Posted by David G on January 18, 2016 at 09:12:37 from (63.152.123.14):
I am not going to convert the MH44 EFI to port injection this winter, but it still intrigues me. This is an easy process if each cylinder has its own intake port, but gets complicated when ports are shared. Modern engines have intake ports on one side and exhaust ports on the other, so no ports are shared. Older engines shared ports, probably to warm the intake air for better mixing, by sharing an exhaust and intake manifold.
Here is an article about the issues:
http://www.canems.co.uk/siameseports.php
I do not believe the later 2 cylinder JD's shared runners, please comment.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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