I believe those are 73+ carbs if they have the float vent tubes and valves.
Take a look at TRF or Moss diagrams in their online catalogs. They are in the
emission section.
Lou
72 Pimento
> On Jul 6, 2022, at 3:54 PM, 6pack-request@autox.team.net wrote:
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> 1. Re: 73 emissions question (Robert Perry)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Wed, 06 Jul 2022 17:42:35 +0000
> From: Robert Perry <rgperry@earthlink.net>
> To: Yahoo <brucesimms2003@yahoo.ca>, 6pack@autox.team.net
> Subject: Re: [6pack] 73 emissions question
> Message-ID: <ec4ec016-7092-243a-11ab-98f260055de6@earthlink.net>
> Content-Type: text/plain; charset="utf-8"
>
> Bruce,
> ?
> Attached are two pics on an original 1972 TR6 with ZS carbs with no emissions
> except for carbon canister in the front next to the radiator.
> ?
> Regards,
> ?
> Robert
> -----Original Message-----
> From: Yahoo
> Sent: Jul 5, 2022 9:05 PM
> To: 6pack@autox.team.net
> Subject: [6pack] 73 emissions question
> ?
> Hi all? ? just went back to ZS carbs after 20 years with hs6.? ?I had a
> decent set of ZS on the shelf so used them rather then rebuilding hs6? ?
> Looking at the carbs from the passenger side of the car, the metal tubes that
> go straight out to the left are vented to air.? ?Should the metal tubes on
> the right side that go up at a 45 degree angle be capped or vented to air??I
> ran the vacuum line from retard capsule over to bottom of carb.? The rocker
> cover vent tube vents to air outside the engine bay.? No emissions test or
> inspection in my sparsely populated province.? ?
> Thank you, Bruce Simms?
>
> Sent from Yahoo Mail on Android
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>
>
>
> ?
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