| Re: [GMCnet] booster and master cylinder JIM K [message #128651 is a reply to message #128637] |
Sat, 04 June 2011 15:36   |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
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Senior Member |
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I agree with Jim H and Ken B.
On Sat, Jun 4, 2011 at 11:17 AM, James Hupy <jamesh1296@gmail.com> wrote:
> Gary, Unless you go to 6 wheel discs, the OEM MC will be sufficient, and in
> fact has a higher pressure capability depending upon how hard that you press
> on the brake pedal, can be as high as 1000 PSI. Both the OEM booster and the
> sensitized ones deliver about the same peak pressure to the MC, the
> difference is less pedal effort with the sensitized one. 80 MM caliper
> pistons on the front is a good upgrade, as is yellow ceramic brake pads on
> the front, with semi metallic linings on the rear. There are many opinions
> about rear brakes, mainly centered on discs vs drums or a combination of
> them. If you are considering the Chuck Algur reaction arm upgrade, you must
> run discs on the axle that you have the reaction arm on. If everything is
> shot on the drum brakes, replacement costs for disc upgrade is fairly
> attractive. If you are going to all discs, I would wait until the
> development is done on the ebrake setup, and change it all at the same time.
> If you do go to 6 wheel discs, then a MC with a higher volume of fluid
> displacement, similar to the P-30 will be required. Opinions vary somewhat
> on brakes, kinda like tires and wheels.
> Jim Hupy
> Salem, OR
> 78 GMC Royale 403
>
> On Sat, Jun 4, 2011 at 10:42 AM, Mr.erf ERFisher <mr.erfisher@gmail.com>wrote:
>
>> you will loose 300 pounds of pressure
>> http://gmcmotorhome.info/GMCBrakeCalcs.pdf
>>
>> from 1000 pounds to 700 pounds
>>
>> gene'
>>
>> On Sat, Jun 4, 2011 at 10:36 AM, Gary Worobec <gtw5@earthlink.net> wrote:
>>
>> > Jim,
>> > When adding the upgraded front suspension kit with the bigger rotors and
>> > calipers do think the P30 master cylinder and the sensitized booster
>> upgrade
>> > would make cents$/sense? as well or will the stock stuff handle it.
>> >
>> > Thanks
>> >
>> > Gary and Joanne Worobec
>> > 1973 GMC Glacier
>> > Anza, CA
>> >
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>>
>>
>>
>> --
>> Gene Fisher -- 74-23,77PB/ore/ca
>> “Give a man a fish; you have fed him for today --- give him a URL and
>> -------
>> http://gmcmotorhome.info/
>> Alternator Protection Cable
>> http://gmcmotorhome.info/APC.html
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
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