My first Audi - 2001.5 S4 with Custom Single Turbo setup...

[getslideways]

the way that thing squats is awesome!

[sjmelling]

the way that thing squats is awesome!

A couple vids from outside the car...stolen from FB.
https://www.facebook.com/video/embed...51972783837598

https://www.facebook.com/video/embed...51972797582598

[britishturbo]

Got my new 45 degree 3" to 2.5" transition coupler so I fixed the post turbo piping how it should be:

[britishturbo]

Ran out of injector today... so raising fuel pressure to 4 bar lol. Problem solved

[Delmed83]

Got my new 45 degree 3" to 2.5" transition coupler so I fixed the post turbo piping how it should be:

Looks really good, man. Just watched the video over on the RaceWars thread; it definitely sounds SICK.

[britishturbo]

Looks really good, man. Just watched the video over on the RaceWars thread; it definitely sounds SICK.

Thanks!
I do love the sound of it... the only Audi I know that sounds better is a certain RS6 that someone just got haha

[sjmelling]

Thanks!
I do love the sound of it... the only Audi I know that sounds better is a certain RS6 that someone just got haha

That particular RS is quite intoxicating

[britishturbo]

the way that thing squats is awesome!

Everyone gets a kick out of that lol

[falkor923]

britishturbo-Ran out of injector today... so raising fuel pressure to 4 bar lol. Problem solved

Still on ID725?

[britishturbo]

britishturbo-Ran out of injector today... so raising fuel pressure to 4 bar lol. Problem solved

Still on ID725?

No ID1000

Might have to go bigger already though lol

[falkor923]

1600 is gone....2k time!!

That didn't take long! E85 though....so where is this thing headed? LMAO

[jibberjive]

Only thing I changed was the RPM per MPH was changed to reflect reality.
Here's my settings:

Mass (kg): 1700
RPM per mph: 68.11
Coef of drag: 0.31
Frontal Area: 2.034
Driveline loss: 25

Nice. Always good to know, as those figures affect the output of the accel g curves.

No ID1000

Might have to go bigger already though lol

Or raise the base pressure. What pumps are you running again?

[ddillenger]

ID's are tested up to what, 8 bar? Put a 5 bar FPR in there.

1291cc's baby!

[jibberjive]

ID's are tested up to what, 8 bar? Put a 5 bar FPR in there.

1291cc's baby!

Or 6 bar...

[britishturbo]

Nice. Always good to know, as those figures affect the output of the accel g curves.

Or raise the base pressure. What pumps are you running again?

Stock pump feeds surge tank, 2 x Inline Walbro 255HP pumps feed fuel rails. One switches on at 10psi.

ID's are tested up to what, 8 bar? Put a 5 bar FPR in there.

1291cc's baby!

Adjustable Aeromotive FPR so i can set the pressure to anything I want lol.
It's set to 58psi base right now (engine off) which should flow about 1160.
I'm still at 90% IDC though lol.

[britishturbo]

So I'm going to post up logs here and some video once I analyze them... but the car is just silly silly fast with my latest revision... like silly.
It now scares the crap out of me... it is hard to keep it in a straight line!

1.95 FATS... logs to come lol.

[bigern45]

So I'm going to post up logs here and some video once I analyze them... but the car is just silly silly fast with my latest revision... like silly.
It now scares the crap out of me... it is hard to keep it in a straight line!

1.95 FATS... logs to come lol.

YAY

[LINDW4LL]

1.95!? Sweet jesus

[britishturbo]

[britishturbo]

I went both ways on the same stretch of road... 1.95 one way, 1.97 the other way.

[MadAudi]

1.95?

YOUR SICK! but this is awesome.

I just want mine down to 2.2-4 I would be happy.....

[Vinchenzo51]

I went both ways on the same stretch of road... 1.95 one way, 1.97 the other way.

What was that running? E85, nitrous, meth, all of them? lol

[britishturbo]

What was that running? E85, nitrous, meth, all of them? lol

All of the above lol.

[britishturbo]

1.95?

YOUR SICK! but this is awesome.

I just want mine down to 2.2-4 I would be happy.....

