Compression Ratio
Compression ratio should allow operation in 91 Unleaded:
From the TCDS: Cont IO-360-C has CR of 8.5:1
A C152 with O235-L2C also has 8.5:1 and requires 91UL for the Petersen STC.
With and high and low Fuel pumps, it should pass the Vapor lock tests.
mitch
N5477S
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