I just happened to go through the Arizona emissions testing yesterday with
my 71 TR6, for the second time. The test is done on a dyno for a loaded
reading and at idle.
Hydrocarbons in PPM- loaded standard is 450. Idle is also 450.
Carbon Monoxide in %-loaded standard is 3.75. Idle is 5.00
My first time through it failed the idle CO with a 5.62. Changed my air
filters, found a broken rubber elbow on the vacuum line on the carb which I
replaced and filled up with super unleaded . Ran a 3.91 after. The second
time I went when it was a littler cooler, that seems to make a difference
also(at least it does on me). Thank god, no pass, no plates!
John
----------
> From: Adrian Dix-Dyer <dixie4@wales.freeserve.co.uk>
> To: Paul J. Burr <tigerpb@ids.net>; Faulkner <sherry61@email.msn.com>;
triumphs@autox.team.net
> Subject: Re: Getting a TR4A through Enmissions
> Date: Thursday, November 11, 1999 12:48 PM
>
>
> Being in UK I would like to know what are the emission levels your TR4A
is
> expected to pass?
> Is it simply a CO level test? or is there a lot more to it?
>
> In UK at present any petrol powered car manufactured prior to 1975 has a
> basic visual smoke test at idle (as part part of an annual road worthy
test)
> and that is it.
>
> Being someone who actually does these tests on a daily basis I usually
carry
> out a metered test as a matter of course on vehicles prior to 1975 to
advise
> if they are abnormally high even if they pass the test criterior of the
> visual smoke test.
>
> Dixie
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