Originally Posted by MassiveMods
i tried a 3 notch in a standard head button.. 1 in the front above the front intake port and 2 on a 45 deg angled towards the exhaust. I then cut back the head button .2 mm to reduce its standard ratio and took a .2 shim to bring it back.. ..
I was a menace ! it sounded like a rotary engine lol It created a lot of torque and great top end .. But rear bearings and rods wore very quickly..
MM
Bro u meant u shaved the button to .02mm and u added .02 shim ?. Did any timing problems arise with the notch facing the front intake?. What was the average fuel consumption b4 the bearings or conrod starts to show signs of wear?