VG30 Turbo

[lowlux]

i know some guys have used this turbo on there rb20 ie megala,well i just got mine today ive had a quick look at it and its definately bigger just looking at it, but 1 of the oil/water lines have like a flange with 2 bolts and a hole in the middle, but on the rb20 turbo its just a threaded hole,just wondering how u guys got around this, did u just drill and tap it to the same size as the rb20 so u could use the same fitting? or what. Also what did u do about the wastegate actuator rod that connects it to the wastegate flap,it looks like it goes into the actual dump pipe, and 1 other thing,the outlet on the turbo looks very small with VERY thick sides,has any1 got out the die grinder and done some porting themselves or even cut off the end and get it rewelded,

thanks guys,also i can get 1 more if some1 is interested for under $250 in melbourne dont know the condition though

sorry this post is long

[Cubes]

The easiest way is to use high pressure fuel hose with three hose clamps on each end to make sure it doesn't come off.

When you cut the metal line(s) from the turbo make sure you remove it first and remove all of the rough edges, blow it out with compressed air to ensure there are no metal filings.

They wouldn't go to well if you get metal filings in the oil side of the turbo.

Remember the BB and non-BB turbo's require a different amount of oil there for it wouldn't be to good if you adapted a rb20BB oil in on the non-bb vg30 turbo you have.

[Cubes]

Also how much boost are you planning to run with the VG30 on the stock ecu?!?

[SteveL]

Originally posted by lowlux

....... but 1 of the oil/water lines have like a flange with 2 bolts and a hole in the middle, but on the rb20 turbo its just a threaded hole,just wondering how u guys got around this, did u just drill and tap it to the same size as the rb20 so u could use the same fitting? or what.    Also what did u do about the wastegate actuator rod that connects it to the wastegate flap,it looks like it goes into the actual dump pipe.......

What you've got there is a T3 from a VL turbo (RB30ET) , not VG30.....

[lowlux]

well i dont think it could be from a vl as they took it off thecar yesterday,it was a z31 300zx front cut from japan,so i dont think thats what it is,also the oil line im talking about would supply less oil than the rb20 as the actual fitting is a smaller size

[SteveL]

Originally posted by lowlux

well i dont think it could be from a vl as they took it off thecar yesterday,it was a z31 300zx

Yeh, VG30ET (Z31) and RB30ET turbs are T3's and almost identical, but VG30DET is more like RB2x turbos in design (but bigger), ie doesn't have the 2 bolt oil line attachment, etc....

[lowlux]

ahhhhhhhhh fark does that mean it wont work aswell?

cause just looking at the wheels,there a crap load bigger than my rb20 ones,also its really easy to put on except for that 2 bolt design oil line,only because i dont have it, i might try and find it save me a crap load of time

[SteveL]

It'll work, but adapting it will take a bit more effort. Would certainly be easier if you could get that 2-bolt supply line....

[Cubes]

I'm starting to clean up the vg30 that I have and it appears that all of the water oil feed lines are the same size etc.

All I need to do is undo the bolt and insert the metal line from the RB20 one.

I might even use the Wastegate actuator from the RB20 if i can as it is has the right bends for the ange of the compressor cover.

[lowlux]

its done just gotta put it on now,my only prob is that i gotta still use the dump pipe i got with it,but by the looks its really big and its got a 3" out on the pipe aswell,took me about 2 hrs but i made a new fitting,and used the oil lines from the vg 30,cut the steel lines and im joining them with the lines to the engine,thanks heaps for that idea,works really well, i also finished my intake side of my cooler pipeing,sooo tomorrow itll be going again with new turbo and cooler

[Cubes]

I've got one of the BB ones it turns out.

And guess what.. All of the origional banjo fittings screwed straight in.

I still used the bolt (with the restrictor in it) from the VG30 but.

No cutting.. Straight in.

Only problem is the compressor out is obviously different which I poped down to profix today and they said yer.. $10 or 15 bucks for bit of piping bent and flared out to the size of the stock piping.

Should be up and running tomorrow.

Also Use your RB20DET Wastegate actuator and loosen off the bolts on the back of the compressor housing a little and then spin the compressor housing so the wastegate actuator lines up nicely and then the compressor out will miss the manifold when bolting it in.

Please make sure you use lots of hose clamps.. Wouldn't want it coming loose..

Here's a pic.

[Cubes]

Its in now waiting for tomorrow morning where I need a little bit of piping made up. to adapt the different size from the vg30 to the fmic stuff.

Another pic..

[macka]

Originally posted by -Joel-

Its in now waiting for tomorrow morning where I need a little bit of piping made up. to adapt the different size from the vg30 to the fmic stuff.

Another pic..

What happened to the 2540 Joel?

[lowlux]

arrrrh ok cool,the turbo i have is kinda different but it all worked,only had to make 1 fitting,also ive already changed the wastegate actuator as the one that cam with it was stuffed, also i noticed yourve got the 3 bolt outlet pipe like the rb20,where as ive got just an outlet to put the rubber hose straight on

now i just gotta either make or find the flange from the dumppipe as its different to mine,but no exaust shops are open

gotta wait till monday soo ill just drive it with no exaust on lol

[Cubes]

Macka..... 2540 was a different bolt up.

This damn VG30 is stuffed.

Started the car and there was a really nice wirring noise.

As I rose the rev's slowly the wirring got louder.

I even cranked the car over to pump the oil through the turbo before i started it to make sure it didn't spin on dry bearings.

Oh well.... Back it goes. Hopefully.

I new there wasn't something quite right with this turbo.

[Clint32]

Bad luck Joel, are you going to find another VG one or try and find something different. I will be able to tell you about the T04 in a few days:)

[macka]

Originally posted by Clint32

Bad luck Joel, are you going to find another VG one or try and find something different.  I will be able to tell you about the T04 in a few days:)

T4 has a different Bolt up too Joel!

[Clint32]

yeah but it is a bigger non-ballbearing turbo, the flange shape doesnt affect how the turbo spools ect.

[Joe]

flange shape doesnt but if it had a split pulse on the flange it does! helps alot

im no engineer so dont ask me how a peice of metal in the middle helps it spool and flow a bit better

[Cubes]

Well if Meggala Is watching.

..............

You told me so but did I listen.

Now I need to pull the damn thing off again.

I am really starting to think about a highflow of the std unit as it is blowing a crap load through the bov and the std turbo has heaps of end float also.