In time!

[britishturbo]

Looks like the 70HP nitrous shot adds ~200WHP and ~200WTQ during the boost rise lol.
It's quite epic.

[britishturbo]

Got to love the intercooling effects of Nitrous:

[Chuuey]

Speechless... that video in the racewars thread

[jibberjive]

Stock pump feeds surge tank, 2 x Inline Walbro 255HP pumps feed fuel rails.

Ah, nevermind on the bumping of the fuel pressure then. With that fuel setup you'd definitely be better served staying where you're at pressure-wise and just getting bigger injectors. That way you don't have to re-jet your nitrous either (assuming you're running a wet shot).

I went both ways on the same stretch of road... 1.95 one way, 1.97 the other way.

Wow, you're in elite company. The only other car that I know of with a sub 2 sec FATS was Simpply's old red GT car, and I'm pretty sure that wasn't full weight.

[britishturbo]

Ah, nevermind on the bumping of the fuel pressure then. With that fuel setup you'd definitely be better served staying where you're at pressure-wise and just getting bigger injectors. That way you don't have to re-jet your nitrous either (assuming you're running a wet shot).



Wow, you're in elite company. The only other car that I know of with a sub 2 sec FATS was Simpply's old red GT car, and I'm pretty sure that wasn't full weight.

S4M3 runs a 1.91 fats time... that's my goal haha

and yes the nitrous is a wet shot...

[britishturbo]

My car vs FT21 car logs:

[jibberjive]

S4M3 runs a 1.91 fats time... that's my goal haha

Nice. I say you shoot for his track time rather than his FATS (or any other log based) time

[britishturbo]

Nice, I say you shoot for his track time rather than his FATS (or any other log based) time

Now we're talking... what's his track time?

[jibberjive]

BTW, what axles did you put in there as replacements?

If you start hitting the track, I bet those are going to be the next necessary upgrade (now that you've got the clutch, tranny, etc).

[jibberjive]

Now we're talking... what's his track time?

Knocking on 10's door IIRC (11.1?) last year, with different hardware I think. I'm looking forward to him hitting the track again, if he does go.

[britishturbo]

BTW, what axles did you put in there as replacements?

If you start hitting the track, I bet those are going to be the next necessary upgrade (now that you've got the clutch, tranny, etc).

Axles are all OEM... for now lol

[britishturbo]

Knocking on 10's door IIRC (11.1?) last year, with different hardware I think. I'm looking forward to him hitting the track again, if he does go.

Nice.

My goals are just 11's for now...
We'll see how I do at the track before I go chasing golden times lol.

[jibberjive]

Axles are all OEM... for now lol

OEM is better than the common aftermarket ones at least, so that's good. I don't think your axles will last a single outing at the track with the power you're running though.

Nice.

My goals are just 11's for now...
We'll see how I do at the track before I go chasing golden times lol.

I understand starting conservative and working your way up, but I personally don't consider low 11's to be 'golden times' (especially with a HUGE turbo, nitrous, meth, E85, tuner driven). I have a feeling that, given a couple of outings and non-breakable hardware (axles), you will be (or should be, at least) below those times

What did you run at the track in your other big turbo talon (or whatever it was)?

[bigern45]

If he launches easy, they will, but the 60' will suffer, and accordingly, the overall ET

If you can get 1.7 60' I think this car will really set the bar.....

[Meow]

I personally don't consider low 11's to be 'golden times' (especially with a HUGE turbo, nitrous, meth, E85, tuner driven). I have a feeling that, given a couple of outings and non-breakable hardware (axles), you will be (or should be, at least) below those times

I think he meant chasing faster than 11s would be "golden times" lol. Doesn't want to have to eat his own shoe when it cant et well :P lol

[jibberjive]

If he launches easy, they will, but the 60' will suffer, and accordingly, the overall ET

I'm hoping he doesn't launch easy and goes all-out, no excuses runs The car has too much potential to leave any time/speed on the table. It seems like the axles (and maybe the diff carrier, if not already replaced somewhere in this 60 page thread ha) are the last 'weak link', so it makes sense to go the last 1% after already arduously going the 99%.