Running on ethanol blend & leaving a rig to set with in in the system very different. The only non-ethanol you can by in Oregon premium / high octane so I run the 87 E10 but purge & put non ethanol in for the winter when rigs will only be run a few times.


BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022