I ran a 9:1 SW tour car motor on 91 for a bit in a road race car. I got a bit jumpy about all the addatives they put in the fuel though since I was spinning over 8k. I used the 100 octane Sunoco race gas instead.
I ran a 9:1 SW tour car motor on 91 for a bit in a road race car. I got a bit jumpy about all the addatives they put in the fuel though since I was spinning over 8k. I used the 100 octane Sunoco race gas instead.