Here is Bill Jepson's original concept 3D and one I did.
Also a scale drawing showing why it is so hard to squeeze into
a tractor.

Paul Lamar

Paul, I still plan to run two radiators mounted higher, using 
the taper inlet. (2x) Using this layout you could make the headers
do a looping 180 to the VAM under the engine. A totally straight 
shot would be availablewith a slight down slant. The ram could
be handled by a very small chin inlet, (like the inlet on most 
RV cowls but smaller.) I think the headers would go into the top
of the can, reversing the bend direction which should help 
quiet as well. Bill Jepson

 
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