Topic: Carbon buildup on top of pistons (Read 11714 times)

porthole · « **Reply #45 on:** June 26, 2014, 12:28:27 PM »

Quote from: UltraNutZ on June 25, 2014, 09:31:01 AM

it's that retarded EPA BS of having excess oil flow back into the intake from the top end instead of HD drilling out the damn rocker plates properly to let it go back down to the crank/cam area

Fortunately we don't epa BS EGR in our bikes - yet.

HD Street Performance · « **Reply #46 on:** June 27, 2014, 10:00:17 AM »

When the motor health is good only a light mist comes out the breathers. The latest breather assemblies work very well at separating oil from air. And regarding EGR well HD actually accomplished compliance but did so without any add-on devices except the cat. They work to meet a bulk load limit of emission content. Cylinder head design and other items including the cat allow them to come in under the threshold. A healthy properly tuned motor will not build a lot of carbon either BTW

Author Topic: Carbon buildup on top of pistons (Read 11714 times)

porthole

Re: Carbon buildup on top of pistons

HD Street Performance

Re: Carbon buildup on top of pistons