FYI, here is some info that may be of interest to readers.
Paul Bartz
> -----Original Message-----
> From: Bartz, Paul
> Sent: Tuesday, June 02, 1998 3:19 PM
> To: 'Ralph D. Edelbach'
> Subject: RE: Brake master cylinder?
>
> Ralph:
>
> The bottom two pictures # the web site show you the steel "cage" I
> spoke about, to which the air bags mount. It's quite simple in design
> and therefore very easy to install. You can see where the "cage" fits
> over and is secured on the front by the pins that the swing arm pivots
> on. On the back side of the "cage", the bolts that hold the center
> casting to the frame are backed out far enough for the flange on the
> backside of the "cage" to fit in place and are then pushed back in and
> secured.
>
> Hope you are able to see the two black air bags on either side of the
> top of the "cage".
>
> Other than connecting the air lines, that's all there is to the
> system. Almost a no-brainer! If interested contact Leigh Harrison
> for a brochure.
>
> Re the master cylinder, Leigh tells me that the P30 type master
> cylinder (mc) generates over a 1000# more force on the bake pads
> compared to the original. I've heard pros and cons about that. Leigh
> also tells me that the mc provides an increased brake fluid reservoir
> needed particularly if you go to the six-wheel disc brakes.
>
> I don't have my brake parts listing with me so can't comment on the
> price you quote for the mc. I'll look it up after I get home and get
> back to you.
>
> I recommend you contact Bobby Moore in Louisville, 502-964-6416 who
> can help you with the mc bracket situation. He fabricated one for his
> system as well as the rod (can't think of the proper word for it) that
> interfaces between the brake booster and the piston on the backside of
> the mc.
>
> Although I'm familiar with the sensitized brake booster, I'm not
> knowledgeable about what it takes to accomplish. Bobby, I believe,
> is. It's done primarily to accommodate handicapped drivers and allows
> a very light touch to brake. Given the weight of the GMC, it results
> in decreased pedal effort. Leigh Harrison also sells the sensitized
> booster.
>
> Glad to be able to share my knowledge of the coach with anyone.
> Remember, I was in your situation initially too.
>
> Paul Bartz
> -----Original Message-----
> From: Ralph D. Edelbach [SMTP:edelbach]
> Sent: Tuesday, June 02, 1998 2:09 PM
> To: s9d3452
> Subject: Brake master cylinder?
>
> Hi Paul:
>
> I went to the photos of the 4-bag rear suspension system and really
> can't make out very much. Oh well, some other time.
>
> Regarding the brake upgrade process - I have a message you sent on Mar
> 17 listing various parts needed to do the job. I've replaced the
> driver's side caliper with the 80mm unit and am getting ready to do
> the
> other side soon. Haven't been driving it so I'm in no rush. Your info
> was most helpful!
>
> I'm wondering about the benefits of fitting the larger master
> cylinder.
> Chevy wants $205 for a new unit and the parts houses all want more
> than
> that. Is it only because of the increased brake fluid capacity or are
> there some other advantages. Also, what is involved with fabricating a
> new mounting bracket for the cylinder? I have not looked at how the MC
> and booster are set-up so I might understand it better when I get into
> it.
>
> I spoke with Ray Eaton just a few minutes ago and he just uses a
> rebuilt
> regular MC but upgrades or "sensitizes" the brake booster. Do you have
> any info about the sensitizing process?
>
> I appreciate all the information that those who have experience share
> with us "newbies." Maybe I'll be able to help someone someday. Many
> thanks....
>
> Ralph Edelbach
Paul Bartz
> -----Original Message-----
> From: Bartz, Paul
> Sent: Tuesday, June 02, 1998 3:19 PM
> To: 'Ralph D. Edelbach'
> Subject: RE: Brake master cylinder?
>
> Ralph:
>
> The bottom two pictures # the web site show you the steel "cage" I
> spoke about, to which the air bags mount. It's quite simple in design
> and therefore very easy to install. You can see where the "cage" fits
> over and is secured on the front by the pins that the swing arm pivots
> on. On the back side of the "cage", the bolts that hold the center
> casting to the frame are backed out far enough for the flange on the
> backside of the "cage" to fit in place and are then pushed back in and
> secured.
>
> Hope you are able to see the two black air bags on either side of the
> top of the "cage".
>
> Other than connecting the air lines, that's all there is to the
> system. Almost a no-brainer! If interested contact Leigh Harrison
> for a brochure.
>
> Re the master cylinder, Leigh tells me that the P30 type master
> cylinder (mc) generates over a 1000# more force on the bake pads
> compared to the original. I've heard pros and cons about that. Leigh
> also tells me that the mc provides an increased brake fluid reservoir
> needed particularly if you go to the six-wheel disc brakes.
>
> I don't have my brake parts listing with me so can't comment on the
> price you quote for the mc. I'll look it up after I get home and get
> back to you.
>
> I recommend you contact Bobby Moore in Louisville, 502-964-6416 who
> can help you with the mc bracket situation. He fabricated one for his
> system as well as the rod (can't think of the proper word for it) that
> interfaces between the brake booster and the piston on the backside of
> the mc.
>
> Although I'm familiar with the sensitized brake booster, I'm not
> knowledgeable about what it takes to accomplish. Bobby, I believe,
> is. It's done primarily to accommodate handicapped drivers and allows
> a very light touch to brake. Given the weight of the GMC, it results
> in decreased pedal effort. Leigh Harrison also sells the sensitized
> booster.
>
> Glad to be able to share my knowledge of the coach with anyone.
> Remember, I was in your situation initially too.
>
> Paul Bartz
> -----Original Message-----
> From: Ralph D. Edelbach [SMTP:edelbach]
> Sent: Tuesday, June 02, 1998 2:09 PM
> To: s9d3452
> Subject: Brake master cylinder?
>
> Hi Paul:
>
> I went to the photos of the 4-bag rear suspension system and really
> can't make out very much. Oh well, some other time.
>
> Regarding the brake upgrade process - I have a message you sent on Mar
> 17 listing various parts needed to do the job. I've replaced the
> driver's side caliper with the 80mm unit and am getting ready to do
> the
> other side soon. Haven't been driving it so I'm in no rush. Your info
> was most helpful!
>
> I'm wondering about the benefits of fitting the larger master
> cylinder.
> Chevy wants $205 for a new unit and the parts houses all want more
> than
> that. Is it only because of the increased brake fluid capacity or are
> there some other advantages. Also, what is involved with fabricating a
> new mounting bracket for the cylinder? I have not looked at how the MC
> and booster are set-up so I might understand it better when I get into
> it.
>
> I spoke with Ray Eaton just a few minutes ago and he just uses a
> rebuilt
> regular MC but upgrades or "sensitizes" the brake booster. Do you have
> any info about the sensitizing process?
>
> I appreciate all the information that those who have experience share
> with us "newbies." Maybe I'll be able to help someone someday. Many
> thanks....
>
> Ralph Edelbach
