[DMCForum] Re: Bill R's clutch master cylinder X-ref:
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[DMCForum] Re: Bill R's clutch master cylinder X-ref:


I am just not willing to rebuild mine. I haven't had a leak yet from
any hydraulic part I've replaced on the D, but every past piece I've
rebuilt blew out soon after.

Not gonna do it.

--- In DMCForum@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx>
> Cylinders are identical. I have one of each (Juley's not the only
> with an AMC). Compared them side by side. Even the part number cast
> into the cylinder is the same. I'm more certain of this than I am of
> importance of low RPM torque over high RPM "horsepower" (what an
> illusory measurement, since torque is one of the required variables
> necessary to calculate HP!).
> DeLorean clutch master uses 1/4" SAE (Society of Automotive
> hydraulic fittings. When I blew the piston out of my old one
> it, with an AMC kit thank you very much, rather than replace because
> the big Autozone warehouse was out of them at that time. They're
> in stock now), I used an SAE plug to cap off the outbound port. Of
> course it threaded in and sealed perfectly.
> Note that AMC used a different clutch master on the 6 cylinder. That
> reservior is built in, not remotely located. Don't think one of
> would fit.
> The pedal linkage is of course proprietary to DeLorean. You'll have
> transfer your old one to the new cylinder. Even if you rebuild it,
> linkage has to come off. No big deal -- has a big knob sandwiched
> between the piston and a washer/lockring into the cylinder. Squeeze
> the lock ring and it falls right out.
> AMC used a steel hydraulic line to the reservior, so you'll need to
> transfer DeLorean's 3/8" hose barb too. Again no sweat. Mine turned
> off a bit too easily for my tastes.
> Be careful with the brake hone. The rubber seal on the piston ain't
> hittin' on much. Take off too much material, or oval shape the
> cylinder, and it won't ever work right again. Made that mistake
when I
> first rebuilt my AMC's back in the 1980's. Am now running a parts
> house replacement (CarQuest, which doesn't list it anymore), rebuilt
> one more time with the BrakeWare kit. I just clean the cylinder out
> with solvent, flush it REAL well with brake fluid, then reassemble
> everything with the new rubber (that's all you get in the $15
> kit -- 2 pieces of rubber and a wave washer. Oh, they do give you a
> new cap and seal for the end -- have fun stretching it over the
> that holds the pedal linkage!).
> Regarding thread patterns: you've got a smorgasborg to choose from:
> - UNF (also known as "air brake". UNF-A is male and UNF-B is female,
> if I remember correctly. Sizes match actual pipe diameters)
> - NPT (this is the one plumbers use, especially fun because the pipe
> sizes DO NOT match actual pipe diameters -- 1/8" NPT is something
> 3/8" actual. Comes tapered and untapered)
> - SAE 45 degree (most automobile hydraulic systems. Diameter is of
> course tube, not fitting itself)
> - JIC 37 degree (same TPI and diameters as SAE, but the flare is
> different and won't seal)
> - BSPT (British version of NPT. Pipe sizes are the same, but TPI is
> *ONE* thread greater!)
> - Compression -- same TPI as one of the above, but diamters are
> different. Doesn't really matter because they won't seal without
> own special ferrules.
> Then there are the European patterns...
> Bill Robertson
> #5939
> >--- In DMCForum@xxxxxxxxxxxxxxx, "cruznmd" <racuti1@xxxx> wrote:
> > Bill says:
> >
> > "If anyone's interested: 1981 and later AMC
> > Spirit 4 cylinder (151 inch) clutch master cylinder is 100%
> > to DeLorean (transfer your old pedal linkage and reservior hose
> > $79.95 at Autozone.
> >
> > Bill Robertson
> > #5939"
> >
> > My question:
> >
> > Is the master cylinder threaded for an imperial or metric
> > line fitting? An American car that old probably didn't use metric
> > hardware. The cylinder may be identical, but it might have been
> > tapped for a non-metric fitting.
> >
> > Am I making any sense?
> >
> > Rich A.
> > #5335

Yahoo! Groups Links

Home Back to the Home of PROJECT VIXEN

Copyright 2006 ProjectVixen.com.  All rights reserved.

Opinions expressed in posts reflect the views of their respective authors.
DMCForum Mailing List Archive  DMCNews Mailing List Archive  DMC-UK Mailing List Archive