I spoke to MAZDATRIX and they said they dont port TIIs??..They sell porting templates but they dont recommend porting the TII motors??..That really sucks.. Here is what i found from their website. I need your opinion here guys!.

http://www.mazdatrix.com/engsptb.htm

They said that you dont gain that much HP with streetporting.

 

I would think it is worth it, since like *everyone* who does up their engine does it. And it for sure gives a decent increase in power, i'm not sure how much exactly.

If it wasn't a decent increase, people woudln't waste $300+ to do it to the engine.
That is my take on it

 

Its MAZDATRIX that says that you dont gain that much power. I need to know from PEOPLE with STREETPORTED TII how they like the power gain or if even they felt any.

 

im not sure if street porting is worth it as my car has the stock off the shelf mazda rebuild 89 -91 block and with bolt ons I have come close to 400hp

I would like to see some dyno cart or something showing the improvent of street port.

 

damn, i thought you were gone from the forum.

welcome back........anything new done to the car?

 

im back in the forum. I guess my userid was killed lost or hacked

no new changes to the car in while right now I am in Thailand.
and planning on the next project for the car.

how have you been doing and new goodies for you?

 

with a turbo motor porting is not a big thing but can improve turbo lag and doesn't make the turbo work as hard. with any porting you are improving the flow of the motor. air comes in easier and exits easier. with a turbo or any forced induction you can force the air past almost any obstruction. as for more power again with a turbo this can be over come. at some point the stock porting will be too restrictive and some type of porting will be necessary.

 

I've been told by a very knowledgeable T2 owner that streetporting a turbo engine is very beneficial and gives great gains...

its well worth to do it if the motor is already out of the car; like if you're replacing it or something.

If you've got to buy a new or used motor for your car; try and get a ported one.

 

Ok so your friend highly recommends streetporting a TURBO motor. How much gain did he tell ya?..Im trying to gather as much information about this topic. Your help would be appreciated..

 

TIMS
is you race car a turbo and streetported??..

 

they are full of crapola! hell anyone in the singleturbo section that has a huge turbo has either a big street port or a combo port like (crispeed). it just helps out your volumetric efficency so things dont have to work as hard.... maybe on a stock turbo car say 88t2 20-30 fwhp