I'm thinking that turn the screw right to richen it, left to lean it out.
You should be able to tell by how it runs and the exhaust gasses color
because rich will put out black smoke.

Stan

On Mon, 31 Mar 2003 09:40:46 -0800 (PST) gary hradek <hradek@yahoo.com>
writes:
> Stan,
>     How does one set the AFM as lean as possible?
> Will this effect HC at both higher rpm and idle or
> just idle?   thanks gary
> Date:    Mon, 31 Mar 2003 10:43:18 -0600
> From:    Stan Wilder <wilden1@JUNO.COM>
> Subject: Re: emissions inspection failed on 83
>
> The way to go about getting past emissions is to set
> the AFM as lean as
> it will go and the engine still run.
> Change the oil and run the van for about 30 minutes at
> highway speeds
> to
> reach full temperature.
> Be sure you don't have any fuel or oil additives in
> the tank or engine.
> In Texas they put my van on a dyno and the rear wheels
> were a good
> 17/18
> inches higher than the front.
> I passed inspection but by a hair ........... the #1
> and #3 cylinders
> were running in engine oil.
> Next time I go I'm going to be sure that I'm at least
> a quart low so I
> can avoid this.
> If everything is up to snuff, good plugs, proper
> timing, lean AFM you
> should pass.
> My Catalytic Converter is empty and I squeaked by.
> My EGR canister, pipes and valve on the air
> distribution box had been
> removed.
>
> Stan Wilder
>
>
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