[DeTomaso] California engine swap exemption question

[John Buckman]

Doug,

It's on the left side B pillar.

John



On Dec 19, 2010, at 12:30 PM, doug351c wrote:

> Where is the build date located?  The body service # is 51308
>  
> Doug
> -----Original Message-----
> From: Pantdino [mailto:pantdino at aol.com]
> Sent: Saturday, December 18, 2010 12:48 PM
> To: doug351c at gmail.com; jb841 at cox.net; detomaso at realbig.com
> Subject: Re: [DeTomaso] California engine swap exemption question
> 
> What is the build date of your car?
> If it is late enough in 1973 it may have been built to 1974 model year specs
>  
> Jim
> 
> 
> -----Original Message-----
> From: doug351c <doug351c at gmail.com>
> To: John Buckman <jb841 at cox.net>; detomaso at realbig.com
> Sent: Sat, Dec 18, 2010 11:31 am
> Subject: Re: [DeTomaso] California engine swap exemption question
> 
> I have a correction for you.  My 1973 came with an EGR system which I still
> have in a box.
> 
> Doug Braun
> blue 73L 5505
> 
> -----Original Message-----
> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com]On Behalf Of John Buckman
> Sent: Friday, December 17, 2010 7:55 PM
> To: detomaso at realbig.com
> Subject: Re: [DeTomaso]   California engine swap exemption question
> 
> 
> I'm going to limit this to Fords, but most (if not all) should pertain to
> other makes.
> 
> There were several factors that were used to determine whether or not a car
> was delivered with a smog pump (in California).
> 
> 1.   The county where the car was sold.  Some California counties did not
> require smog checks.
> 2.   If the manufacturer could not get an engine to pass a smog check , then
> a smog pump was added.
> 3.   The smog pump was an option that could be ordered on some cars.
> 
> The Ford era Panteras never had a smog pump.  The worst that it got was an
> EGR system in 1974.
> 
> Here is some interesting info form the Ford FE Engine Forum Archives:
> 
> Thermactor (Ford's smog pump) became mandatory in 1966 on some FE cars sold
> in California and New York due to the
> progressive automobile pollution control of those states.  The California
> and New York engines which required Thermactor
> usually had performance cams, such as the 390GT amd 428PI ca,s, as these
> cams had a valve overlap large enough to
> permit raw fuel to pass straight through to the exhaust without being
> burned, and richer-jetted carbs which promoted the
> generation of carbon monoxide, creating unsatisfactory emissions levels.
> The Thermactor pump injected a tiny amount of
> air into the exhaust ports to promote complete combustion of the unburned
> fuel, as well as combust carbon monoxide which
> results from the rich fuel-air mixture.  Some counties in California
> actually required Thermactor on all FE cars sold in 1966
> and 1967 due to particularly bad air pollution issues.  When not mandatory,
> Thermactor was a $46.00 option available on
> every FE sold in the US, and was priced "at cost", not a profit for Ford.
> So you would occasionally find Thermactor equipped
> FEs in unexpected circumstances, and it would be listed on the window
> sticker.
> 
> In 1968, the California and New York emissions laws were basically adopted
> by the Feds, making Thermactor mandatory
> on all performance-cammed FE cars sold in the 50 states.  This is why the
> 427 inherited the hydraulic cam and Thermactor
> for 1968, since it was the only way it would pass emissions, and 500
> hydraulic 1968 427s were needed for NASCAR
> homologation rules.  Note that 427-4V Fairlanes failed California emissions
> laws in 1966 and 1967, but a loophole in the
> law exempted twin-carb V-8s from emissions regulations, so 427-8V (dual
> quads) Fairlanes were legal for sale in California.
> This loophole also applied to 1967 Shelby Mustangs sold in California, which
> could run a solid cammed 428 without
> emissions controls if twin carbs were part of the package.
> 
> John
> 
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