The G Man

Actually, if I had a choice between the 2 cars, I would pick the S6. The S6 is such a beautiful car, the 5 series is a dime a dozen here and it still have Bangle ugliness all over it. To me, speed is not everything or else I would just buy a Subrau WRX

Rory

Based on the example of previous Audi forced induction engines, 400hp at the crank for the 3.0T should be straight forward with chip + pulley. I don't think this is surprising: the B5 2.7T, which is 10% smaller and an older design by 9 years puts out >300hp with just a chip on the small OEM turbos, and >400hp with more efficient turbos, depending on tuning and other mods.

Check out recent discussions on the B8 S4 forum for thoughts about modding potential of the 3.0T.

There are lots of examples of large power gains from modding small forced induction engines: 1G/2G Talon/Eclipse, Evo, 3000GT, 300ZX, Sti, Supra, Neon SRT4, etc. This isn't something magic about Audi.

Rory

DirtyVegasTT

You are incorrect and you are mixing apples with oranges. All your examples are of Turbo vehicles. You do not have the modding potential on the supercharged engine as you do on the turbo vehicle, especially on small engines. The engine block itself might be able to tolerate high HP numbers, but with a stock supercharger those numbers won't be reached. I challenge you to find me a stock 4 to 6 cylinder supercharged engine from the factory with high modding potential.

Rory

Superchargers and turbos are simply different applications of forced induction. The reason there's potential for large increases in hp/torque isn't because one is turbo and the other isn't; it's because both are forced induction. Make up your mind what you're comparing: you started by saying the 3.0T couldn't make 400hp with chip + pulley; now you're limiting the supercharger to be stock.

Superchargers aren't used as often on 4 bangers as are turbos, one reason being the higher parasitic losses from a supercharger versus a turbo.

Feel free to believe what you will about the 3.0T: maybe you'll be proved right and it won't have much potential for mods.

Rory

DirtyVegasTT

Wrong again. Just because both are forced induction, both will not yield same results from turbo Vs. supercharger, and they will certainly not have same modding potential. Do some research on this matter. What we are talking about is adding a chip and a pulley to a stock supercharger, and my point has been consistent. With the stock supercharger (unless the blower is replaced to something different) you will not see 400hp numbers with a chip and pulley alone.

I told you, find me a car with 4-6 cylinders with a supercharger that made 33% more HP from chip and pulley and I will stand corrected. Else there's not much you can say.

Rory

You're free to believe what you will. Forum members who are engineers who work for Audi or are vendors who mod Audis for a living disagree:

<a href="https://www.audiworld.com/forums/showthread.php?p=23680260">https://www.audiworld.com/forums/showthread.php?p=23680260</a>

<a href="https://www.audiworld.com/forums/showthread.php?p=23680257">https://www.audiworld.com/forums/showthread.php?p=23680257</a>

<a href="https://www.audiworld.com/forums/showthread.php?p=23680345">https://www.audiworld.com/forums/showthread.php?p=23680345</a>

<a href="https://www.audiworld.com/forums/showthread.php?p=23729564">https://www.audiworld.com/forums/showthread.php?p=23729564</a>

Happy driving.
Rory

DirtyVegasTT

Ok. Wrong again. Your links do not support your point at all. There are no reputable tuners in any of them speaking of the gains anywhere close to 400HP with chip and pulley. In fact, with those mods the gains they speak of are far less than 100HP. For the most part it is speculators with wishful thinking.

You yourself said there is nothing magical about what Audi does. If that is the case, then the tuning for the 3.0T will fall inline with the type of tuning done on rest of the 6 cylinder supercharged engines, and will yield similar results.

I'm sure you know cars (or not, since you haven't mentioned these two) and you have to look no further than Mercedes. Look up C230, and C32 AMG. One is 4 cylinder the other 6. Both are supercharged. Look at the type of mods for those engines and the gains they produce.

FYI, I've been around supercharges long enough. I had a modded E55 with 575HP/600+TQ. Pulley and a chip on that supercharged V8 was good for approximately 75HP. It is less on some cars and more on others, but this combo will not give you 100HP on a supercharged 6 cylinder.