: 6.0 LQ4, 7875 Turbo, Tick Stage II Turbo Cam, Built 4L80e, RevMax Billet 3600, 9.5" 14 Bolt -Chevy 3+3 Crew Cab Dually: Cummins 12v P-Pump Swap, Compound Turbos, A2W Intercooler, NV4500HD, 4wd conversion, Radius Arms, Coilovers, Crossover Steering, etc Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=803608 |
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#18 | |
Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Auto shift linkage in way of power brake booster
Quote:
![]() But thanks for mentioning it! ![]() s/t
__________________
1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. ![]() |
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#19 |
Registered User
Join Date: Jun 2008
Location: Jackson, Ca.
Posts: 674
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Re: Auto shift linkage in way of power brake booster
I still think I will attempt it. I want shorten my steering column anyway for alittle more room, then I'll see if it will still work or not and post my results.
__________________
Cable -K5 Blazer 2wd: 6.0 LQ4, 7875 Turbo, Tick Stage II Turbo Cam, Built 4L80e, RevMax Billet 3600, 9.5" 14 Bolt -Chevy 3+3 Crew Cab Dually: Cummins 12v P-Pump Swap, Compound Turbos, A2W Intercooler, NV4500HD, 4wd conversion, Radius Arms, Coilovers, Crossover Steering, etc Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=803608 |
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#20 |
Registered User
Join Date: Jan 2007
Location: Topeka,KS
Posts: 778
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Re: Auto shift linkage in way of power brake booster
The 67-72's have a bellcrank that the pedal pushes on then the bellcrank rod pushes the booster/mc. the mod where you trim the bracket corner is for 3/4 tons. In my opinion on a 1/2 ton you would be better off getting the settup off a 67-72 half ton.
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#21 | |
Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Auto shift linkage in way of power brake booster
Quote:
I, like others don't like how far the original sticks out, and looking for something cleaner looking. ![]() s/t
__________________
1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. ![]() |
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#22 | |
Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Auto shift linkage in way of power brake booster
Quote:
![]() s/t
__________________
1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. ![]() |
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#23 | ||
Registered User
Join Date: Jun 2008
Location: Jackson, Ca.
Posts: 674
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Re: Auto shift linkage in way of power brake booster
Quote:
Besides, I already have a brand new booster for a '73-'87. No sense on spending money twice. Quote:
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__________________
Cable -K5 Blazer 2wd: 6.0 LQ4, 7875 Turbo, Tick Stage II Turbo Cam, Built 4L80e, RevMax Billet 3600, 9.5" 14 Bolt -Chevy 3+3 Crew Cab Dually: Cummins 12v P-Pump Swap, Compound Turbos, A2W Intercooler, NV4500HD, 4wd conversion, Radius Arms, Coilovers, Crossover Steering, etc Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=803608 Last edited by Ford Assassin; 07-11-2008 at 04:37 PM. |
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#24 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Re: Auto shift linkage in way of power brake booster
How about a hydroboost?
http://67-72chevytrucks.com/vboard/s...d.php?t=175714
__________________
![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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#25 |
Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Auto shift linkage in way of power brake booster
I think there too bulky. Plus all the extra lines that need to be run to the PS pump.
I'm convinced myself to go with a powermaster. s/t
__________________
1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. ![]() Last edited by Sport/Truck; 07-11-2008 at 08:35 PM. |
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