[Vwdiesel] Boost Diaphram

[Nate Wall]

I played around with the diaphram setting last
evening. I lowered the spring seat a couple turns and
turned the diaphram about 45 degrees towards more
fuel. (This is with the horizontal pin the cone rides
against being more "OUT", right, since the cone is
inverted the pin moves out for more fuel. Oddly, I
noticed no change in smoke level and I even ran it
over redline a couple times. I mean there was almost
NO SMOKE whatsoever. I even went the same amount the
other way and did not notice much of a change. It
seemed to pull a little better, though when set to
more fuel. I also Teed in a pressure guage and it read
9 PSI.

--Nate
--- LBaird119 at aol.com wrote:
>   Of course if you tried turning it up, you can
> always put it back where you
> started if you don't like the mileage.  I've never
> been able to turn the fuel
> up enough to hurt mileage. Of course I watch the
> mirror and if the smoke
> turns black then I back off just enough.
>   The top end smoke you're seeing probably isn't
> from too much fuel,
> unless it's pretty black.  I've been playing with
> the pickups fueling the
> last couple days and although there's smoke at the
> top end, I've
> not been able to get it to smoke excessively there
> yet and I've cranked
> the diaphragm at leas 1/4 of the range as well as
> turn up the main
> fuel and lower the spring pressure a little!
>      Loren


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