SR20det turbo upgrade question

[17psi]

Originally posted by aeontony
Before I write up the rest of my post just let me say I've read "maximum boost" and "supercharging, turbocharging, and nitrous oxide." But that was after I decided on my setup (go figure..)

I'm just wondering what everyone thinks I can do on this setup:

-S14 blacktop SR20
-Z32 MAF
-R33 GTR FMIC
-Apexi AX53B60-P25 turbo (I'm not sure what the specs are, but it's rated at 350ps)
-1.2mm metal head gasket
-Tomei valve springs/rocker arm stoppers (not really relevant, but..)
-Port and Polished head
-Walbro 255 l/h pump
-Tomei 555cc injectors
-HKS step 1 street intake/exhaust cams
-Equal length exhaust manifold
-Trust turbo extension (separates wastegate flow from main flow)
-Blitz 3" downpipe
-Custom 3" testpipe
-Apexi N1 Dual
-Greddy Profec E-01
-Greddy E-manage
-Spec Stage 2 clutch

I'm aiming for around 350whp..think it's doable?

I don't see you making 350whp with a turbo rated for only 350ps.....that means the turbo is rated for roughly 320hp and that rating is at the flywheel. You need a turbo rated for at least 420+hp(flywheel) to put down 350rwhp considering the ~15-20% drivetrain loss.

Even though I don't think this will matter much, but what duration cams you planning to run? Correct me if I'm wrong, but the step 1 is available in 3 different durations, most seem to prefer the 264's....I'm planning on 270 degree....also, I was told that Jun has the most aggresive "drop-in" cams.....I'm looking at either Toda or Tomei.

Like you were told earlier, go for the stage 3 clutch if you can afford it, overkill is a good thing .....especially when you could later decide that 350rwhp just isn't fast enough