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From: Jay Laifman
>That's great to know. Personally, if there was some NOS on someone's
>shelf, I might spring for it. But to go through what Ramon went
through
>all over again does not seem worth the effort. However, for posterity,
>maybe you could take some measurements of it and describe it in detail.
>Or, is that really not of any help to someone who wants to reproduce
it? I
>imagine the description would be reproduced in every Alpine club
newsletter
>across the globe. Rick did think it was the best manifold available.
To say that this manifold is best would be totally subjective.
I am certain that it is probably the most convenient and cost
effective to use the DCOE carb since it only uses 1 car and wouldnt
suffer from the master cyl clearance issues,
but......
The reason that people use DCOE is because when you run a single
choke "venturi" per cyl, you get a level of performance and tuneability
that is un-matched by anything short of fuel injection.
You sort of need to sit down, and ask yourself, "why am I putting a
weber
on my car?". If the answer is for performance, then read on...
The main reason that I have a problem with the lynx single DCOE
setup is because one choke feeds #1 and #2 cyls, and the other feeds
#3 and #4 cyls. This is the worst possible config because the #1 intake
event follows 180 crank degrees behind the #2 event, but the #2 event
follows 540 degrees behind the #1 event. This makes for an assymetrical
charge between the cyls, for various reasons, and makes inertial tuning
absolutely impossible, because at only one cyl could reach resonance.
This setup could only work well if there was a common plenum
connecting cyls 1,2,3 and 4, which would be identical in function to
the solex 2bbl config used on SIII and SIV models. Using a
performance bolt on (like 40DGAF) for the 32/32 DGV weber would
yield near identical results while using a standard rootes manifold
with very minor carb port mods.
If there is trully interest in a single DCOE manifold, I know of a
MFGR in Puerto Rico, who has the tooling to produce cast
manifolds of reasonable quality.
jarrid gross
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