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Triumph TR6 - Day of Manufacture

Well, hello everyone. New to the site...3rd time British Car owner (original owner Spitfire and maybe 7th owner E-Type -1E13218- series 1, now a 1973 TR6 -CF3581UO-).

Read a thread about day of manufacture, so I thought I would see what day mine might have been born on. Here's how I did it for CF 3581 UO...

Known:
CF 1 U produced on Sept 11, 1972
CF 4028 U produced on Dec 31, 1972
Between 9/11/72 and 12/31/72 there are 79 workdays

Guessed:
There are 2 holidays in 1972 for that time (Christmas, Boxing Day)
Given 2 holidays, there would be 77 workdays between 9/11/72 to 12/31/72
4028 cars produced in 77 workdays gives 52.3 cars/day
3581 (my number) cars produced at 52.3 cars per day yields about 68.4 days
68 days past Sept 11, 1972 gives a date of about December 14, 1972

December 14, 1972 is best guess for birthday of CF 3581 OU

Plate reads December 1972.

Like to find out for sure, until then, Dec 14th is the day.



S Adams

You can fire off an email and get all that ,you know!!


OH, and welcome
And that is a pretty picture
DON KELLY

Could you send that email address over to me? I had no idea...could have saved me about 45 minutes of figuring this date of birth out in the first place.

Thanks for the review on the pic. BTW, I have a friend in San Juan with a (hmm...74, I think) and needs a replacement EGR valve...any ideas on that? He is supposedly tried everything.

Thanks,
Steve
S Adams

What's his name,the guy in PR?

Here's the web address
http://www.heritage-motor-centre.co.uk/store/heritage-certificates-and-archive-services.html
DON KELLY

Don,

Did you get my email to you regarding the guy in PR? Thanks for your info, I sent away for the history of the car, they know how to charge over there, don't they?

Take care,
Steve Adams
S. Florida
S Adams

Steve- Don't know that I did
DON KELLY

This thread was discussed between 16/07/2013 and 14/08/2013

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