PB Booster bracket question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

HeavyD · 10-28-2004, 03:13 PM

Hi. I just received my used PB booster assembly and have a question about the brackets on the booster. Attached on the driver side bold/nut that hold on the master cylinder is 2 support brackets, one short and bending toward the front, and one long going to the rear of the truck. What are these brackets for? I have seen other trucks boosters and they did not have these that I can remember. It is going on a 1970 GMC 1/2 ton 2wd. I would post pics if I could get something besides a red X to appear where the pic should be.

Thanks everyone.

Tx Firefighter · 10-28-2004, 03:34 PM

The long, rearward pointing one is a brace to spread the stress load on the firewall.

The short, frontward facing one should be for the proportioning valve to bolt to.

HeavyD · 10-28-2004, 03:41 PM

Thanks, Tx. I should use these brackets then? Did all our truck originally have them?

Tx Firefighter · 10-28-2004, 03:44 PM

Yes, absolutely use them.

Here's mine. I pieced the part together. I still don't have the proper braces to go down to the firewall. I just have the one for the proportioning valve.

10-28-2004, 03:13 PM	#1
HeavyD Senior Member Join Date: Sep 2004 Location: Wakaw, Sask, Canada Posts: 3,180	PB Booster bracket question Hi. I just received my used PB booster assembly and have a question about the brackets on the booster. Attached on the driver side bold/nut that hold on the master cylinder is 2 support brackets, one short and bending toward the front, and one long going to the rear of the truck. What are these brackets for? I have seen other trucks boosters and they did not have these that I can remember. It is going on a 1970 GMC 1/2 ton 2wd. I would post pics if I could get something besides a red X to appear where the pic should be. Thanks everyone. __________________ "You can take the man out of PA, but you can't take PA out of the man"

10-28-2004, 03:34 PM	#2
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	The long, rearward pointing one is a brace to spread the stress load on the firewall. The short, frontward facing one should be for the proportioning valve to bolt to. __________________ I'm on the Instagram- @Gearhead_Kevin

10-28-2004, 03:41 PM	#3
HeavyD Senior Member Join Date: Sep 2004 Location: Wakaw, Sask, Canada Posts: 3,180	Thanks, Tx. I should use these brackets then? Did all our truck originally have them? __________________ "You can take the man out of PA, but you can't take PA out of the man"

10-28-2004, 03:44 PM	#4
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Yes, absolutely use them. Here's mine. I pieced the part together. I still don't have the proper braces to go down to the firewall. I just have the one for the proportioning valve. Attached Images __________________ I'm on the Instagram- @Gearhead_Kevin

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