Quote:
Originally Posted by dvogtvpe
the more cyl pressure you develop the more pressure that makes it down behind the top ring to push it outward to create a better seal. you may achieve the same result with no cyl pressure it would take allot longer. a gas ported piston just makes it easier to get the pressure behind the ring to create a better ring seal.
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Bingo! We have someone that knows what he is talking about.
Pic is the dyno run from my last road race engine. It was built to have a wide power band. Nothing wild just a nice wide power curve. It also had to live for the season. It did what it was designed to do and then some.