Hi Len
The 25D4 Dizzy is common to a lot of small 4 cyl engines in the UK. Triumph
used it on the Herald, and early Toledo and Dolomite, before the
introduction of the 45D4. I think it was also fitted to the Midget Sprite
and MGB, though others will Know for sure.
Graham.
2.5 PI MKII
Sprinted Dolomite
2000 MKI
Toledo
1300 Front Wheel Drive
http://www.triumph-iw.co.uk
----- Original Message -----
From: "L&B Lubbers" <lubbers@sympatico.ca>
To: "Spitfire (E-mail)" <spitfires@autox.team.net>
Sent: Saturday, August 12, 2000 11:51 PM
Subject: Re: Vacuum Retard unit
>
> Thanks again to all that responded so quickly AND for correcting me on the
> retard
> vs advance unit. I now understand that the vacuum retard unit was only
part
> of the stock electronic unit.
>
> After cleaning up the unit I can now read on the distributor that it is a
> Lucas 25D - obviously not a Delco Remy as I thought earlier. Haynes shows
> only a 45D4 or 45DE4 for Spitfires. Here's a question: What
> is the 25D off of?
>
> Len Lubbers
> Ottawa, Ontario
> '79 Spitfire
>
> -----Original Message-----
> From: L&B Lubbers <lubbers@sympatico.ca>
> To: Spitfire (E-mail) <spitfires@autox.team.net>
> Date: August 11, 2000 6:59 PM
> Subject: Vacuum Retard unit
>
>
> >
> >Hi all
> >
> >I am looking at my distributor and wondering whether there shouldn't be a
> >vacuum line attached to the ... well vacuum retard unit. This is not my
> >question... just wait. The timing was advanced right off the timing
scale,
> >which left the vacuum capsule tight up against the alternator with no
> vacuum
> >line attached. There is a small threaded pipe sticking out of the
capsule
> >which is where I would expect one to be attached.
> >
> >From my recollection of what I have read on the list, and what I see in
my
> >Haynes manual, the '79 Spit in North America came with an electronic
> >ignition (Lucas 45DE4 - It is no longer there and I do have points.)
This
> >explains why there is a 3 wire plug coming from the wiring harness and
> going
> >nowhere (but close the the distributor). It appears the PO (or the PO's
PO,
> >etc ... there were ten before me... and I'm envious of Reid) retrofited a
> >different distributor and left the vacuum retard unit jammed up against
the
> >alternator. Again, according to Haynes, it looks like a Delco Remy.
There
> >is a clicking thumb screw on one side.
> >
> >But I digress. After setting the timing to 10 BTDC, I am left with only
> >1/4" gap to the alternator ... hardly enough room to attach one of the
> >rubber elbows and thermowhatchamacallit plasitic vacuum line.
> >
> >THE QUESTION: Can this be rectified by playing musical chairs with the
plug
> >wires at the cap end and twisting the distributor 1/4 counterclockwise at
> >the clamp plate? This would put the axis of the thumb screw
approximately
> >perpendicular to the motor.
> >
> >This just in...the current thread regarding Paul Tegler's flaky advance
> >makes me ask: Should I bother connecting this?I have a stock single
> >Stromberg carb?
> >
> >Len Lubbers
> >Ottawa, Ontario
> >'79 Spitfire (11th owner and held the longest ... but it is for sale, you
> >know)
> >
> >
> >
>
>
>
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