Is This A Vg30det Turbo?

[someonestolecc]

3. VG30DET T3 BB Turbo

This turbo was taken from a low km VG30DET front cut I purchased. The cut had 40,000 km's (digital dash) and the turbo is really clean.

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From http://www.skylinesaustralia.com/forums/in...howtopic=151715

Not questioning the seller in any way I just want to confirm if this is the early or late type?

If it's ball bearing I'm led to believe it's early leopard or cima.. what car is it out of?

I don't know how to tell from the picture - is it water cooled?

Could anyone that knows please have a look and let me know?

[Slide]

It is a VG30 turbo.

Quite a large spine on it which would be about 4.7cm wide at the top spine bolt which means it is an OP6 housing (may or may not be stamped).

It is ball bearing water cooled.

[someonestolecc]

Thanks Slide.

I understand the VG30et or VG30det is the turbo I want. And even then some of them need rotation to fit a rb30 with standardish turbo manifold.

I'd like to ask lastly to confirm it's not one of those from the VG30DETT ?

Cheers

[SteveL]

I understand the VG30et or VG30det is the turbo I want. And even then some of them need rotation to fit a rb30 with standardish turbo manifold.

I'd like to ask lastly to confirm it's not one of those from the VG30DETT ?

vg30et type is more-or-less the same as RB30ET turbo and is non-BB + water-cooled. What is shown is a VG30DET turbo BB, water cooled as already stated, most likely from a CIMA. It's definately not a VG30DETT turbo, which is a much smaller T25 type. I believe the housing has to be rotated.

[MZTRBO]

just for the record, you will have to rotate it.

I recently put one on an rb25 auto my girlfriends car and all I done was undo a few bolts and put it next to the stock turbo and lined them both up then tightened the bolts again.

It is very very easy to rotate a turbo it is not difficult, especially if you have a stock turbo off your car. Its a straight swap on procedure and this turbo is an awesum upgrade.

Cheers Daniel...

[discopotato03]

That one is from a four cam single turbo 300ZX , and it has a ball bearing cartridge and no internal similarities with the VLT's Garrett T3 bush/plate bearing cartridge .

[Cubes]

someonestolecc,

DONT DO IT!!

Spend the $400 or so on an Rb25 turbo. MUCH MUCH better.

The VG30DET turbo in the picture is nothing more than an R32 RB20DET turbo with the slightly larger compressor cover and R34 OP6 turbine housing.

The turbo is designed to create a nice wide power band on a 3ltr. On a smaller motor it spools slowly *feels lazy* and when it does hit she really doesn't come on hard, it feels like a big linear boaring power curve with bugger all mid range. In other words its not really a fun turbo. On the 3ltr its 'ok' but nothing spectacular. The VLT stock turbo is 'feels' better and makes more power easier in my opinion.

I've currently got a VG30DET turbo on my rb30det, its ok but made stuff all power over the stock rb20det turbo, all its boost is in by ~2200rpm and it makes its peak power around 5000rpm and continues to pull well until 5800rpm.

Grab an R33 turbo or cheap slide highflow for a few hundred more, suits an rb30sohc's lac of revs better.

[SteveL]

That one is from a four cam single turbo 300ZX

There's no such thing as 300ZX with a 'quad cam single turbo' engine. The only quad cam engine used in the 300ZX series was the VG30 from the Z32 and that only came as a non-turbo (VG30DE) or twin-turbo (VG30DETT) from the Nissan factory.

The single turbo quad-cam VG30DET was only used in Nissan's luxo-barges (ie Leopard and Cima).

[someonestolecc]

Thanks for identification and other informations everyone.

Joel - thanks for that I appreciate it. Actually I thought it'd be BETTER suited to the rb30e+t because I wasn't intending to run much boost. I must admit while I'm not going to be running huge boost I like it to come on early (response owns) and see if it'll take out some of the lethargy of the rb30... I also do enjoy the "OMGTURBZ" feeling - without being too hectic by coming onto boost with no warning at 4k (that would suck)

So you say go the rb25 one? Will I get more lower/mid from that? Street and drift will be the application. Will I need this elbow I keep hearing about?

[someonestolecc]

I'll just post up incase someone searches and they can benefit-

Hey buddy,

The downfall of the VG30DET turbo is its compressor. Its the same small crappy compressor wheel the RB20DET turbo uses. Yes its turbine a/r is nicely sized for the 3ltr but its compressor simply cannot supply the air required without having to really push some boost in to it.

The R34 runs the larger compressor that can idle away at 11-12psi yet still push the same amount of air the rb20/vg30 compressor can at 15psi.

I really wouldn't bother with the vg30det turbo. I run one on my rb30det and its crap. I've seen the RB25det turbo run on a mates rb30det and its far better suited.

With these 2 small turbo's power still peaks exactly where you SOHC would want it. 5200-5500rpmish.

Being on an RB30 I don't know if you would need the elbow.

However.. the RB25 elbow fits the VG30. The rb25 elbow is a 90degree bend. The VG30 is nothing more than just a straight piece that allows you to attach 2" rubber/silicon to. In your application the vg30 straight piece 'may' be more suitable.

I'm not sure. You would have to have a loook at how the turbo would sit.

Thank you sir

Does that mean you will be putting a rb25 compressor wheel into yours?