And this is the reason my brother refuses to build street car motors. The amount of attention to detail that it really takes to build a motor is outside the budget scope for most people. And since people are taking shortcuts and not paying attention to the small details, like honing the balancer, you get problems that are blamed on the parts, but in reality the failure is from the guy trying to get it done in a budget timeframe so stuff is skipped over. That’s the difference between 100+ hour motor build and your normal street car 20 hour build. You get what you pay for….