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PostPosted: Sat Oct 15, 2016 2:43 pm 
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Location: Hedge End, Hampshire
Hi all,

I was looking on the Webcon site today for IBF stuff and stumbled across an inlet manifold to fit a Weber DCD/DGV to a 1.1 OHV engine, it's a bit expensive and I know in the long run it would be cheaper to fit a bigger engine to obtain more power but for anyone who likes a challenge then here's something to help towards it.

http://www.webcon.co.uk/shopexd.asp?id=10547

Pete

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PostPosted: Sat Oct 15, 2016 7:33 pm 
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Joined: Fri May 23, 2003 11:04 pm
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Location: County Durham.
Dgv on a 1.1?!!
Not the first, second, third or fourth pick of carburettor I would pick for a 1.1.
Having said that, a 1.1 ohv can run a set of twin 40's. Again, far from ideal....

Jason.


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PostPosted: Sat Oct 15, 2016 9:43 pm 
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Joined: Mon Jun 22, 2009 8:22 pm
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Location: Hedge End, Hampshire
Jason wrote:
Dgv on a 1.1?!!
Not the first, second, third or fourth pick of carburettor I would pick for a 1.1.
Having said that, a 1.1 ohv can run a set of twin 40's. Again, far from ideal....

Jason.


I was thinking that but a DCD would work fine once all the right chokes and jets where fitted, if I still had my old DCD and the big box of chokes and jets I had when I had my Imp, I'd be tempted to try it out but it's the throttle linkage that still causes problems.

Pete

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PostPosted: Sun Oct 16, 2016 8:21 am 
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I do have a dgv on a 1.1. It was done by Janspeed in the 90s. I have had to set up with jets to get it tune up. I have it with a fst1 cam shaft. It works very well. My only criticism is that the manifold is a little bigger so it fouls up the distributor cap. I also have a 4 branch extractor manifold but currently I am running a standard one.

I am led to believe that this was an X series mod for UK ford dealers whereas in Germany this would have been a twin dcnf set up.

I thought the manifold was no longer available but it looks webcon may now be making some.


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PostPosted: Sun Oct 16, 2016 7:25 pm 
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Location: County Durham.
What's it like on petrol?

From what I've been told the dgv is poor on fuel.
I don't know the dcd.
I was told a dgav on a zetec will give less power than set up twin 40's but similar fuel levels.
The dgav being similar to the dgv woUldale be equally poor on a 1.1.
:eh:

Should make a nice induction noise though. :)

Jason.


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PostPosted: Mon Oct 17, 2016 5:42 am 
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Joined: Mon Jun 22, 2009 8:22 pm
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Location: Hedge End, Hampshire
Jason wrote:
What's it like on petrol?

From what I've been told the dgv is poor on fuel.
I don't know the dcd.
I was told a dgav on a zetec will give less power than set up twin 40's but similar fuel levels.
The dgav being similar to the dgv woUldale be equally poor on a 1.1.
:eh:

Should make a nice induction noise though. :)

Jason.


I don't think there's a great deal of difference between Weber twin chokes, they're designed to do the same job at the end of the day but it's all the advancements in technology that has been added over the years (things like anti run on solonoids etc) I know a couple of Weber twin chokes don't have the secondary stage and open both barrels at the same time and basically all the differences are between them over the years has been size, base fitment, top air filter fitment and advancement in linkages and materials used.
The DCD is a fantastic carb as you can remove and replace all the innards with different sizes of chokes and jets (a bit like the DCOE and the main and idle jets being accessed from the outside, so no stripping needed) thus being able to fit a multitude of engine sizes and stages of tuning, as long as you can get a twin choke Weber manifold to fit the perticuler engine then the DCD can be tuned to it, it obviously has it's limitations due to barrel sizes but for smaller engines it brilliant and if the engine gets even more tuning done to it the carb can easily be adjusted to the level of tuning done with a tweak of a choke or jet and not having to replace the whole carb, which can get expensive.

Pete

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PostPosted: Mon Oct 17, 2016 10:25 am 
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Location: County Durham.
Umm. .
You've got me thinking now.

I plan on building a 1.3 ohv running a 1.3 mk1 dft.
But it looks like I might have to do some research on the dcd carb.

Either that.
Or I bite the bullet and fit injection *spit*...
Or.. Go whole hog, turn to the dark side, and throw an eco boost in it.
( which is a possibility )

Jason.


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PostPosted: Tue Oct 18, 2016 6:04 am 
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Joined: Mon Jun 22, 2009 8:22 pm
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Location: Hedge End, Hampshire
Jason wrote:
Umm. .
You've got me thinking now.

I plan on building a 1.3 ohv running a 1.3 mk1 dft.
But it looks like I might have to do some research on the dcd carb.

Either that.
Or I bite the bullet and fit injection *spit*...
Or.. Go whole hog, turn to the dark side, and throw an eco boost in it.
( which is a possibility )

Jason.


The DCD is an old carb now and I believe was fitted to the mk1 Cortina GT, all the ones I've had in the past (well over 20 years ago) have all been secondhand and worked fine, can't say how they all may work now as it seems it will be a case of getting one from Ebay, a few of the Weber suppliers still do a few bits for them but like most Webers, there's not much to go wrong with them, I'm sure if spindles have worn they can be sorted out by a specialist, an interesting development by Webcon is the retroject throttle bodies that are the same size as the Weber twin choke, they're not cheap and will need other bits to make them work but they could certainly produce some interesting results.

http://www.webcon.co.uk/shopexd.asp?id=15299

Not sure how much the above system would compare to fitting original injection to an engine (presuming the engine you have fitted ever had an injection system fitted to it?) , if you've got a CVH or Zetec then you're laughing but as for the Valencia engine I don't know, as we all know Ford seem to have mucked about with the OHV engines manifolds (so they won't interchange easily) and I can't remember if any of them ever came with injection (I think the KA may have or the mk3 fezza???)

Pete

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PostPosted: Tue Oct 18, 2016 1:28 pm 
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Joined: Fri May 23, 2003 11:04 pm
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Location: County Durham.
The HSC ( Whatever it's called ) got the single point injection gubbins.
Basically an injection version of a tld carburettor.

I'll probably stick with the 1.3 mk1 fiesta dft I already have.
It should work as I want it to. Be reasonable on petrol and able to be tuned for the application I intend on using it for.

Jason.


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