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Original Message
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RE: Question For Mr. F. |
By Skip C. - 06/08/2001 10:08:22 AM; IP 192.58.199.176 |
Thanks Dave. I guess I wasn't clear. The shorter duration/greater lift cam started (I think) in 1966. There was only one cam in 1966. The longer duration/lower lift cam was from 1961-1965. The cam change seems to coinside with the change to the 446 carb. According to the '66 T-bird shop manual, some of the '66 Birds came with thermactor (and smaller jets in the carb). I guess the thermactor (air pump) was probably for California only. Do you know if there were any tailpipe emissions regulations (other than California) in 1966 ? This seems like the only reason to change the cam & carb, although the mileage probably improved a little. Skip |
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