Originally Posted by v8guy
I have a flathead engine.....on my lawnmower LOL! Briggs & Stratton baby yeah!!!!!
Oh, and since there aren't any actual "rocker arms" per se in a DOHC, I guess I can't call them "rocker covers"
Originally Posted by Kai
For a deeper history lesson, the reason OHV (the overhead valve engines) is such a big deal is thanks to the seriously old school flat head engines. Back in the day, the valves used to be off to the lower side of the combustion chamber, opening up. The heads where literally a flat peice of cast iron.
How low were they? Were these flat head engines basically an upside-down over-head valve engine, with the oil on top? Sorry, the logistics of this are a bit foreign to me
