Mazda Rotary Club

General => General Technical => Anything Engine/Performance/Tuning related => Topic started by: Adam fc on February 25, 2010, 07:26:05 PM

Title: street port power increase?
Post by: Adam fc on February 25, 2010, 07:26:05 PM
How much of a power increase would i be looking at from getting a mild port/street port on my fc3s turbo?

Ive heard it can be up to 50%??
Title: street port power increase?
Post by: Prof on February 25, 2010, 07:32:41 PM
Maybe with other mods.
 
Will give you more top end, a higher power peak, and probably help in spooling a larger turbo, and will certainly make getting more power later easier.
 
Main things to do first are exhaust and intake - then you\'ll almost certainly hit boost creep and need to do something with the turbo - like wastegate porting.  Then a chipped ecu, piggy back or aftermarket ecu to add more fuel for the increase in boost.
Title: street port power increase?
Post by: m1tch on February 25, 2010, 08:07:59 PM
The more you port, the more you move the powerband, think of porting like cams in a piston engine, a mild road cam will give more power but might move it up the rev band a bit, a full on race cam (like a periperhal port) would give lots more power, but its all at the top end.
Title: street port power increase?
Post by: paulm on February 25, 2010, 08:10:33 PM
with stock twins, exhaust and filter, what would streetporting achieve?

in terms of power and driveablilty?
Title: street port power increase?
Post by: Adam fc on February 25, 2010, 08:28:38 PM
Cool,I\'m not going to go any more than a mild port as I want to retain some day to day driveability.
So with all breathing mods and a wastegate port running around 0.8 bar with a street port what sort of power would I be looking at?
Title: street port power increase?
Post by: NurburgRob on March 02, 2010, 06:26:17 PM
If you haven\'t already got one, get an aftermarket ECU.  Apexi PFC is a good choice.  With de-cat, standard IC and filters and a silenced midpipe I got 310 with a PFC.  I\'m getting a streetport now and 850 injectors and fuel pump and fpr and with a better downpipe I\'ll be happy with 350bhp at the flywheel on 0.9 bar