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McCord intake system????
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Posted by: Rcannon
I notice this ad in the back of Dirt Bike magazine. It has been there for years. It is advertised as some sort of iintake system.
Has anyone ever used it? Is it a good product? I would love to find out anythign I could about it.
They must sell them to someone. The ad has been there for many years.
Posted by: Rich Rohrich
This link might help :
http://dirtrider.net/forums3/showth...ighlight=patent
Posted by: Rcannon
Thanks Rich. I should have known ......
Posted by: BMWPower
All the links are dead on that link for that thread, can you please post up some info for us, and also does this thing work?
Posted by: Rich Rohrich
Eric Gorr and I developed the original version of this 22 years ago while we were working for his first company Schelgor Industries (which eventually became Forward Motion). It was a good enough idea to receive a US patent on 7/3/1984.
You can view the original patent here http://patft.uspto.gov/netacgi/nph-...RS=PN/4,457,267 .
The patent ran out about the same time the McCord product hit the market, but I'm sure that was just a coincidence 
:thinking:
The various versions Eric and I built definitely worked but they were sensitive to specific tuned lengths and volumes. From what I've seen of the McCord version, and based on what I learned in our initial research 22 years ago I think they missed some fundamental concepts, and the original caveats about matching tuned lengths and volumes haven't changed.
Can it work? Definitely. Will the rather generic approach they have taken work for you? Maybe, but don't hold your breath. 
For what it's worth, even the versions that we built that worked well were not worth the price that they are charging IMO.
A camshaft is a much better investment on a four-stroke engine.
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