Hey, by no means do i claim to know a lot about automotive.... it just riles me up when someone who clearly knows less then what they say they know, starts getting abusive about getting his point across and getting his own way.

I'm still learning and it's something that i love doing. In the last year and a bit i've been apart of an Australian forum called Ausrotary. I have learnt so much from the fellas on there and it's great to jump on and have a read about old, new, good and bad.

Cheers for the info though, it's always good to get some info that isn't forced down your throat with an arrogant attitude

Cheers.

Spokes!! hehe

LFSTweak doesn't work with "U" version though, does it... ?

Ok, well i don't really want to get into an argument with you because i'm only new to the forum, but i'm happy to discuss cars with you in a friendly way

Quote :

I said that without a BOV it'll stall the turbo - without a BOV there is no (or very little) noise.

Running no BOV won't stall the turbo, it will slow it down. I explained this in another thread here:

http://www.lfsforum.net/showthread.php?p=139425#post139425

Quote :

And drag cars are designed to work at full load, not retain drivability at varying throttle openings, so not really relevent to this discussion.

Not meaning to patronise you, but have you been to drag races? Lots of vented valves going off at a night at the drags here in Aus, mainly during tyre warm up. My point was more towards the amount of boost that some of the cars are running and that if running no BOV was going to damage your turbo, certainly you'd hear about it at the drags. Secondly, which i should've mentioned in the post, a lot of the cars that i'm referring to are street cars which are driven home. Hardly any of the cars on a Wednesday night meet are trailered to and from the strip. So it has huge relevance. They run huge amounts of boost, no BOV's and are street driven cars.

Personally, when i upgrade to a Trust TD06 for my FC, i don't plan on running any BOV because i trust the build quality and relability of a Trust turbo will negate the need for a BOV to prolong the life of it. But i still run the factory Bosch unit with the standard turbo for now.

Quote :

Yes, we'd already said that a BOV isn't a wastegate. Did you read the thread?

Yeah i did....Was just saying it in my own way just incase it made more sense then other peoples explanations.... Sorry

Quote :

My car runs with negative pressure.

Quote :

I bet you know what I mean by my car running on about 14psi! Because your smart, right?

Quote :

Of course

But I'd expect it to run at a bit less that 14 personally. Depends on revs and throttle I guess.

Quote :

Sure, if you're talking vacuum?

Quote :

So you didn't get this then, lol.

Looks to me as though you were discussing how non turbo cars run 14 pounds vacuum (absolute/atmospheric pressure). I say "vacuum" because the opposite of pressure is vacuum... but if you say i'm wrong about your discussion, then so be it.

Cheers.

Last edited by Shinanigans, Wed, 31 May 2006 19:21.

Don't use rabieshare you goose!

I'll give it a go man.

FYI, filefront is what i use if im not using my webspace

http://freespace.filefront.com/1

Quote from lrdbsi :

ok heres the thing it doesnt *stall* the compressor wheel it STOPS IT
then it SPINS IT BACK WARD , my mechanic told me is compressor wheel back surge, (boost surges back through compressor) and dumps it out the intake of the turbo ,dont come here saying your name is right just cause u think it should be called that,

anyway im sick of know it all turbo fags like u , u knew wat i meant instead u try to information arguing which is pathetic and immature, grow up

Wrong.

It doesn't stop the wheel, infact it barely even slows the wheel. Considering you go on so much about how you know everything about turbos, why don't you stick your head in an engine bay with a turbo and watch what the compressor wheel does... illepall

The "choof choof choof" sound is generated by the air coming back through the turbo (technically called "Compressor Surge". The sound is the compressor side impeller fins slicing through the returning air.

The reason your/mechanics theory is wrong is because the "choof choof choof" sound lowers in pitch. This is because the impeller is slowing down. It makes no sense with you saying that the compressor wheel stops... how can something that is not moving make sound?

All i can say is "LOL"

Just a few things i think should be cleared up so people who read this thread don't leave this thread with less intelligence (then it's already caused).

1. The turbo "wheel" doesn't get oiled, the shaft does.

2. LOL @ drilling sump for oil to the turbo. Can you tell me why you can buy magnetic sump plugs?

3.

Quote :

a compressor wheel with sevral spindals on it which do the magic

I think you mean impeller blades...

Quote from tristancliffe :

This stalls the turbine and stops it pretty quickly. It can also SERIOUSLY damage your turbo.

It doesn't actually stop the compressor from spinning completely, it only slows it down. If it stopped the compressor, then the sound wouldn't be happening. The sound is obviously from the air being fed back through the front of the turbo and is the sound of the impeller fins slicing through that air.

