Re: Relative power from engines

[Solomon Ngan <sngan@netaccess.on.ca>]

Does anyone have the torque/Hp curves for 90q20v engine, or know where I 
can get them ?   I've been looking for a while with no luck at all.
Are they actually published at all ?

Solomon Ngan


On Thu, 10 Aug 1995 LToy@aol.com wrote:

> Vikram Mittal writes
> 
> >Maybe I'm missing something here. What I did find impressive (no flames
> >please) is that in 1989, BMW's normally aspirated 2.5 liter (525i) engine
> was
> >developing 189hp while Audi's 2.3 had only 130hp. Even today, their 2.8l
> >engine only gets 172hp and it's 1995 !!
> 
> There's a bit more than bhp:displacement to look at here.  Look also at the
> car the motor goes into (esp:  weight), and torque (esp: torque curve.
>  unfortunately rarely published).  still, peak torque is telling, esp at what
> speed.
> 
> BMW's I-6 2.5 puts out 189hp, it puts out 181lb-ft@4200 torque--this is
> actually less than Audi's V6 2.8 (184@3000) and much higher.
> 
> (some stuff from my notes):
> V6:
> Audi 2.8:  172hp@5400, 184lb-ft@3000
> VW 2.8:    172hp@5400, 173lb-ft@4200
> Nissan 3:  222hp@6400, 198lb-ft@4800 (300zx)
> Chrs 3.3:  161hp@5300, 182lb-ft@3200 (Intrepid, Vision)
> Ford 3.0:  140hp@4800, 165lb-ft@3250 (Taurus)
> Ford 3.0:  220hp@6200, 200lb-ft@4800 (SHO)
> I6:
> BMW 2.5:   189hp@5900, 181lb-ft@4200
> BMW 3.0:   240hp@6000, 225lb-ft@4250 (M3)
> Toyota 3:  225hp@6000, 210lb-ft@4800 (Lexus SC300)
> turbos:
> Audi 2.2t: 227hp@5900, 258lb-ft@1950 (S4/6, 217hp on the '91)
> Nissan 3t: 300hp@6400, 283lb-ft@3600 (300zx turbo)
> I don't recall the 20v 1.8 turbo torque figure, but it follows the same
> philosophy as the S6 motor--peak torque way down low, and quite a bit of it,
> too.
> 
> The point is that Audis are heavy and they're chasing the luxury market--less
> so the sporting market, and a lower rpm peak torque motor helps the luxo-side
> of the equation (quieter, less frantic).  Audi isn't out of the picture
> here--I think many of us on this list are just trying to use our cars a bit
> differently than Audi intended--I know I am (until I find the
> Carrera!--hey-that's it--we all need about 3 or 4 different cars for the 3 or
> 4 different uses we have!)
> 
> Linus Toy
> LToy@aol.com
>