To Hi-flow Or Not To Hi_flow

[nuclear_skyline]

Hi All,

I had my standard r33 s2 turbo go west on Sunday. Both impellers disintergrated at once! I have pulled the old turbo out and am in the decision process of considering upgrading to something with mroe potential and newer design or hi-flowing the original.

Mods are as follows:

K&N Panel filter

3 in dump, High flow cat, trust 3 in cat back

GReddy Profec 2 boost controller

GReddy front mount kit (brand new as old one has impeller lodged in it)

Peoples opinions?

[swanny180]

What do you want out of the car? Whats it used for, street, track, drags, drift, a mix/combination?

Do you have a power goal that the turbo will need to flow?

What sort of response are you after?

[nuclear_skyline]

looking to get somewhere in the region of 275rwkw. Car is used for street for the time being and probabl;y for the occasional track day (both grip and drift).

I drive in a bit of traffic every now and again so response is high on the list, but i can manage 3500 lag

[N1GTR]

Before you spend the money go for a ride in an r33 with an aftermarket turbo setup, then compare that price to the highflow price

[sloutch]

If it is mostly for the road, then go the high flow. With cams and a good tune and other supporting mods,l you should be able to see about 250-260. And with the high flow you'll save money too. Go figure

[R33GOD]

be prepared to spend some serious cash if ur chasing 275 rwk. i very much doubt ul do it on a hiflow.

on the other hand if u set urself a goal of 250-260 you will get it on a hiflow with nice spool time.

set urself a goal of 250..least u know your conrods will be up to par

Edited October 22, 2007 by R33GOD

[nuclear_skyline]

Cheers guys,

I might go for the Hi-Flow. I spose it also means that I wont have to upgrade fuel pump, injectors and computer if I keep the boost reasonable for the time being.

With the Hi-Flow, 3' dump (HI flow cat) and trust 3' cat back zorst, k&n panel filter, greddy FMIC, and GReddy boost controller I should be making round 200rwkw anyways hey?

[R33GOD]

with those mods on about 10 pound you should

[nuclear_skyline]

about to load the skyline onto a trailer and take it down to screaming performance in wollongong (used to work there off and on). I think Daryl has a few options as to new turbos that will only require new oil and water lines and bolt onto the original manifold and dump pipe. Apparently they are more responsive as well.

I'll have it dynoed before it leaves the shop so I should know what power it makes.

$5 bucks to the person who can guess the rwkw figure right!

[33drifta]

232rwkws lol. no idea what boost youl run or what turbo your gettin but thats my guess :laughing-smiley-014:

[nuclear_skyline]

i reckon it'll achieve around 240bhp. so what's that? round 200rwkw...

[seraphyn_r33]

oh yeah id reckon about 1452138957000000000000000000000 rwkw

sorry lol,

im gonna take a wild guess at 216 rwkw

[nuclear_skyline]

To add more info for people. I will be running the standard fuel system for the time being. So my guess is smack on 205rwkw... I will post the dyno sheet when the car is running! Make sure you have paypal accounts.

[sloutch]

nuclear skyline, do upgrade your fuel pump and injectors. Engine will require 'juice' to run a bigger turbo. You don't want it to starve. Go for the easy S15 stock injectors upgrade. or get 500cc ones.

[nuclear_skyline]

Oh man is upgrading fuel pump and injectors on the cards. I will run lower boost levels until I have saved up some more dosh to get the upgrades. I've already had to shell out for a new turbo, new hi flo cat and new intercooler. I took the more expensive option of buying a GReddy FMIC...

Are all FMIC the same? Was it worthwhile to buy a proper brand name cooler rather then a no name cooler

[R338OY]

Oh man is upgrading fuel pump and injectors on the cards. I will run lower boost levels until I have saved up some more dosh to get the upgrades. I've already had to shell out for a new turbo, new hi flo cat and new intercooler. I took the more expensive option of buying a GReddy FMIC...

Are all FMIC the same? Was it worthwhile to buy a proper brand name cooler rather then a no name cooler

I doubt a brand name FMIC will impact performance at low boost; but at high boost the design is probably better for air flow (i'm not 100% on the design differences) but you're definitely getting a better quality product with GReddy and it'll last longer than that Home-Brand-made-in-China-crapola

Let us know how the Hi-Flow goes...i was considering doing the same to my hammered stockie turbo.

[lighty01]

2 words.. JUST JAP

for cheap good fmic

[made_guy]

you won't get that sort of power without an ecu or emu. standard turbo and your existing mods would be very lucky if it made it to 200rwkw.

[nuclear_skyline]

I made 161rwkw with just a boost controller running 11.5psi. I have since then done the full hi flow exhaust, FMIC and air filter. Now with the hi-flow turbo I hope I should make round the 200rwkw mark.

[Sambo33]

i needed a power fc and bosch fuel pump to reach 200kw, it wouldnt go past 179kw with the stock ecu and pump.