What gas should I use?

[black400ex]

I was wondering what gas to run in my 400ex. If I run anything lower that 94 octane my plugs will foul out like crazy. The local gas station sells up to 92 octane, but they also sell Cam 2 racin gas. I think that Cam 2 is a leaded gas. Will leaded gas ruin anything in my engine? If so, what should I do?:confused:

[jak1389]

i think you may need to adjust your jetting

[black400ex]

that might be what i need to do. i have a jet kit. any suggestions as to what i should run?

[jak1389]

what is your getting at now?

[250xridamatt]

With your mods, you shouldnt need anything higher than premium at gas stations.

[murrays400ex]

if u have the cash run 93 if not run what ever u can afford unless u have a hi compresion piston the race gas

[sloppyjoe]

yeah u dont have any motor work done so pump should be good for u.