Whos Got A Highflow (r32's)?

[r32woohoo]

Hey guys, just got an RB25 ball bearing highflow put on my RB20

just wondering how many of you guys have them and how do they go?

like how laggy are yours? Wheres your power range? and how much boost are you running?

Atm ive got mine on 12psi n i dont see it till ~3500-4000rpm but after that it goes pretty well

i havent gotten it tuned yet coz im still looking for some engine management.

its heaps different from the standard turbo since i used to see 12psi by around 3k

i spose a good tune will get it spooling quicker?

[barnoon]

Hey mate I have a hi flow on mine but I have a VG30 rear housing (so it will be laggier then yours), 1st gear I dont really get much boost at all unless I launch the car from about 4 - 5k 2nd gear it comes on strong from about 4500 and really throws you back around 5 - 5500rpm.

It is a LOT laggier then the standard turbo but now that im used to driving it and knowing how to hold my revs etc it doesnt seem so bad at all.

My supporting mods are : Power FC, GTR Injectors, GTR front mount, 3inch turbo back exhaust, and a bosch 040

any other questions you have feel free to ask me and ill try my best to help

PS I made spot on 200rwkw with 17psi

[MANWHORE]

THAt much lag for only 200 rwkw?

What sort of highflow is it?

I dare say that a stock rb25 turbo running 14-15 psi (ASSUMING the exhaust wheel didn't shit itself) would make 200 rwkw on an rb20.

Is that much lag worth it for that little power?

[barnoon]

Its a R32 highflow with a VG30 rear housing, the rear housing is whats causing my lag issues, this turbo would much better be suited to a RB25. Nothing I can do about it now anyway I cant afford to pull it off and change turbos or exhaust housings etc so ive learnt to live with it.

[r32woohoo]

atm ive got a 3" split dump/front pipe into a 3" fujitsubo catback and an fmic

i dunno wat kind of management im going to get yet but ive got gtr injectors waiting to go on, gotta get a fuel pump and im looking into some gtr cams to get it spooling earlier.

cant do much about it right now, guess ill just have to live with the lag for a while

[Cubes]

Throw an Rb26 Powerfc in to it.

Any half decent workshop knows how easy it is to get it working with the GTST.

Forget the GTR cam's idea UNLESS you are going to have them reground by LukeVL (Tighe cams).

[Interloper]

Throw an Rb26 Powerfc in to it.

Any half decent workshop knows how easy it is to get it working with the GTST.

Forget the GTR cam's idea UNLESS you are going to have them reground by LukeVL (Tighe cams).

is it rb26? i thought that rb25 PFC was the go for the rb20 without resorting to APengineering ones

[Cubes]

Both can be used.

Rb26 pfc's are still easy to get where as the rb25's are not.

[CEF11E]

r32woohoo

I have the same turbo as you and on the RB20det. full boost 19psi is about 4100. boost starts building at around 3000 i am running GTR injectors and pump big fmic, 3" turboback and metalcat.

the car is making 240rwkw and is good to drive once you get used to the lag.

I tuned the stock ECU and it runs perfect 12:1 AFR's

If you want I can burn you a copy of my tune and just modify it to suit your injectors and afm.

pm me if you are interested

[Dale FZ1]

Hey guys, just got an RB25 ball bearing highflow put on my RB20

just wondering how many of you guys have them and how do they go?

like how laggy are yours? Wheres your power range? and how much boost are you running?

Atm ive got mine on 12psi n i dont see it till ~3500-4000rpm but after that it goes pretty well

i havent gotten it tuned yet coz im still looking for some engine management.

its heaps different from the standard turbo since i used to see 12psi by around 3k

i spose a good tune will get it spooling quicker?

Exactly what sort of high flow is it? ie. who did it, and what core has gone into it? Using RB25 housings won't be the real issue on lag - the size + trim of impellers will though.

If it's a Garrett core into Nissan/Hitachi housings then there will be ID tag numbers visible. They tell the story on what spec impellers you have. If you can find them, post 'em up.

[Interloper]

Both can be used.

Rb26 pfc's are still easy to get where as the rb25's are not.

Oh, i wasn't aware that rb25 pfc are getting hard to get. I wonder why?

and to stay on topic: I used to have a R34 Rb25 highflow. all i can say is that HKS GTRS is x10 better...but then i had a pretty average highflow