One of the things I remember on the American Cars was that the Vacuum
Advance was shut off until the Engine warmed up, for Pollution Control.
-----Original Message-----
From: Victor Laury <vlaury@earthlink.net>
To: datsunmike <datsunmike@nyc.rr.com>; datsun-roadsters@autox.team.net
<datsun-roadsters@autox.team.net>
Date: Monday, February 12, 2001 5:39 PM
Subject: Re: smog exempt????
>Smog exempt was a poor wording choice. What Stan meant was, They were not
>installed on cars going to countries with smog laws (USA after 68). They
>were installed as original equipment on all 67.5 - 70 SR roadsters shipped
>to the Canadian, Australian and the home Japanese markets.
>
>----- Original Message -----
>From: datsunmike <datsunmike@nyc.rr.com>
>To: <datsun-roadsters@autox.team.net>
>Sent: Monday, February 12, 2001 3:51 PM
>Subject: smog exempt????
>
>
>Pat,
>
>Are you sure they were smog exempt???? If they were smog exempt Roadsters
>would have been shipped to the US with the Solexes installed as in other
>countries. They were a dealer installed option here. It was because they
>couldn't meet whatever emissions standards were then in effect that US cars
>were not shipped with them. Only 67.5 cars were shipped with Solexes as in
>68 many regulations regarding safety and emissions came into force.
>
>Why dealers were able to install them I will never understand but I guess
>there were loopholes in the regulations. I do know headers were supplied in
>the "trunk" of either the Z28 or Shelby Mustang but could not be installed
>by the factory because of emissions.
>
>Mike
>
>----- Original Message -----
>From: "Patrick P. Castronovo" <slick1@mohaveaz.com>
>To: "STAN CHERNOFF" <az589@lafn.org>; "Chris Robertson"
><ckrobertson@hotmail.com>; <datsun-roadsters@autox.team.net>
>Sent: Monday, February 12, 2001 7:10 PM
>Subject: Re: why no vacuum adv with Solexes?
>
>
>> I think that the absence of the vacuum on the Solex has to do with why
>they
>> are Smog Exempt.
>>
>> -----Original Message-----
>> From: STAN CHERNOFF <az589@lafn.org>
>> To: Chris Robertson <ckrobertson@hotmail.com>;
>> datsun-roadsters@autox.team.net <datsun-roadsters@autox.team.net>
>> Date: Monday, February 12, 2001 8:29 AM
>> Subject: Re: why no vacuum adv with Solexes?
>>
>>
>> >Chris,
>> >
>> >There is no ported vacuum connection on standard roadster 44PHH carbs.
>> >
>> >Stan
>> >===========
>> >
>> >At 09:25 AM 2/12/01 -0600, Chris Robertson wrote:
>> >>Why does the U20 with a solex setup use a distributor with no vacuum
>> >>advance? Is it because static timing is set to 20 degrees? I would
>think
>> >>that it could still benefit from more advance at high rpms. Gordon?
>> >>Amyone?
>> >>
>> >>Thanks,
>> >>Chris
>> >>_________________________________________________________________
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