DIY_EFI Digest V5 #840

[Programmer]

That's what we run...I honestly don't know how a guy can tune with an
acceleration dyno. I can literally have one guy driving the car WOT while
I'm making adjustments and watching the torque meter and AFR numbers on the
screen. Fastest way to tune--but that's just my opinion.

What dyno do you run ?

Lyndon

----- Original Message -----
From: "Clare Snyder" <claresnyder at home.com>
To: <diy_efi at diy-efi.org>
Sent: Thursday, October 25, 2001 4:27 PM
Subject: Re: DIY_EFI Digest V5 #840


>
>
> >
> > Date: Mon, 25 Oct 1999 13:52:53 -0400
> > From: "Bruce" <nacelp at bright.net>
> > Subject: Re: eectuner
> >
> > Is he totally relying on chassis dyno for the perfect tune?.
> > It almost sounds that way.
> > Sure hope he's got money.
> > Dynos generally make a run alot faster, or under simulated loads, and
can be
> > off by quite a margin.  Hope he does some in car tuning before calling
it
> > done.
> > Bruce
>
> Depends a whole lot on the Dyno. An inertia dyno will be an uphill battle,
but a
> good eddy current or Hydrodynamic "rolling road" dyno can get you REAL
close,
> with a lot less fuss than running on the road or the track. If you can
program
> in the wind resistance and weight figures for the vehicle, you can
simulate the
> increase in drag with speed, going up hills, acceleration from a dead
stop, and
> endless other scenarios.
>
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