So, are you saying that the AFM on a 1.9 should give the same voltage
reading as one from a 2.1, but with 10% less flow, because its displacement
is about 10% less?

Larry A.
  what image?

On Sun, Feb 11, 2018 at 4:14 PM, David Beierl <dbeierl@attglobal.net> wrote:

> I'd be extremely wary (as in run far away) about attempting to adjust the
> AFM tension spring.
>
> However, by improvising a flow bench using a shop vac, throttle body, and a
> second good AFM, you can easily adjust the spring to match the good one.
> Here's an image showing three AFMs in series -- I was adjusting the 1.9l
> one which had been breathed on by idjits, and it was easy enough to set it
> to read ten percent higher than the 2.1l ones with equal flow.
>
> Yrs,
> d
>