Turbo upgrade questions...

[lazza]

Ok Ive got an R33 GTST with an RB26DETT transplant. The motor is stock with the normal exhaust and intake upgrades and an electronic boost controller set at 12psi. (Dynoed at 225rwkw). I have stuffed a turbo and i'm in the process of deciding to replace the stock turbos or upgrade to something like some low km secondhand N1 turbos.

My questions are do i need to install a Power FC if upgrading turbos? (i assume i would???) What power could i expect if i do upgrade to N1s and a power FC???

If anyone would like to make suggestions it would be appreciated! Also if anyone has secondhand turbos for sale let me know!

Thanks guys.

[Sydneykid]

A standard internals RB26 with R34 GTR N1 turbo's tuned via a Power FC with apropriate support systems and other upgrades made 332 rwkw. I am sure there are others with better results around.

[Scooby]

A standard internals RB26 with R34 GTR N1 turbo's tuned via a Power FC with apropriate support systems and other upgrades made 332 rwkw.  I am sure there are others with better results around.

SK;

can you tell us what the whole engine package entailed in this case, paticularly the 'support systems and other upgrades'?

Thanks

[lazza]

SydneyKid,

I assume by support you mean injectors and fuel pump? How far can you push the standard injectors before they run out of flow?

So I definately would need a power fc to run the N1 turbos?

Thanks,

Laz

[Sydneykid]

Hi guys, I will try and answer your questions in one go;

The spec was;

264 @ ~9.5 mm cams (I think they were Jun, I didn't fit them)

Adj Cam pulleys (they were definitely Jun)

Split dumps and 2.5" engine pipes (my design)

3.5" exhaust (my design)

2 X standard GTR cats (I had them)

Sard 650 cc injectors (standard ones ran out at 290 rwkw)

Nismo fuel pressure regulator (not really required, but the standard one was screwed)

Bosch 044 fuel pump in tank

Power FC with boost control kit

2 X Pipercross POD's with heat shield and large ambient air induction (my design)

2 X RB20 AFM's (I had them too)

OS Giken twin plate clutcch (with flywheel)

Greddy 600 X 300 X 100 intercooler (Nengun)

Alloy I/C pipework (my design)

Oil cooler and remote filter (Earls)

Winged, doored and baffled sump (my design)

Tuning, tuning, tuning (not by me)

Hope that answered your questions