| [GMCnet] P-30 MC [message #297742] |
Sun, 20 March 2016 18:48  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
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Senior Member |
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We're installing disc brakes on my son's GMC. It's been 14 years since I
last did this upgrade "from scratch", so I'm rechecking all the parts
recommendations.
We need to install a larger MC. The when I did it in 2002, I installed a
Bendix 11641. Now, when I use the AC Delco parts interchange site
The recommended AC P/N is 18M1887 and a list of several hundred
applications is returned.
When I search the Cardone Master Cylinder ID Guide
<
http://www.pageturnpro.com/CARDONE-Industries/56617-Master-Cylinder-Id-Guide/index.html#1
>
I get their numbers 10-1641 and 10-1668 as having the same bore and port
sizes.
When I enter either of those Cardone numbers at the AC Delco site, it
returns the same 18M1887 number. BUT, when I go to the various (AutoZone
and OReilly's)
they list numbers similar to the Cardone -1641 and -1668, in both new and
used variants, and at different prices for -1641 and -1668.
There's obviously SOME difference between the -1641 and the -1668. From AC
Delco's offering one part for both of them it must be trivial. But is one
of them "smaller" than the other -- or "bigger"? WHAT IS THE DIFFERENCE?
Does anyone have any idea? I've got a used 11641 which we'll probably
install now, but I'd REALLY like to know what the P/N discrepancies are all
about.
Oh yeah, one reference says the 11641 is for a P-30 with 13"x2.5" DRUMS!!!
Ken H.
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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