Fuel what type for 1981 c3

[jimbob]

What level of fuel should I use in a C3. I am currently using 98 premium, but is it necessary? Your thoughts?

[StephenSLR]

What level of fuel should I use in a C3. I am currently using 98 premium, but is it necessary? Your thoughts?

https://www.youtube.com/watch?v=WYlk9C1o0nk

I usually don't pay much attention to this gronk but this time I think he's right on the money.

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[mention1]

My old timer mechanic says 95 RON is the best for my 350. Better than 98 and he's right, runs real smooth!