cylinder head porting

[Ms3geo]

i have been thinking about porting the cylinder head on my 2007 mazdaspeed3 and i cant seem to find any info about this topic so if anybody has done it what are the gains and finaly is it worth it?

 

[Awafrican]

There is some discussion about it, typically buried in build threads
https://www.google.com/search?q=porting site:mazdaspeeds.org&ie=utf-8&oe=utf-8&client=firefox-b-m

https://mazdaspeeds.org/index.php?threads/how-to-port-match-your-head.9847/

https://mazdaspeeds.org/index.php?threads/head-porting-question.11964/

Might be some info in this thread as JT covers a lot in his build thread https://mazdaspeeds.org/index.php?threads/johnnytightlips-build-maximum-carnage.7025/

 

[Ms3geo]

There is some discussion about it, typically buried in build threads
https://www.google.com/search?q=porting site:mazdaspeeds.org&ie=utf-8&oe=utf-8&client=firefox-b-m

https://mazdaspeeds.org/index.php?threads/how-to-port-match-your-head.9847/

https://mazdaspeeds.org/index.php?threads/head-porting-question.11964/

Might be some info in this thread as JT covers a lot in his build thread https://mazdaspeeds.org/index.php?threads/johnnytightlips-build-maximum-carnage.7025/

thanks