Hi Bruce, yes, the C-85 oil tank baffles can be made from fiber glass.I made a set for afriend. They were not pretty! but seemed to decrease his oil temp by 10-15 deg. however,I did not submit a 337 as of yet. The ercoupe spec's list the 3 baffles as rqd with C-85. A lot of coupes are flying without them.You can get them from Univair but you'll need over a C note for them. Ted 2654H Sacramento, Ca.
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