Yesterday, I had the opportunity to visit Summitt Racing.  I was looking
for an oil cooler.  The many units they had were built very similar with
the tube basically penetrating a thin sheet of metal.  It did not appear
that the sheet metal could withstand 200mph airflow.  They were rated by
engine HP.     The next step is to look for a pair of third generation
Mazda oil coolers and have them cleaned and tested.  has anyone used this
"fintube" design oil cooler on a rotary?

Joe Berki