Contour Enthusiasts Group Archives Forums Modifications Duratec Performance Intake developments. Porsche vs. Yamaha

Thanks! Now I can do Japanese and European patent searches! COOL! Maybe I can see what "IT" is

Ok, thanks for the info.

How would this operate in the real world, though. I don't want to have to watch the tach and move a lever every time I take the engine through it's paces. What signal could we use other than the secondaries?

Chris, are you talking a simple plastic or metal pipe, or perhaps some type of aluminum manifold much like the upper plenum we have now? I think plastic would be the way to go, probably the least expensive and easiest to mold to the proper shape given the tight turn that is needed. How are you going to seal it to prevent leaks? Pressure fit?

The valve actuation would be RPM controlled. Just using the cabin control to figure out what RPM's to move the valve. Once that is figured out, an actuator motor would be put in place.

The pipe will probably be aluminum, and the elbows might be plastic. Yes, easier to work with. They will be attached by some means, don't know yet, but duct tape is not out of the question temporarily

I have some blocks of high temp high impact plastic that will be great for forming the elbows. I will take pictures of the fabrication. Just getting a pipe in there is the first bit. Second is the valve.

valve could prolly be vacuum controlled.

Is there enough room to arch the tube over the wire block?

Chris,
I think this might be helpful. The concept is called variable resonance. Here's the patent number: 4,465,035

Chris-

I understand about the actuator motor, but even that will need a signal from somewhere and some electronics to know when to open/close. What are you going to use for the signal? That's why I suggested the IMRC system. If we are lucky, we will get open/close signals precisely when we need them. I know, that's a mighty big IF!

Anyway, did you get the non-disclosure statement I sent you?

Also, if it is ultimately controlled by the IMRC, can you PLEASE make a mod available so that 95 cars can use this too (vacuum IMRC)? I have a 95, so PLEASE??????!!!!!!

[This message has been edited by Sandman333 (edited May 04, 2001).]

The valve actuator cannot be controlled by the IMRC because it would needs three states in the RPM schedule. Open, Closed, then Open. On the IMRC, you only get Closed, then Open. I know a relay can reverse these signals, but it would still need three states. A seperate RPM sensing control module would be needed for it's operation, so it would work on any year Contour.

The cool thing about the butterfly is, it can be moved by just a selenoid. It doesn't need to be a stepper motor which would require more parts. The control module would simply have a sensor wire that taps into the coil pack, and it changes its state when the RPM's reach a certain window.

This same controller would also work great with NOS

I have been talking w/ an engineer here that does this kind of stuff, I'll let everyone know what comes of it.

MSD makes such a piece as does Accell IIRC, as well as many N2O suppliers. Mulit-stage RPM windows would be close to the name of these things. From this a toggle relay is all that would be needed to control an open close selenoid. A small TB from just about any car could be used as a valve within this crossover tube to control crossover flow. I have an extra manifold in the basement and have been researching this very thing... The easy thing is, once you build the system, the rpm window controls are adjustable so one 1/2 hour to an hour dyno session is all that should be needed to tune it. Of course the spun bearing has slown my personal research...


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Brad Noon
'99 SE MTX, really blown now!!!!

http://www.bnmotorsports.com

I have started carving my bricks of nylon. They are really neat! I am using it to make the elbows for the x-over pipe. I think I have some aluminum pipe somewhere. I'll be sure to post pics of the install end fabrication.