Originally Posted by RJW
Am I correct in thinking that muck on valves is less of an issue on the Duratec engine?
Bob.

To answer the question more directly...yes, it is less of an issue on a Duratech. For the reasons John stated above, though a slight typo...he meant to say the backs of the valves aren’t “washed” by the petrol/air mixture as it flows past into the cylinder.


Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900