Turbo Porting/polishing
03-02-2007, 12:05 AM
#1
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Vehicle: 1997 Tiburon
After reading many posts over on dsmtuners.com about porting and polishing turbo's, I still have a question or 2.
This is what I have already ported and polished:
Turbine inlet
The wastegate for a much smoother transition. Solves boost creep
Wastegate flapper so it opens on a 90 degree angle.
Turbine discharge
Compressor inlet
Compressor discharge
After researching and finding different companies that offer port and polishes and different pictures from other people's DIY job, I've noticed that I could of ported much more.
My question is how much should I go before the wall is too thin and might crack from the heat. Right now for ex. my inlet has a wall thickness of 3.75mm. Could I take more off?
Now just to inform you guys, I haven't touched the turbine housing because I haven't read much about that. Also I leave about a cm from near the compressor wheels. I don't port around them.
Also, anyone have any tips? Or what I should focus on the most?
Here are some pics from different users.
http://www.dsmparts.com/image.php?productid=79.jpg
This is what I have already ported and polished:
Turbine inlet
The wastegate for a much smoother transition. Solves boost creep
Wastegate flapper so it opens on a 90 degree angle.
Turbine discharge
Compressor inlet
Compressor discharge
After researching and finding different companies that offer port and polishes and different pictures from other people's DIY job, I've noticed that I could of ported much more.
My question is how much should I go before the wall is too thin and might crack from the heat. Right now for ex. my inlet has a wall thickness of 3.75mm. Could I take more off?
Now just to inform you guys, I haven't touched the turbine housing because I haven't read much about that. Also I leave about a cm from near the compressor wheels. I don't port around them.
Also, anyone have any tips? Or what I should focus on the most?
Here are some pics from different users.
http://www.dsmparts.com/image.php?productid=79.jpg
03-02-2007, 04:40 AM
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ive ported a few turbo's, but havent gone hardcore into it. pretty much i just stick to porting the wastegates out. makes a huge difference though. you can alos buy bigger flapper doors, and upgrade to alot bigger that way also for quite cheap.
03-02-2007, 09:49 AM
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The wastegate diameter I haven't ported, just inside the turbine so that its a smooth transaction.
I'm not worried about boost creep any more, so Im going to leave the wastegate alone for now.
I'm not worried about boost creep any more, so Im going to leave the wastegate alone for now.
03-02-2007, 03:16 PM
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just helping with what ive done, porting the wastegate is insanely easy actually and helps wuite a bit. other then that, i usually just clean up the casting marks. i do the same to my heads when i have them off.