Brake booster - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Swedchevy67 · 02-01-2021, 01:04 AM

Need some answers about PB booster I bought.
The brake booster is for disc/drum and the
reason for that is that I was planning to
replace the front to disc. Now the corona
virus put me in a situation that the money flow
ended.
So my question is: Can I use the brake booster
and still have my drum/drum intact?

gmc684x4 · 02-01-2021, 01:36 AM

Yes the booster can be used on drum drum setup
It is the proportioning valve that will need to be for drum drum did you save the old one?

Your master cylinder will need to be the booster style as well the difference is the depth of the pocket non booster master cylinder have a deeper pocket

Swedchevy67 · 02-01-2021, 01:56 AM

Quote:

Originally Posted by gmc684x4

Yes the booster can be used on drum drum setup
It is the proportioning valve that will need to be for drum drum did you save the old one?

Your master cylinder will need to be the booster style as well the difference is the depth of the pocket non booster master cylinder have a deeper pocket

Thanks

Swedchevy67 · 02-01-2021, 01:57 AM

Quote:

Originally Posted by Swedchevy67

Thanks

.......and yes, I saved the old ones

Swedchevy67 · 02-01-2021, 02:25 AM

Quote:

Originally Posted by Swedchevy67

Thanks

Correct me if I’m wrong. So I need to have a booster with
less depth than the original????

Andy4639 · 02-01-2021, 03:13 PM

Master and booster have to match up. Boosters normally aren't disc or drums. Has nothing to do with the kind of brakes you have. The master has to match the booster you use though.

If your drum brakes you have now had a booster you don't need to change anything. If your truck never had a booster then you just need a master for drum to drum that you should already have. My ramp truck with manual drums front & back. I just added the booster.

02-01-2021, 01:04 AM	#1
Swedchevy67 Registered User Join Date: Apr 2016 Location: Stockholm Posts: 273	Brake booster Need some answers about PB booster I bought. The brake booster is for disc/drum and the reason for that is that I was planning to replace the front to disc. Now the corona virus put me in a situation that the money flow ended. So my question is: Can I use the brake booster and still have my drum/drum intact?

02-01-2021, 01:36 AM	#2
gmc684x4 Registered User Join Date: Jul 2012 Location: Whitehorse yukon Posts: 1,218	Re: Brake booster Yes the booster can be used on drum drum setup It is the proportioning valve that will need to be for drum drum did you save the old one? Your master cylinder will need to be the booster style as well the difference is the depth of the pocket non booster master cylinder have a deeper pocket

02-01-2021, 03:13 PM	#6
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,943	Re: Brake booster Master and booster have to match up. Boosters normally aren't disc or drums. Has nothing to do with the kind of brakes you have. The master has to match the booster you use though. If your drum brakes you have now had a booster you don't need to change anything. If your truck never had a booster then you just need a master for drum to drum that you should already have. My ramp truck with manual drums front & back. I just added the booster. Attached Images __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.



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