[Tigers] Timing

[Tom Witt]

Ron,
In California (maybe the whole USA???) foreign cars were given a two year “pass” (66/67) on meeting the more stringent smog laws held to American cars.  Hence the Tiger ‘66/’67 did not have to meet the same requirements of a Mustang. Had there been a 1968 Tiger they would have had to use the air injection pump. Back in the 80’s California smogged 1966 and up cars. A 65 Mustang was far more desirable than a ‘66 for that reason.  Thankfully today only 1976 and newer cars need be smogged in Calif.

  

From: Ron Fraser 
Sent: Monday, November 06, 2017 4:30 PM
To: 'Tom Witt' ; tigers at Autox.Team.Net 
Subject: RE: [Tigers] Timing

Tom

                The PCV valve on all Tiger engines is the start of emissions control – this eliminated the road tube that sort of siphoned fumes under the car.

 

The Mk IIs, 1966 289 engine have emission heads but the air pump injector ports are not machined – these are the C6OE-M heads and there is a flat spot just by the exhaust port where the injector port could be machined.

 

Ron Fraser

 

From: Tigers [mailto:tigers-bounces at autox.team.net] On Behalf Of Tom Witt via Tigers
Sent: Monday, November 06, 2017 2:40 PM
To: tigers at autox.team.net
Subject: Re: [Tigers] Timing

 

For a period of time in the 70’s California required I believe it was... ‘55-‘65 cars to install a NOX system. It consisted of a radiator hose sized copper tube about 3” long, it had a heat sensitive vacuum port (in/out) and two hose clamps. The hose was cut near the radiator and the device inserted. The vacuum source was run to this device and then back to the vacuum advance. It was suppose to reduce NOX by stopping the vacuum advance until the car was warmed up.  Most people just bypassed it after passing the test. There was an even simpler means that consisted of two port caps and a sticker that stated the vacuum advance was disabled – completely. I believe the sticker even discouraged long, heavy throttle usage.  I know some of the Ford 6 cylinder cars had no mechanical advance at all, - only vacuum. Disable that and you got nothing! EFI and computer controlled ignition sure is nice to have these days.

 

BTW, at least in California one way to tell a ‘65 from a ‘66 Mustang is to look under the hood.  1966 was the year the state ramped up the smog stuff big time.

 


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