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#51 |
Registered User
Join Date: Jun 2011
Location: Spokane, WA
Posts: 2,367
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Re: Power Brake Booster Adapter Bracket
I've got a '67 that had drum/drum and is still column shift. I've swapped to disc up front and am ready to go power. What is the advantage to your adapter vs. an aftermarket booster / cylinder combo? I'll be small block eventually and will ditch the column shift, but for now it'll have to work. Explain why I should use your adapter and what other parts i'll need to get or fab.
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'77 K30 3+3 - "The Crummy" http://67-72chevytrucks.com/vboard/s...d.php?t=640134 '67 C10 L/SWB - Soon to be daily driver! http://67-72chevytrucks.com/vboard/s...d.php?t=471776 ![]() |
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#52 |
Registered User
Join Date: Jun 2011
Location: Spokane, WA
Posts: 2,367
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Re: Power Brake Booster Adapter Bracket
Whoa Captianfab, I just spotted that you're just over the river!
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'77 K30 3+3 - "The Crummy" http://67-72chevytrucks.com/vboard/s...d.php?t=640134 '67 C10 L/SWB - Soon to be daily driver! http://67-72chevytrucks.com/vboard/s...d.php?t=471776 ![]() |
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#53 | |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,248
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Re: Power Brake Booster Adapter Bracket
Well as far as aftermarket booster brackets, mine is the only one that is a direct bolt on, with no hole drilling required. Plus mine does not locate the booster and master so far from the firewall as the factory style brackets do. But this is the reason mine will not work with the column shift. Once you have a compatable booster and the correct master for your braking system, you will have to extend the booster pushrod to connect with your brake pedal.
Yep, I'm not too far from you. Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#54 |
Registered User
Join Date: Jan 2011
Location: Wisconsin
Posts: 224
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Re: Power Brake Booster Adapter Bracket
ttt
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Always remember those that had your back Never forget those that turned it Demon 68- C20 (conv. 5 lug) 406sb, TH400, 12 Bolt, Red Slut 09- 1500 Crew Cab Z71, 2.5" Lift, Comp Cam, Deleted AFM/DoD, Diablo tuner |
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#55 |
Registered User
Join Date: Oct 2009
Location: Mountlake Terrace, WA
Posts: 260
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Re: Power Brake Booster Adapter Bracket
Did you ever get to the bottom of fit on the guy that had trouble fitting with auto column shift.
I didnt see anything?
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1950 Chevy 1500 1961 C-10 1969 C-10 1971 Chevelle 2008 Dodge HD3500 Tow Rig |
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#56 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,248
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Re: Power Brake Booster Adapter Bracket
I'm not sure I understand what you're asking. With most vacuum boosters, this bracket will not work on a column shift truck. If you use a hydroboost, then it should not be a problem.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#57 |
Registered User
Join Date: Oct 2009
Location: Mountlake Terrace, WA
Posts: 260
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Re: Power Brake Booster Adapter Bracket
I thought there was a post saying there was a problem with column shift and for some reason I was thinking automatic not manual.
Just to make sure it has the bugs work out. I'm going to get one Do you use the 71 proportioning valve with the 2000 s10 master / booster? Posted via Mobile Device
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1950 Chevy 1500 1961 C-10 1969 C-10 1971 Chevelle 2008 Dodge HD3500 Tow Rig |
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#58 |
Registered User
Join Date: Jan 2011
Location: Wisconsin
Posts: 224
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Re: Power Brake Booster Adapter Bracket
I'm going to cut a V the shift lever under the booster and cock it over so it doesn't hit the booster and then just cut the linkage bar to fit. So instead of it being straight it'll lean inboard at the top. I'll post pics when I get mine done.
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Always remember those that had your back Never forget those that turned it Demon 68- C20 (conv. 5 lug) 406sb, TH400, 12 Bolt, Red Slut 09- 1500 Crew Cab Z71, 2.5" Lift, Comp Cam, Deleted AFM/DoD, Diablo tuner |
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#59 | |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,248
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Re: Power Brake Booster Adapter Bracket
Yes there is a problem with the column shift. The shift lever hits most of the boosters that are used. Sounds like mmmBoost has an idea how to overcome the issue, but it sounds like he has not done it yet.
