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cbenney · 12-10-2012, 02:15 PM

How do I find out what type of gas my engine uses? I inherited a 68 C20 and I am not sure what gas it uses (Leaded or unleaded)... How do I find out?

If it DOES need leaded gas will running it with unleaded gas hurt the engine?

The engine is a 250 streight six 4.1L

Thanks for your help! Chris

12-10-2012, 02:15 PM	#1
cbenney Registered User Join Date: Nov 2011 Location: East Longmeadow MA Posts: 34	68 C20 gas question How do I find out what type of gas my engine uses? I inherited a 68 C20 and I am not sure what gas it uses (Leaded or unleaded)... How do I find out? If it DOES need leaded gas will running it with unleaded gas hurt the engine? The engine is a 250 streight six 4.1L Thanks for your help! Chris