So many fuels, so many choices. How to narrow down the field? First, let’s assume that we’re talking about a modern, fuel injected car. Right away that discounts all of the leaded products. Zachary Santner, technical specialist with Sunoco Race Fuels, noted that just four products would…
Carbs don't need different fuel than injection.
Fuel injection systems have O2 sensors so they are limited to unleaded blends.
I see no reason to use leaded fuels. I run big motors with lotsa compression on E85 from Thunderbolt.
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