Originally Posted by
supralative
Remember Maximo saying its possible to pull one head shim out with no issues. Are many racers doing this? I will be running Sidewinders Worlds 30% fuel through the engine.
For those of you thinking of removing a head shim,I wouldn't recommend it.I tried it this past weekend and it blew the plug in less than 1 tank.I removed the button to put the head shim back and it had already started pitting the piston.Just thought I'd warn people that it may junk the engine.