I also "tighten up" the mixture screws as far as possible to make the car
run as lean as possible. Sometimes this means almost all the way to the
top. Again, only do this for the test , you can return to a smoother idle
afterwards. I also set the timing at 5-10 btc, depending on the cam in the
dist.
Mike Koken
----- Original Message -----
From: "lou daly" <lou_daly@yahoo.com>
To: <datsun-roadsters@autox.team.net>
Sent: Tuesday, September 11, 2001 2:38 PM
Subject: emission results???
> Hello List
>
> I have a question re getting my '69 1600 ready for
> emission testing in Az.I failed the first time. Not
> surprising as it hasn't seen a tune-up in a long time
> and the oil is dirty.
>
> I'm going to follow this advice from the list
> yesterday
>
> "A few recommendations:
> Two cans of "isopropyl alcohol" in the tank.
> Timing at TDC (don't drive too long this way)
> 195 Thermostat. Usually I run 180F.
> FULL TUNE UP. As usual I recommend the earlier
> SU needles.
> CHANGE THE OIL right before the inspection.
> Some good "hot runs" to blow the carbon out the
> exhaust, and keep that puppy nice and warm for
> testing."
>
> My question is:
> How do i interpret the test results?
> (e.g. is 'precond standard' the expected or ideal
> result?)
>
> The test results are here
> http://javalina.library.arizona.edu:7778/doc/emiss.htm
>
> Thanks
> any help greatly appreciated
> Lou
> 69 1600
> 66 1600
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