Larry, thanks for the explanation. i will spend more time digesting, and will create a new thread instead if needed.
LJW, sorry for getting a bit carried off...
ok, the square wave (theoretical) analogy is what i retrieved from from undergraduate notes :)
more like a "decreasing amplitude sine-wave" -- Larry
Is this sine-wave at the exahust valve be due to a single closure of the exhaust valve? or super-imposed from many opening and...
wow, that's a whole lot of info to digest...
regarding reducing pump losses via reduction of exhaust restriction:
what do we mean by tuning of exhaust? is it varying the length/diameter of primary header so that like u said there is low pressure when the exhaust valve open? if this is the...
for maxracesoftware
i have only stumble onto this forum like just now, and was going through few pages of posts.
>>i can't see anytime when "BackPressure" would benefit
i have been reading your posts on exhaust pressure etc and begining to understand how "backpressure" is...