Air/Fuel Question

[rocco16v@netzero.net (L F)]

It sounds like it's functioning correctly.  It's not the rpm that determines
mixture, it is the load.
No load....you can run very lean and get good mileage without danger to the
engine.
"run it like you stole it"

Larry

> Okay, I have small conundrum I am working on and maybe someone here can
> throw some info at me to help out :)
>
> I installed a cheap autometer air/fuel meter into the '79 with a 1 wire o2
> sensor.  At start up everything seems normal. I get a rich reading, as I
> expected due to the cold start injector kicking in.
>
> When it is warm and under load it runs just shy or rich.
>
> What I have noticed is that when I am simply cruising along a 2,0000-2,500
> rpm and the engine has no real load, it leans out right to the end of the
> scale.
>
> Step on the gas, back up to stoic just before rich.
>
> I can see it getting lean when you take your foot off the gas as engine
> winds down, but once at a steady rpm I thought it should go back to stoic
> again.
>
> I am going to try and richen the mixture a bit, but I can't seem to think
> how to get it richer just at the lower rpms (unless I am thinking wrong
> here) with out richening out the upper rpm range.
>
> Any ideas?
>
> Thanks
>
>
> Cory Langford


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