what gas?

[kawiking]

had my head shaved .030, all i have is k&n pods and hmf pipes. will i need to run a 50/50 mix of race gas???

i run vp's c-12 strait in my kfx-400 , but im running 13.5 : 1 compression.

 

my buddy has 19 coolhead domes and runs c-12 strait.

 

thanks

[Wallrat]

Is your timing advanced? What's your compression at (the actual amount, not just the ratio). You should be fine on 91 up to about 155 psi-ish and maybe a couple degrees of advance.

[kawiking]

not sure about my timing, dont know if i want to run +4 or +5. motor is apart right now, im getting ready to put my lightened flywheel in and waiting on +6 swingarm.

 

not sure of comp yet either. im sure alot of help !!!