I recently purchased a 67 mustang 6cyl out of a field, The only paper work that I have on the car is a auction tag fr 1992 when its owner the US Air force sold it.   I have a old WW2 scheme planned for this car if I can trace all its origin with the USAF.

In the tear down of the car yesterday I came across a sticker attached to the gauge cluster. The sticker is Kar-Kit Nox emission control system, from Air Quality I 1973, and advises not to maintain a speed of over 60 mph.  Does anyone know this sticker or have any info on it. Is it something that was added by the USAF? I like how the sticker looks and will be reusing it in the build like warning labels seen on aircraft...  Also does anyone know a way to get the info if it exists from the USAF on the history of the car?  

Naw, Kar-Kit was a NOX reduction scheme used in CA in the 70's. (I used to install them back then).  Anyway, a Kar-Kit plugged the vacum advance lines to the carb and distributor and retarded the timing. It also installed the sticker on the inst panel. The 60 MPH came from the oil embargo of the 70's and the national speed limit was 55. There was also a chance of overheating since the vac adv was deactivated and the static timing was retarded.  

There is no requirement to use the kar-kit anymore so I would suggest you remove it, add the vac adv hose back to the dist, and adjust the timing back to factory specs.  

Thanks for the Info, I wasn't sure if it was a ad on emissions requiment or something added by the Air Force....

Oh and I plan to do alot more then remove it, the whole 6 is coming out to be replaced by a nicely built 289...  I have big plans for this build, hopefully I can get it all together, but with the limited budget every month it will be a long build....  

Hay dc67stng - it sounds like a great adventure. I wish you the best in your long build. I've found that patience is hard to come by some times. Let us know how it's going from time to time.  Is this your first build?  

dc67stang:
Thanks for the Info, I wasn't sure if it was a ad on emissions requiment or something added by the Air Force....

Oh and I plan to do alot more then remove it, the whole 6 is coming out to be replaced by a nicely built 289...  I have big plans for this build, hopefully I can get it all together, but with the limited budget every month it will be a long build....

If I could share some experience with you. Don't start any major redo until you have all of the money to fund it(& time). That way the disassy wil be fresh in your mind when you start the reassy.