Originally Posted by simplyconnected
Yadkin also had his engine overhauled but went through several sets of very expensive hydraulic roller lifters, each set a different brand; clearly because his oil passages were not properly cleared and washed, clean. This resulted in multiple seized lifter plungers and bent pushrods, some of which showed up hundreds of miles after the build.
Nope. Never bent a pushrod or seized a plunger. Never found any debris in the galleries. Changed out the cam and problem solved.
The only mistake the builder made was not an aggressive enough cross-hatch on the cylinders, which cause the rings not to seat properly.