You didn't mention what kind of carb you're running. The idle test failure when you leaned it out makes sense as you basically created a lean misfire. The loaded test however has nothing to do with the idle screws but with the power circuit. What were your loaded HC and NOx numbers? If HC was a pass and the NOx was really low you might want to increase the base timing. If the carb is new I would take it back to the supplier and have it replaced or at least have the primary cruise metering circuit fixed. BTW up here in BC we pull the Air Care licenses of "friendly mechanics".
Ernie and The Black Bitc_!!
-----Original Message----- From: mailing-list-owner@xxxxxxxxxxxxxxxx [mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of jsadowski Sent: Saturday, June 18, 2005 12:12 AM To: mailing-list@xxxxxxxxxxxxxxxx Subject: Re: IML: 69 Won't pass emmissions
I did change the oil & filter 2 weeks ago. One thing I'm not sure of is
on
the new carb, the instructions say to use one vacuum port for timed
advance
or the other for untimed advance. Since the car has dead when I changed
the
carb, I couldn't tell for sure which one is correct.
John
----- Original Message ----- From: "Brooks Harkey" <vm.dude@xxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Friday, June 17, 2005 8:52 PM
Subject: Re: IML: 69 Won't pass emmissions
John,mention
Always change the oil & filter right before you go. You did nothaving done that. Well, "always" = in the last 30 days or few humdred
anymiles, whatever. Also, make sure your tires are inflated to the max allowable, so the engine's not pushing extra load. Let us know ifof this helps.emmissions &
--Brooks in Dallas
jsadowski wrote:
I installed my new carb & the car runs nice now. I went for4.30.it failed the CO test. The standard here is 3.75 under load. I gotimprovements.The idle standard is 5.0 & I got 2.18 on the first test. After some adjustments to the carb, the retest showed 3.77 under load, just .02 away from passing & 1.07 at idle. Both bigreply toAnybody have any suggestions to get this darned car to pass? John
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