hey, i was wondring is the k20 used in the new si and type s the same as thew ones used in the jdm type r's with the type-r k20 just being prepped more? and if not do u guys think getting a type r k20 in a ep3 si is a good idea?

 

Ok your post was a little hard to understand but I will try and help you out the best I can. The new civic si ( 2002 +) comes with the base rsx motor and the civic type R ( 2002+) comes with the type S motor. Here is a run down of the engine codes and what cars they go in to.

K20A Integra type R ( RSX)
K20A2 Acura RSX type S, Civic type R
K20A3 Acura RSX (base), Civic Si

And to try and answer your second question here is a option. The k20a (type R) motor is strong and comes with a 11:5 compression ratio which bumps the power up to 220 hp and comes with a nice price tag as well. You could get this motor and swap it into your ep3 and do some all motor mods to it. Toda is in the process of realeasing thier products ( pistons, rings, valve springs, cams, etc..) and they have them available for both the type R and the type S. So that is one way you could go. Or your could get the type S motor for much cheaper then a R motor and do either all motor work, or turbo charge it. And at the moment Jackson Racing is about to realease a supercharger for the car. Those are some of the routes you can chose from and I am sure new mods and options will come to light soon. Well good luck.

 

thaks or the info

 

Actually, the JDM K20 from the type R has 11.5:1 compression not 11:5. The difference between this motor and the RSX-S motor is found in the following:

RSX-S RSX-R (ITR)
Compression: 11.0:1 vs 11.5:1
Cams: a little bigger cam in the type R (maybe some difference in the valvetrain??)
Intake manifold: wider intake runners
Exhuast: different muffler and I think different header (not certain about this)
Tranny: shorter 4th,5th,6thgears and final drive, LSD
Flywheel: forged chromoly flywheel