Re: 10V I-5s don't rev

[steve powers <powers@uplex.net>]

M Tipton wrote:
> 
> Buy the nature of their design and engineering, the I5 10V does
> exactly as
> it was intended to!

the power doesn't happen until 4 grand and past - then it comes to life
 
> In Audi's early racing history, the Rally Q's reached redline at
> 7300-7500 rpm.
> This after much "preparation" of engine internal parts!  Balancing is
> a must here!
> You must build a motor "correctly" in order for it to survive those
> higher rpm's!

motorcycles (with half the displacement) rev all day at 10 grand and
more.
 
> Certain parts, such as the hydraulic lifters, and oil pump, timing
> belt, alternator, and distributor assembly,  are limiting factors in
> obtaining those higher rpms.

which is why many manufacturers will be looking to pneumatic valve
trains in the near future...
 
> Your main concern above all, is the power band!  Knowing exactly where
> your motor
> produces its peek power output, in relation to the drive train gear
> ratio's, and the cars
> suspension, environment and operating condition.

the 4KQ's are very well balanced car - they could use a bit more of
everything, but what they have is very well setup...

> Your Audi was designed for the "street", to last a long time, and get
> good gas mileage.....

I never considered it to be _good_, more like just okay...
 
> What more could one ask for!

more RPMs -> (http://www2.uplex.net/powers/noises.html) =8)
 
steve powers
powers@uplex.net