I used a DGV 32/36 (manual choke) with a Pierce Manifold on a Triumph 1500
motor in a Midget. Vast improvement over the Stromberg and eliminates the
Smog pump and a host of other power sucking air lines, canisters etc...
It was incredibly easy to install and tune.
I would NOT recommend DCOE for a street car unless you have the time
patience and skills, or a ton of money to have a pro with a Dyno do the
tuning.
On an earlier car I would stick to SUs.
Warm Regards,
Tracy Drummond
PMP | ITIL Service Manager | CISSP | bighealey@charter.net | 408-394-3444
cell | 408-776-0133 home | http://www.linkedin.com/in/tracydrummond
-----Original Message-----
From: mgs-bounces@autox.team.net [mailto:mgs-bounces@autox.team.net] On
Behalf Of Richard Ewald
Sent: Thursday, January 28, 2010 9:39 PM
To: David Breneman
Cc: mgs@autox.team.net
Subject: Re: [Mgs] weber
Lots of incorrect information floating around this thread.
Webers for MGs come in two basic flavors.
A DGV down draft and a DCOE side draft.
The DGV series (DGV, DGAV, DGEV etc) are a simple basic carb. The kits for
MGs came out in the late 1970s as a replacement for the Penis Strom-turd the
factory put on the cars. IMHO this is about the best single upgrade for
this car.
As far as complexity goes a DGV is almost as simple as a single SU and
easier than dual SUs. You have replaceable jets. Idle, main, air corrector
and pump (if my memory serves). There are two whole screws to adjust, idle
speed and air balance (not mixture, air balance)
Once the correct jets are installed, and the float set it takes about 2
minutes to set the carb up. Nothing easier and they stay in tune. I have
done hundreds of them and they are super easy (and I HATE carburetors, but I
love SUs and the DGV)
Now a DCOE is a different kettle of fish. You have 7 main calibrated parts
to adjust to get the car to run correctly (Let's see if I can name them from
memory)(Idle, air corrector, emulsion tubes, mains, chokes, pump jets, and
aux venturi)(W00t! I did it) There are also a few minor ones that almost
nobody screws with.
So you remember algebra where you had to solve for 2 or 3 varibles? Here
you get to solve for 7. Not easy. I can do it, but it is not easy or fun.
If not perfectly set up, you will be fiddling with it just about forever.
However with that said, if you have a performance engine a DCOE will process
gasoline into power as good and probably better than any other carb. DCOEs
also look way, way cool.
but they are a pain in the ass to set up right. So you pay for that
coolness.
If you have SUs, I would keep them if they are at all serviceable. If they
are complete junk a DGV would be cheaper than a pair of new SUs (I think, I
have not priced lately).
Unless you are in competition or really want the wow factor stay away from
the DCOE it is truly a bear to get right.
$.02
Rick
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