Re: Power Brake Booster Adapter Bracket
 

Your original booster has a slightly different stud pattern than the boosters my bracket is designed to work with. Your booster is 3-1/2" x 3-1/2", and my booster bracket hole pattern is 3-3/8" x 3-1/2". You will just have to slightly elongate the booster mounting holes. Other than that and lengthening the booster pushrod the booster bracket will bolt right to your firewall. Let me know.

Re: Power Brake Booster Adapter Bracket
 

As far as I know it should work. But just to be sure, I would send the seller a message and ask him if the stud pattern on the booster is 3-3/8" x 3-1/2" center to center.

Re: Power Brake Booster Adapter Bracket
 

Haven't bumped this one in a while.........

Re: Power Brake Booster Adapter Bracket
 

Very cool product. Im looking to add hydroboost to my 72 and will use this if it will make it easier.
Whats the hot set up for hydroboost? What booster/ MC are people using in combo with your bracket? Im going with a dana 44 front and 14FF with disc in the rear if that matters.

Ive already added a hydro clutch setup using a MC from a 90s truck. Do you have a bracket for the 67-72 that incorporates a hydro clutch MC? I know everybodys setup is different, but will this bracket interfere with a hydro MC?
thanks

Re: Power Brake Booster Adapter Bracket
 

You can use most any hydroboost unit, with the mounting plate that I offer. Some of the late 80's early 90's Astro van units will bolt right up. As for the master for what you're doing, there is this master vylinder that seems to work well acording to the members over on CK5......

http://coloradok5.com/forums/showthread.php?t=174038

Although it seems that hood clearence is an issue with some installations.

No I do not make a hydro clutch conversion for the '67-'72's. It's hard to say if there will be any interference without actually seeing what you have.

Re: Power Brake Booster Adapter Bracket
 

payment sent via paypal

Re: Power Brake Booster Adapter Bracket
 

Your payment has been received Rob, and your booster bracket shipped today. Thanks :)

Re: Power Brake Booster Adapter Bracket
 

Hey Captain, I bought one of these... is it normal to have to trim the steering column bracket? Also, what bellows do you use to seal the hole in the firewall?

Re: Power Brake Booster Adapter Bracket
 

I am not aware of having to trim the column bracket. As far as I know the booster bracket should have enough clearance. As for sealing the hole, the bellows on the booster has been sufficient for me. There may be something that others are using that I am not aware of. Maybe the original for the '67-'72 trucks?

Re: Power Brake Booster Adapter Bracket
 

Thanks Captainfab. I received my bracket Saturday. Looks great. I'll post pics when I get it installed. Highly recommend to anyone wanting the booster closer to the firewall. Thanks again Captainfab
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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.

Re: Power Brake Booster Adapter Bracket
 

Whoa Captianfab, I just spotted that you're just over the river! :metal:

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.

Re: Power Brake Booster Adapter Bracket
 

ttt

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?

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.

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?
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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.

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.

Re: Power Brake Booster Adapter Bracket
 

I had a column shift bracket. Need to find a normal one.

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.

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

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!

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".

Re: Power Brake Booster Adapter Bracket
 

This will be a must when I am ready. Are you going to continue producing these?
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Re: Power Brake Booster Adapter Bracket
 

Yes, I plan on continuing to fabricate these.

Re: Power Brake Booster Adapter Bracket
 

Thanks!

Re: Power Brake Booster Adapter Bracket
 

Did you ever get around to the mod of your shift lever to see if that works?

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.

Re: Power Brake Booster Adapter Bracket
 

Do you know the size of your booster? Want to see if this will work for me..thanks

Re: Power Brake Booster Adapter Bracket
 

i can measure it tonite.. and advise.

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
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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

Re: Power Brake Booster Adapter Bracket
 

Got mine mounted with auto. Steering column, looks way better.
Attachment 1111460
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Re: Power Brake Booster Adapter Bracket
 

Here's another view.
Attachment 1111461
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Re: Power Brake Booster Adapter Bracket
 

Looks good :thumbs:

What diameter booster is that? It looks to be about 7"

Re: Power Brake Booster Adapter Bracket
 

It's about 8"
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Re: Power Brake Booster Adapter Bracket
 

Gonnuts-
Im thinking about buying this bracket myself. I want to use the 8" booster also. Your setup looks great! Did you have to mess with the steering column at all as previous members claim they have had trouble installing the bracket? Or maybe the previous members are using a bigger booster causing the problem with the linkage to steering column. Your feedback would be greatly appreciated as im just waiting on some solid answers to order the bracket.
Thanks.
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Re: Power Brake Booster Adapter Bracket
 

I have my column pushed in about 1 3/4" or so I believe(not sure I'd have to measure), and I have lots of room. I didn't do that to make the booster fit though, I did that when I put the column in for comfort. I turned the bolt around on shifter before I put the bracket because I thought I would need the space, but I don't think that was necessary and I plan on turning it back around.
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Re: Power Brake Booster Adapter Bracket
 

The guys that had the interference issue with the column shifter hitting the booster were using a typical 10-11" diameter OEM booster.