I like the pictures, I take it you have had to strip a 1910? Iv boiled mine and now have a heavy knock so will need to strip it.View attachment 491848View attachment 491849Yes a definite increase in crank speed to get to the average power band on the petrol 2800 rpm if I remember, but this will do No Plowing or brush hogging any more, so I think lower revs producing less power from the car engine may be still in the safe zone. Problem is Think don't Know.