I will stick with the 100 low lead for now, but I am afraid it might ruin the
heads...burning too hot!...

Burning too hot? How's that??

Here is some good info on gasoline you might want to read: http://www.eric-gorr.com/techarticles/Fuel_Basics.htm
_________________
Paul Herr
'88 FZR4/GSXR/YZF Frankenbike
MY BIKE PICS