2001 SRP 2.5RS/RA/SOHC Monster
Exact same crank minus nitration treatmentWell while you are at it I would get a EJ257 Crank, and the head gaskets instead of the EJ253 crank. For fuel a high lph pump isnt that expensive you would only need to update your injectors and rails. What engine management will you use?
You should also thing about keeping the EJ253 intact and running the turbo kit at 6psi for a while ive ridden in a 03 RS with the AVO kit at 6 psi on the stock motor and that thing pulled. The owner said he had the desire to start at 6 and move to 16 ( generally speaking) but was so happy with the 6psi and the results he never did.
Sounds good either way keep good notes
^ I made 255 whp on 10psi^I would like to get upgraded fuel pump and injectors, but currnetly I'm on budget. Yeh head kaskets are on my to do list for the 6 psi, I don't like the idea of changing them after a while for higher boost
oh and about the injectors, I made some search and came up with an o-rings kit that make you able to use wrx injectors? how good are they for 15 psi (I don't have any plan to go higher than 15 psi)
I know the STi crank is much stronger, but why change my new ej253 crank if I'm not going to make over 250whp?
I love to get forged pistons, but I'm on budget. Sti pistons are cheap and can handle 20 psi so easy, they will lower CR too.
about the rods, what's wrong with Brian crower rods?
I'm not looking for 300whp, I guess at 15 psi I will mostly make ~250whp? right? I've been living with my 160hp impreza for years, and I guess 250whp will make me happy for years too
So true^Sorry but stock Injectors won't work with 15 psi, you will need larger ones
^ Yes ^OR, just sell the 253 and use a 22e/222 shortblock and not worry about doing a damn thing.