Vg30 Turbo

[r32_det]

hey hows it going everyone.

earlier tonight i picked myself up a vg30det turbo (45v4) ceramic ball bearing turbo.

ive just been reading up on this forum and it seems to me like everybody on here hates them?

im just after some realistic figures here of what power gains im looking to make on my rb20det and why the rb25 turbo is better.

i know it has better midrange, but what about up top? and when comparing final power figures which is the better option?

at the moment my car has:

GFB bleed valve

2.5" straight through exhuast (also how much more power would i be looking at if i ran a 3"?)

FMIC

2 core Alloy radiator

Pod filter

4puk heavy duty clutch

mint compression and coils

Iridium plugs

RB25det fuel pump

New fuel filter

I am currently running 11psi on the standard turbo, i would probably look at running 13-14psi on the vg turbo

Sorry one more question. my standard blow of valve has been unplumbed. are there any consequences to this?

Thanks alot for any info and/or help provided.

-Jonny

[R31Nismoid]

Who cares about peak power?

RB20 you need as much midrange as you can get... hence RB25 turbo of VG30.

VG30 gives a bit more peak, but at a lag cost that doesn't justify the lag IMO.

[r32_det]

agreed. i still wouldn't mind knowing what gains im looking at though?

does the vg give any better midrange than standard? and is the rb25 midrange alot more noticeable when compared?

thanks

[R31Nismoid]

How can a larger turbo, give you better midrange?

There are plenty of results in the RB20 dyno sticky...

[clip14]

factory bov usually leaks. it should be plumbed back.

vg30 turbo has a larger turbine so it should have better top end

[r32_det]

awesome thanks for the help guys.

nismoid this is exactly why i am asking you guys as i am only 18 years old and am still learning.

i have had a look through the rb20 power figures thingy aswell.

cheers

[stenve]

i'll do you a swap - my r33 s2 turbo for your vg30turbo

i need one for a high flow

damn, you're in NZ

[migs]

ok this is the turbo 45v1

is this ball bearing or not ?

[migs]

http://www.skylinesaustralia.com/forums/He...14#entry4541014