Buy a copy of Dynomation...
It will provide you with endless hours of entertainment..
Here is a link to some other usefull info..
http://www.tfxengine.com/software7.html
Here are some of the variables you are asking everyone to guess at.
bore
stroke
rod length
fuel burn speed
compression ratio
ignition advance
intake port size
intake port flow
exhaust port size
exhaust port flow
valve size intake
valve size exhaust
cam lift
cam duration
cam rate of lift at several given points
cam overlap
intake and exhaust flow during overlap
intake manifold pressure during overlap
header size
header length
collector size
collector length
air density
air temperature
piston area
engine temperature
thermal effeciency of cooling system
heat lost to oil from piston area
ring sealing /leak down
there are more but these are common......
Dave
> Anybody here looked at a graph that shows the cylinder pressure during
> the blow-down of the exhaust events?
>
> In a theoretical case, a high-performance engine has a maximum cylinder
> pressure on the power stroke of 1000 psi..
>
> What would the pressure be at bottom dead center in this theoretical
> cylinder, what would it be at 60 degrees after bottom center, and most
> important, what would it be at 60 degrees before top center as it rises
> up the cylinder again?
> As it happens from the firing order Ford put into
> it, on both sides of the block, the two center cylinders that discharge
> into a common port, fire 180 degrees apart(hence, the exhaust valves
> dump into the common port serving them, one 180 degrees after the
> other).
>
> As many here know, it has been the practice, since Pluto was a pup, to
> put a baffle into the said port to reduce the supposed interference. BH
|