Thanks, I'll try to find the numbers tonight. They are very different in
appearance. The one on the dizzy with the 16 degree advance looks like the
one pictured in the Moss catalog. The one on the dizzy with the 10 degrees
of advance has the vacuum line connection to one side (not centered) of the
vacuum advance.
Thanks,
Ken
-----Original Message-----
From: ptegler@cablespeed [mailto:ptegler@cablespeed.com]
Sent: Monday, January 28, 2002 4:43 PM
To: Dodd, Kelvin; 'Ken Waringa'; MG
Subject: Re: Distributor choices - marking locations
...and some are stamped around the neck of the
vac unit right up at the nipple where the vac line
attaches.
Paul Tegler
wizardz@toad.net
www.teglerizer.com
----- Original Message -----
From: "Dodd, Kelvin" <doddk@mossmotors.com>
To: "'Ken Waringa'" <kwaringa@dynsys.com>; "Dodd, Kelvin"
<doddk@mossmotors.com>; "MG" <mgs@autox.team.net>
Sent: Monday, January 28, 2002 5:03 PM
Subject: RE: Distributor choices
> Ken:
>
> The numbers on the advance units are very hard to see. They are on
> the face towards the distributor (if I remember correctly) and may need
some
> emery cloth cleaning to become visible. They are there.
>
>
> Kelvin.
>
> > -----Original Message-----
> > From: Ken Waringa [mailto:kwaringa@dynsys.com]
> > Sent: Monday, January 28, 2002 9:00 AM
> > To: Dodd, Kelvin; MG
> > Subject: RE: Distributor choices
> >
> >
> > Kelvin and all. I looked at the vacuum advances from both
> > distributors, but
> > could find no numbers or identification markings on them. I
> > reconfirmed
> > that both are 25D4 distributors, the only outside difference is one is
> > marked 40897 A and the other is marked 40897 E. The internal
> > centrifugal
> > advances are different though. The one with the A is marked
> > 10 degrees and
> > the one with the E is marked 16 degrees. The mechanical stop for the
> > centrifugal advance is clearly different as well.
> >
> > If anyone could advise which of these distributors would be
> > best on a stock
> > street car. I plan to use the HIF carbs on the car.
> >
> > Thanks,
> >
> > Ken
> >
> > -----Original Message-----
> > From: Dodd, Kelvin [mailto:doddk@mossmotors.com]
> > Sent: Wednesday, January 23, 2002 2:14 PM
> > To: 'Ken Waringa'; MG
> > Subject: RE: Distributor choices
> >
> > Ken:
> >
> > Someone out there please double check me, cos I've got a 5pm
> > deadline and can't spend any more time on this.
> >
> > The records I have show the 40897 dizzy as being
> > original fitment on
> > 62-67 MGB definitely not for the 74 cars you have. Lucas
> > shows a 41288 unit
> > as the superceded replacement. The first 5 digits give the
> > part number, the
> > suffix is not used for identification.
> >
> > Any unit with the same 5 digits should be identical, given the
> > vagaries of production line, later modification and divine
> > intervention.
> >
> >
> > Based on dubious years of swapping bits, I'm banking
> > that both your
> > engines got dizzy swaps from the original rare bird 41491 to
> > the much more
> > available earlier unit.
> >
> > If you get me the part numbers off the vacuum advance
> > units which
> > may be 54411230 with the following legend 5.13.10 underneath
> > I can be of
> > more use.
> >
> > The problem is what carbies are you using? HIFies, or HS?
> >
> > It sounds like you may have a common case of mix and match,
> > and you are
> > asking the right questions to figure out what combination
> > will work the
> > best. First we gotta figger what you really have.
> >
> >
> > all the best
> >
> > Kelvin.
///
/// mgs@autox.team.net mailing list
/// or try http://www.team.net/cgi-bin/majorcool
///
|