layzie

it says on this forum http://www.automotiveforums.co...pp=15

B18C5: Although a turbocharger can be bolted on to this bad-boy, it's generally not recommended, as this is a very high compression engine. If you were to used forced induction on such a high compression engine, you would either have to build it accordingly, have a REALLY good engine management system ($$$) or watch it blow up on the first run. The C1 is better suited for forced induction and would cost less in the long run.

i want turbo on my car no matter what and the more power the better. I was hoping to swap my engine with the Type R engine and bolt on a turbocharger but after reading this, is it that risky? maybe i should swap it with a GSR instead?

Apex i ITR

This will turn into a flame war but here goes. You can turbo a ITR safely. You just can't be cheap on the fuel management. an American C5 is just .5 higher on compression then a GSR so its not THAT much higher then a GSR. Plus the same boosto n both motors generally tends to make more power with a ITR.

BUT

If you are planning on going over 10psi i would suggest getting a GSR because if you are going to build the bottom end then it really doesn't matter what you start out with (Hell geta B16A and resleeve it with 84.5 low compression pistons and get the head ported and polished).

SpiritUnreal

I have to agree, it'd be smarter in the long run. You'd save money from the start, and once you start building the bottom, you pretty much just wasted all your money...unless you've got deep pockets, and have a readily available source for tuning...

SiB16A

to me man Type R is made for all motor why would you want to mess up a pretty ******* motor =X

FuZioNxMaxBoost

Totally agree, IMO, the ITR motor is a nice platform for N/A.

Apex i ITR

Don't misunderstand what I'm saying. The ITR motor @ 8lbs of boost will put down more power then a GSR @ 8lbs of boost. Plus it has better gearing and LSD. Anything over 10lbs and you might as well go with a GSR or B16 and build it up.

ITR motors are great for 10lbs of boost and lower. If you want to go for 13lbs+ then stick with a GSR motor.

eg_type_r93

the motor can be turbo'ed safely if tuned properly
ie fully programible computer, dyno time and a experienced mechanic in these feilds

Apex i ITR

Like I said anything over 10 ;bs. Standalone ECU or not you'll probably want to @ least put a thicker head gast in there.....but then if you start trying to lower the compression you might as well have started out with a GSR motor.