When I designed this booster bracket, I was working on a 4 speed truck that was going to be a floor shifter automatic. It did not dawn on me until after a member bought ont, that there was a problem with the column shifted trucks. Apparently this is why the factory brackets locate the booster so far from the firewall. You can use any disc/drum proportioning valve and master with any of the compatable boosters. Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#60 |
Registered User
Join Date: Feb 2011
Location: Beverly, MA
Posts: 472
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Re: Power Brake Booster Adapter Bracket
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#61 |
Registered User
Join Date: Dec 2011
Location: New York City
Posts: 648
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Re: Power Brake Booster Adapter Bracket
Captainfab,
What is the depth of your bracket top and bottom? Would the use of the '88-98 S10 (or similar) booster be essentially the same additional power as a 3/4 or 1 ton booster? It's just a matter of it being dual diaphragm? Do you know the diameter of the boosters you recommend? Does having the booster closer to the firewall lessen the stopping power of the power assembly because the arm is shorter and therefore has less leverage? I ask because, before coming across your bracket, I was wondering why I couldn't just mount the booster directly to the firewall. I'm just thinking it looks better without that deep, ugly bracket, and I'm running the straight six with the stock air cleaner, so I need the clearance. I hate the look of the offset I6 air cleaner that puts it over the valve cover...hate it. Your bracket may be the way to go if I can make sure I'll have the air cleaner and throttle cable clearance (because of the I6). I'm using a Lokar floor shifter, so the column shift is not an issue. Sorry for the twenty questions! Thanks. |
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#62 | |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,248
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Re: Power Brake Booster Adapter Bracket
I don't have the dimensions of my booster brackets handy. I am at home now and all of the parts I fabricate are at my shop. I can get you some measurements tomorrow.
The S10's had an optional dual diaphram booster that is aproximately 9" in diameter. It is identified with the RPO code of JM3 or JM5. This booster is similar to the '67-'70 C20/30 boosters. The diameter of the compatable boosters varies by application. I do not have a listing of those measurements. The distance the booster is from the firewall has absolutely no bearing on the leverage applied by the brake pedal Quote:
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#63 |
Registered User
Join Date: Dec 2011
Location: New York City
Posts: 648
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Re: Power Brake Booster Adapter Bracket
Captainfab,
Just wondering if you ever got the dimensions on your bracket. The depth top and bottom from the firewall in particular. Thank you, sir! |
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#64 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,248
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Re: Power Brake Booster Adapter Bracket
Sorry I didn't get back to you........been really slammed.
The top of the bracket is a little over 1-3/4" out from the firewall, and the bottom is a little over 2-1/4" out. So it is 1/2" difference over a span of 5".
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#65 |
Registered User
Join Date: Oct 2012
Location: Arlington Washington
Posts: 1,808
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Re: Power Brake Booster Adapter Bracket
This will be a must when I am ready. Are you going to continue producing these?
Posted via Mobile Device
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Scott 67 c10 sold 89 c1500 90 k2500 91 s10 #chevyonly ![]() |
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#66 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,248
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Re: Power Brake Booster Adapter Bracket
Yes, I plan on continuing to fabricate these.
__________________
Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#67 |
Registered User
Join Date: Dec 2011
Location: New York City
Posts: 648
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Re: Power Brake Booster Adapter Bracket
Thanks!
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#68 |
Registered User
Join Date: Jan 2012
Location: orange county, california
Posts: 363
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Re: Power Brake Booster Adapter Bracket
Did you ever get around to the mod of your shift lever to see if that works?
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#69 |
Registered User
Join Date: Jul 2005
Location: AL
Posts: 1,828
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Re: Power Brake Booster Adapter Bracket
Captainfab,
i purchased one of these brackets.. it works great.. i have a 3 on the tree manual.. i used the booster/MC from an Astro van.. i think i recall trimming the linkage a bit, but a little adjusting and it works like a charm.
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#70 |
Registered User
Join Date: Jan 2012
Location: orange county, california
Posts: 363
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Re: Power Brake Booster Adapter Bracket
Do you know the size of your booster? Want to see if this will work for me..thanks
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#71 |
Registered User
Join Date: Jul 2005
Location: AL
Posts: 1,828
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Re: Power Brake Booster Adapter Bracket
i can measure it tonite.. and advise.
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#72 |
Registered User
Join Date: Jul 2005
Location: AL
Posts: 1,828
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Re: Power Brake Booster Adapter Bracket
It appears to be 9in at largest diameter. I recall the end off one of the shift rods made contact with it but I trimmed it a minor amont
Posted via Mobile Device
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#73 |
Registered User
Join Date: Jan 2011
Location: Wisconsin
Posts: 224
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Re: Power Brake Booster Adapter Bracket
I actually ended up just grabbing a big A55 cresent wrench and bent it towards the front. It clears now but still have to get another linkage bar to see if it'll fit
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Always remember those that had your back Never forget those that turned it Demon 68- C20 (conv. 5 lug) 406sb, TH400, 12 Bolt, Red Slut 09- 1500 Crew Cab Z71, 2.5" Lift, Comp Cam, Deleted AFM/DoD, Diablo tuner |
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#74 |
Registered User
Join Date: Sep 2010
Location: Langdon, Ab
Posts: 348
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Re: Power Brake Booster Adapter Bracket
Got mine mounted with auto. Steering column, looks way better.
Posted via Mobile Device Posted via Mobile Device
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67 Chev SWB, 400 SB .040 over, vortec heads, comp XE268 cam, performer EPS intake, edel. 650 AVS carb, 700R4 |
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#75 |
Registered User
Join Date: Sep 2010
Location: Langdon, Ab
Posts: 348
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Re: Power Brake Booster Adapter Bracket
Here's another view.
Posted via Mobile Device
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67 Chev SWB, 400 SB .040 over, vortec heads, comp XE268 cam, performer EPS intake, edel. 650 AVS carb, 700R4 |
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