Originally Posted by JW51
I I have heard mixing a bit of diesel will lower octane. How much per 10 gallons would be about right?

How much of a smoke screen you want?


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