Talk To Me About Peripheral Porting
#24
Originally Posted by j9fd3s' date='Mar 14 2003, 03:27 AM
the nsu wankel spiders idle nicely at 800rpms, they have a small port though, and it uses a 2 barrel progessive carby, the first stage is really small, the second is big
mike
mike
#26
Thats the thing, best port size for what? With a pport you can make power high in the RPMs (i've heard around 13,000RPM and so), yet the 787b had its redline at 9,000RPM because it made all of the power, torque, and fuel efficiency it needed at that redline and below.
And the old NSU's were street legal pport only cars, that idled and drove like regular cars.
So it's just like an intake cam, how wild do you plan on being?
And the old NSU's were street legal pport only cars, that idled and drove like regular cars.
So it's just like an intake cam, how wild do you plan on being?
#27
Originally Posted by DJ Rotor' date='Mar 14 2003, 08:29 AM
(and still nobody knows what to fill the side ports with?)
J
J
surface of side housing \/ opening of intake port
--------------------------------_______-------------------------
where to stop devcon at/
#28
I see, I suspected something like that. I should actually get that Racing Beat catalogue already but I'm allergic to spending almost $30 for a catalogue (by the time it gets to me).
I will have to study this timing issue in detail it seems.
J
I will have to study this timing issue in detail it seems.
J
#29
Originally Posted by DJ Rotor' date='Mar 17 2003, 06:47 AM
I see, I suspected something like that. I should actually get that Racing Beat catalogue already but I'm allergic to spending almost $30 for a catalogue (by the time it gets to me).
I will have to study this timing issue in detail it seems.
J
I will have to study this timing issue in detail it seems.
J
mike
#30
Originally Posted by DJ Rotor' date='Mar 14 2003, 09:29 AM
So what is the best port size and timing?
(and still nobody knows what to fill the side ports with?)
J
(and still nobody knows what to fill the side ports with?)
J
BTW i like this thread.....i'm learning about streetability on baby bridgeport motors..which is what i want to do with my vert