15cc domes are killing more than your rpm, try rod bearings, pistons, wrist pin bearings, basically anything that moves. Put it this way a stock banshee motor with 15cc domes has a higher comp ratio than a diesel, do you really think thats going to make it run better or very long. Even with a ton of porting and a tall as hell exhaust that is still going to be too high for ideal settings. The comp ratio needs to be around 15:1 or so not closer to 20:1 which is where 15's will get you. Get some 18cc domes. |