Mileage - more numbers, and upgrades?

Zsolt zsolt1 at
Sun Jan 26 22:08:54 EST 2003

Hi Ben,

I live in Calgary, AB at 3,200 feet altitude. Even driving through the
rockies to Vancouver, BC I never experienced any problems. As for gas
mileage goes, I did not notice a difference after chipping the car
either. I am running a 1.8 bar SJM chip and wastegate spring in my 885ktq.

In terms of performance. You will not regret it. To quote Bernard Littau
(when I met him in the spring) "there is no good reason not to do it"
He's absolutely right. The problem is; it's hard to stop there...


Benjamin Weste Pearre wrote:
> For what it's worth, my stock 1990 200TQA's computer tells me I get
> about 27 hwy at 75 mph or so, about 19 in the suburbs between San Jose
> and San Francisco, and rarely more than 14 around Boston.  Doesn't
> change a whole lot with temperature, seems to drop an mpg or two in
> heavy rain (more rolling resistance over wet pavement?)
> I'm thinking of chipping the old car, and I was wondering what
> experience people have had with mileage post-upgrade.  I'd think that
> it would help somewhat given the same driving style, but I've heard
> conflicting reports.
> Also, someone mentioned something about ECU upgrades and high
> altitudes - apparently the turbo can spin too fast?  I live in Boulder
> and not infrequently drive up to about 12000' (briefly).  Is that
> considered "high altitude"?  I don't really understand what the
> problem is, whether there are things I can do about it, whether it's
> something I have to worry about with an ECU upgrade, whether I have to
> worry about it already...
> Cheers!
> --
> Ben Pearre          1990 200TQA

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