I do not know if you remember a year or two ago we had a discussion going
and I wrote a post about the early JTCC Mazda cars propped their hood open
about one inch and then put a plexiglass air dam on the hood to extract hot
air. I finally found a photo of a RX2 so equipped. It is number 26 in the
photo. You can not see the plexi clearly, but the mount on the hood is.
Also a bit of the middle car is blocked by the plastic.

Dale Davies

Paul we have had a lot of success from venting the hood on our race car and allowing the rad heat to be pulled up and over tghe hood it lowered the engine temp from 220 to 180 degrees
as well the rotary engine oil temp can also be improved by increasing the amout of oil in the engine as well as additional oil coolers.. oil temp dropped 40 degrees too..it is also possible to bolt on a set of horizontal fins on the side of the spark plug area of the rotor housing and allow air to pass over them... as well I have built some cermet coated engines using it on the rotor housings as well as the irons..the temps were lowered by the cermet run about have way on the temp gauge


 FRED POCHINKO

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