Ulix Goettsch wrote:
>
> Finally, with the help of Chris Kotting and a 9V battery, I got my A/F meter
> to work on the pos. ground car.
>
> With the idle adjusted fairly close, the mixture is a little rich across the
> range (first red rich bar). Since it is rich across the range, I was
> wondering if I could move the needles relative to the pistons, or is that a
> no-no?
> I am using needles recommended to me by APT, I think they are #4.
> I don't mind buying different ones, but since it seems to be rich
> everywhere...
>
> Any other advice for the process of finding the right needles for my car?
>
> Also:
> I am still experiencing misfire and power loss at high rpm and full
> throttle. I expected this to be a lean mixture, but the gauge says it is
> still rich at this point. I can rev just fine with part throttle.
> Could this be an ignition problem? I am using a Crane ignition on a stock
> distributor.
>
> Thanks,
> Ulix __/__,__ ___/__|\__
> ..............................................(_o____o_)....<_O_____O_/...
> http://www.mirafiori.com/~ulix/ '67 Sprite '74 X1/9
http://www.autospeed.com/C_articles/A_0618/P_1/article.html
This may help, it shows some of the inaccuracies of AFR meters which
read O2
sensor outputs. I'm not sure if using 9V instead of 12V won't have an effect on
the reading.
--
~
'90 GS-500E: Faster than a newbie on an FZR-600.
'87 RX-7 TII: Faster than a *DORK* on a Valkyrie.
MCMLXIX Sprite: Faster than UPS ground.
"Yeah, well, Stirling Moss is bald, too. Dammit."
~
|