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<<The article said the solution to this problem is to
use a large airbox with an automotive-type round filter to settle the
air down before it enters the servo (my paraphrasing).
Lee "Moondog" Metcalfe>>
Based on Bill Harrelson's recommendation, I obtained and had installed an airbox from an RV4. I have downdraft carbeurator. I believe that the airbox with full oval filter, smoothed out the airflow. Sometime in the next month I will put out real numbers. Right now I know that the 1,2 & 3 cylinders are all 70 deg. lean of peak while the number 4 is just reaching peak. I think that this is just fine for the carbed engine.
On the down side, the intake had to be extended down by about 2 extra inches.
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Lorn H. 'Feathers' Olsen, MAA, DynaComm, Corp.
248-478-4301, mailto:lorn@dynacomm.ws
LNC2, O-320-D1F, N31161, Y47, SE Michigan
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