Re: [DML] intake manifold

[doki_pen <doki_pen@xxxxxxxxx>]

i guess you could put a shot of nitros on there too :)

Jon

--- content22207 <brobertson@xxxxxxxxxxxx> wrote:

> When Jeff advocates "taping up" all your old wiring
> in the engine
> compartment, I don't think he does so to make room
> for NEW wiring...
> 
> Truth be told, a ready to use manifold is all that's
> been missing for
> backyard tinkerers and experimenters. It will be
> interesting to see
> what people come up with. I'm sure someone will
> eventually bolt a
> throttle body onto one. Jeff recommends a carburetor
> from the racing
> catalogs, which basically means "Holley" (run away,
> run away), but
> that's the beauty of an open platform like this --
> each person is free
> to experiment however he or she wishes (if you buy a
> Holley, don't
> come crying on my shoulder later....)
> 
> Speaking of open platforms, be aware that this is a
> VERY open plenum
> design with absolutely no pretense of intake
> runners. Compare to mine
> in #5939's photo album (which does have intake
> runners but uses a
> common plenum itself). I'd anticipate best
> performance in the upper
> RPM's. People give me a hard time about driving too
> fast, but part of
> the problem is my engine simply isn't as happy
> sucking air below 2,000
> RPM as it is above. For all my past ranting & raving
> about "buzzy
> little engines", I've managed to build one for
> myself! But don't let
> it ever be said that a low compression PRV can not
> quickly and easily
> accelerate 2,800 lbs to 6,000 RPM, even with our
> fuel economy
> transmissions (truth be told I can only do that in
> 1st & 2nd gears.
> things start to fall apart in 3rd).
> 
> Which brings up a good point: I don't know if a
> stock ignition coil is
> really up to high RPM's. Even though my Pertronix is
> still canister
> style, it does recharge about 50% faster. I am
> running about 12v into
> it (only one resistor), but Pertronix claims even
> that isn't
> necessary. You could switch to capacitive ignition,
> but I've read just
> as many arguments that a single duration spark, even
> at reduced
> voltage (40,000 volt rating is taken at low RPM)
> actually has a better
> chance of igniting the mixture at those speeds.
> 
> I can vouch that 7mm wires, even Bougicord, are not
> compatible with
> high voltage ignition in the long term. If you're
> going to buy a new
> coil, but some 8mm wires to go with it.
> 
> That's one nice thing about Jeff's new manifold --
> changing a set of
> plug wires around it takes less than 5 minutes!
> 
> Bill Robertson
> #5939
> 
> >--- In dmcnews@xxxxxxxxxxxxxxx, Marc Levy
> <malevy_nj@xxxx> wrote:
> > FWIW, It looks like this intake would be nice for
> a
> > EFI conversion too!!




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