Check this out:
IMG_4249_resized.jpg
Above the standard port layout. Below a modified one. That should help a little I hope, infact get the head right and you stand to gain 20% bhp. What I can say is that under test the exhaust ports flow the same at 1mm less lift on the modified port as the other port did unmodified.
This would obviously work on any k10 too etc...
IMG_4249_resized.jpg
Above the standard port layout. Below a modified one. That should help a little I hope, infact get the head right and you stand to gain 20% bhp. What I can say is that under test the exhaust ports flow the same at 1mm less lift on the modified port as the other port did unmodified.
This would obviously work on any k10 too etc...