[ba] RE: [s-cars] 80tq Update: 516 wheel hp, 450 wheel TQ

JShadzi at aol.com JShadzi at aol.com
Sat Mar 5 20:49:24 EST 2005

Exactly, I have a 2001 A4 1.8t for a "normal, torquey power curve" that satisfies that part of my appetite  ;)


>I totally agree.  It's neat to get data points like this, i.e. waaay outside
>the normal limits :)
>  -----Original Message-----
>  From: JShadzi at aol.com [mailto:JShadzi at aol.com]
>  Sent: Thursday, March 03, 2005 12:16 AM
>  To: calvinlc at earthlink.net; s-car-list at audifans.com; quattro at audifans.com;
>ba-group at audifans.com
>  Subject: Re: [s-cars] 80tq Update: 516 wheel hp, 450 wheel TQ
>  Hey Calvin,
>  I do believe this to be an accurate measurement of Torque and HP, granted
>there is the whole "dyno accuracy to flywheel extrapolation" issue, but that
>withstanding, this is an accurate measurement of TQ to HP.
>  The reality is that there is just no way to force this much air through a
>2.3l motor at low RPM.  There are realities that dictate what the power band
>will look like, realistically this motor needs solid lifters, cams and a
>redline of 9krpm.
>  This isn't an attempt to build a real streetable, torquey motor, this is
>an experiment in pushing limits.  If and when the time comes that I get
>really serious about "driving" this car, I will put back in the 034EFI HO
>hybrid and make this power curve:
>  Also, don't be deceived by how much power this motor is really making, 300
>HP and TQ at 5100rpm, the power increases dramatically and makes the rest of
>the curve look small, but calculate the sheer amount of power under this
>curve, and its easy to understand how blisteringly fast this car is, even
>with a low redline of 7500rpm.  A shift out of 500 wheel HP puts you back
>into 300+ wheel HP, even with the stock gearing.
>  Regardless, I want to emphasize that this isn't a project for TQ and low
>rpm street driving, I hope to continue to push the limits of how much air
>can be forced through this motor.
>  Thanks!
>  Javad
>  In a message dated 3/2/2005 10:52:51 P.M. Pacific Standard Time,
>calvinlc at earthlink.net writes:
>    Javad,
>    Well this is definitely pretty impressive but I am wondering if that
>    really depicts reality, i.e. 2 times as much torque at 5600 rpm vs. 4700
>    and a "redline" of 7500 then you would need a tight ratio tranny to take
>    advantage of all of it and you would be doing alot of shifting.  This
>    like the perfect engine to mate to a CVT.  Cruise at 3300 rpm on the
>    and when the throttle gets mashed spin to 5600 rpm and just hold it
>    while the tranny adjusts the gearing.  That would be pretty exciting!
>    Also, I am wondering if you have done any comparisons with the other
>high HP
>    cars around here that aren't quite as "peaky" but also don't put out as
>    peak power power, is the area under the curve approximately the same
>    3500 rpm on?
>    Definitely the highest numbers I have seen from an I-5 without factory
>    backing, as far as peaks go.
>    Congrats.
>    --Calvin

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