As far as damage from not running a BOV, 6 of one, half a dozen of the other. I know people running drag cars with no BOV and the turbo creating in excess of 20-25 pounds of boost, and these cars have been running for years in that configuration with no damage to the turbo. Damage to the turbo from compressor surge will depend on what turbo you're using (quality of the bearings/shaft) and how much boost you're running (how much air is trying to get squeezed back through?)

Bad idea to start calling a BOV a Wastegate, you will only confuse yourself when the time comes to reading about them. Put simply, a wastegate bleeds off excess exhaust gasses once a certain amount of pressure is reached (how hard is your wastegate spring?) it does this so the turbo doesn't keep spooling harder and keep creating more pressure and eventually ramming 50 pounds into your stock SR20 engine... a little exagurated for the factory T25's but you get the point.

A BOV is integrated into cars for the following reasons:

1) A "safety" measure against damaging the turbo from compressor surge.
2) To stop compressor surge on factory cars and to quieten things down (when plumbed back into the intake). Can you imagine the look on the owner of a brand new Saab if his car was making those noises!? lol
3) To stop air returning back through the compressor causing disturbance in the flow of air, resulting in the turbo having fight through this pressure when it comes time to spool. In other words, reduce lag.

Quote from wheel4hummer :

I bet you know what I mean by my car running on about 14psi! Because your smart, right?

Sure, if you're talking vacuum?

Last edited by Shinanigans, Wed, 31 May 2006 17:47.

Primoz knows the score

I'm only a demo racer but i'll put my 2c in regardless.

I think backfire would get annoying unless it's random. Can you imagine if it popped EVERY time you lifted the throttle? Yikes!

Is it possible to get the backfire running a looped sound file (with random inserts of the sound) while only on decel? So not when you instantly lift the throttle, but while the car is revving down, as it would be normally (not taking anti-lag into consideration there... but i don't think any of the cars in LFS have anti-lag do they? :P )

Cheers

I suppose if you could get access to the spool sound then you could make a delay on the wastegate after the spool sound is started.

Throttle > Engine > Spool > Ext. Gate. all in that sound sequence as it would be.

Just need access to that dang spool sound file

So is there any way to get this cracking online? For private use between some mates? Would be a pisser having 3000kw XRT drag races

Quote from lrdbsi :

when it says xxxxxxx.ocx or watever is missing , write it down and google it *download xxxxxx.ocx** etc, and download it, should have readme to tell where to put it and run prog again till u get files needed to run it, should only need to get one

http://www.ascentive.com/suppo ... html?dllname=COMDLG32.OCX

Last edited by Shinanigans, Tue, 30 May 2006 14:45.

Pearl paint is a standard base coat with a different coloured clear coat over the top of that. For example; a white car (base coat) with a blue pearl clear coat (clear coat) is an example of a pearl paint job.

Examples of Pearlescent paints:
http://www.nomadracing.co.uk/images/dsc00030.jpg
http://blog.gtroc.com/dino/KS-RX8-10.jpg
http://www.paintwithpearl.com/bluehood.gif

Chameleon Paint is a mixture of several different colours and shades. Some paint jobs i've heard with up to 7 different colours!

Harlequin Paint is another form of Chameleon paint but i think the difference between Chameleon and Harlequin is the colour change ability and limited choice of colours.

Examples of Harlequin/Chameleon Paints:
http://www.micro-frets.com/eric/pic1.jpg
http://www.customflamepainting.com/harlequin.html
http://www.cruisenewsonline.co ... dRun2003/36FordPickup.jpg


All of these paint systems work on the way light reflects off the surface to give off a different colour.

House of Kolor is one of Australias biggest automotive paint manufactures. Have a read of their websites about different types of paints.
http://www.houseofkolor.com.au/products.php

now im getting memory errors which i never get.

Here's a screenshot of what happens when i type the cmd in the cmdprompt:

http://img231.imageshack.us/img231/4986/problems4ja.jpg

Woot, thanks heaps for that. Haven't set it up yet but at least i'm well on my way now.

Here's where LFSlapper incase anyone was interested. It's a great little program!

http://monkster.hopto.org/~janez/LFSLapper/LFSLapper.html

Thanks again

Evening lads and lassies!

I've just set up a demo drift server for our local Rotary enthusiast forums but i'm having a little difficulty figuring out how to implement the new drift points system. Obviously this means i have the latest patch update for the demo because otherwise i wouldnt know about the drift points system, but i don't know how to get that cracking on my own server.

Any pointers?

Sorry if this is a noob question and the answer is right under my nose, but i've looked through the readme and done a search on here to no avail

Cheers,
Shinanigans.