thought about the e-85 but have at least one group i race with that says no. as for staying with the rules. i'm not a taddle tale and i wouldnt have anyone to race against if i got the cheatyers dq'd. i have been running pump gas but kinda think i'm on the edge for my CR. thought about the rocket brand "pump gas" but they don't show anything @ there site and havent responded to my e-mail. what octane for 11:1 ratio iron heads and 232 237 @.50 cam with 110 LSA???