N/a Rb30 Can It Be Turbo Charged  

It CAN be done, It HAS been done.

How long will it last? How long is a piece of string? It stands to reason that it will not last as long as a properly built engine, but if done to a reasonable standard with conservative boost levels and a decent tune, it should last a reasonable period of time depending on condition of engine prior to changes.

14th January 2008 - 02:48 AM  Reply  Quote

[quote name='20VGT' date='Jan 14 2008, 08:48 PM' post='1281813443']
It CAN be done, It HAS been done.

How long will it last? How long is a piece of string? It stands to reason that it will not last as long as a properly built engine, but if done to a reasonable standard with conservative boost levels and a decent tune, it should last a reasonable period of time depending on condition of engine prior to changes.
[/quot


Thanks for the info. i'm thinking if i'm going to spend the money on a turbo kit' i my aswell spend a bit more and do the internals aswell. as the motor has had a hard life. at least i'll get a good run out of it.

14th January 2008 - 03:25 AM  Reply  Quote

Good move.

Would it be more cost effective to simply buy a VL turbo engine etc from the start? That way you would have the specifically designed engine, ECU etc to start with.

Is a damn sight easier than messing around changing stuff on your current engine.

14th January 2008 - 06:13 AM  Reply  Quote

VLT engines are overpriced and most are fucked anyway, but they do have goodies like forged pistons and a better oil pump.

unopened NA motors last fine with a turbo bolted up, provided they are healthy and you dont run too much boost. you can use the NA injectors and computer but this is the very budget way of doing it, far safer to spend a couple of hundered on a set of VLT brown injectors and a computer (goes straight into na fuel rail and loom). if its a r31 you need to hardwire the fuel pump though as the vls run different pump wiring to r31s.

14th January 2008 - 06:27 AM  Reply  Quote

i was thinking about doing this to my r31. i also have a few questions to ask. if i were to just get a turbo and manifold do i just bolt it all up and thats it? are there other things that need to be modified? is it true that you can run up to 6lb boost before it blows? please pm me if you know the awnser to any of these questions. any help will be greatly appreciated

31st January 2008 - 03:02 AM  Reply  Quote

Well, i have done and currently doing another NA to boosted RB30 conversion. I can't stress this enough... THE STOCK INJECTORS ARE NOT GOOD ENOUGH!!!! I run a toyota 1GGZE blower on my RB30 at 10psi and the NA injectors cant do it! I added another 2 injectors on hobbs pressure switches and the extra 2 NA injectors still couldn't keep the fuel up to it, how do I know this... Number 1 exhaust valve got cooked coz of pinging! The standard in tank fuel pump doesnt do the job, get a VL turbo external pump, they carve up real nice. I even tried a Malpassi 1.7:1 rising rate fuel pressure regulator with the 8 stock injectors and it wasn't enough! Invest in a stoichometric guage ( air/fuel ratio guage ) they are worth there weight in gold for boosted projects. After sorting out all my fuel system problems, then comes the head gasket blowing party. Dont use shim head gaskets, they are a waste of time.
Best thing to do is change your pistons and rings to forged, at least it will take the boost, lower your compression so you dont blow head gaskets and be much more reliable.
The stock R31 computer seems to go ok with the VL turbo injectors, a little rough at idle though. To maximise performance get a programable computer or get a dyno and get the chip re-written.
Any other questions, please post.

1st February 2008 - 06:24 PM  Reply  Quote