[T3] FI Dizzy for Carbs

[Jonathan Stiles]

nery nice find!


On Tue, Jun 10, 2014 at 3:06 PM, Craigs List <craigslistcsprings at gmail.com>
wrote:

> Look what I found. I will let you know how it works in a couple of hours.
> Thanks for pointing me in the right direction.
>
> http://images.thesamba.com/vw/gallery/pix/1218228.jpg
>
> Adam
> On Jun 7, 2014 10:42 PM, "Jonathan Stiles" <misterstiles at gmail.com> wrote:
>
> > Adam,
> >
> > The correct distributor for you setup is a "231 170 034" from a '74
> federal
> > Beetle. This is the distributor all aftermarket SVDA dizzys are built on.
> > It's not that the dizzy you have won't work, but it is not the correct
> one
> > so it won't function within its design. The vacuum advance curve
> > doesn't match the cam pulse profile for a dual port engine running dual
> > DRLA's. I have tried other combinations but it never worked right or
> > without a lot of fiddling around.
> >
> > My own personal VW runs dual 36mm Dells with a "034" dizzy with no
> > hesitation or idle issues. I have installed this combination on a half
> > dozen client cars with excellent results.
> >
> > The "034" times at 7.5 degrees BTDC at 850-900 RPM with the vacuum hose
> > detached and plugged.
> >
> > Hope this helps.
> >
> > Jon Stiles
> > Denver, CO
> >
> > On Saturday, June 7, 2014, Craigs List <craigslistcsprings at gmail.com>
> > wrote:
> >
> > > I'm back.......
> > >
> > > Mr Welton and I were discussing distributors last night. As of
> yesterday
> > I
> > > got the new Dell 36's going on my squareback. Although they run
> better,I
> > > still have the stumble off of the line and a stumble at low rpm
> > > accreditation.
> > >
> > > When looking at the numbers on my dizzy I finally realized that I have
> a
> > fi
> > > svda distributor. (Thanks Max) I was wondering what the differences
> > between
> > > the fi distributor and a dizzy for carbs are? Is the curve different?
> > Would
> > > funding a distributor designed for carbs help a lot, a little or would
> it
> > > be a waste of time?
> > >
> > > My current distributor is a 311 905 205 L. The charts say this is a
> svda
> > > off of a 1969 fi type 3. Through the recommendation of Mr. Welton, I
> gave
> > > it a little timing yesterday and this indeed helped.  I was short of
> > time,
> > > so I just gave it a 1/4" counter clockwise turn to see what would
> happen.
> > > Today or tomorrow I am going to break out the gun and see where I am
> > > exactly. Timing instructions for this one are 0* at idle with the
> vacuum
> > > can capped.
> > >
> > > Any more pointers from you guys would be greatly appreciated.
> > >
> > > Adam
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