To sum it up.
As I wrote,
But to answer Buds question, ive found and could be wrong, but there were some us versions exported as export cars and then then there was the full mexi build.
Allpar explained it further/better. I think this might be why my early bee has that second vin tag. Not sure.
Via Allpar: An early production facility in Mexico City, the well-known Lago Alberto plant, was not closed until 2002, at which time it was producing trucks. U.S. components had been assembled along with Mexican ones to sell the finished product. A full line of Chryslers were available in the country, from Plymouths all the way to Imperials, in some years. One 60-year-old Chrysler dealership still has the owners’ 1958 Imperial in their showroom.
From 1974 to 1976, Dodge and Plymouth had kept the U.S. versions of the cars unchanged. Taking advantage of the lack of Plymouth in Mexico, Chrysler attached Plymouth noses and tail-lights to their cars in 1976 as their annual update.
In 1975 the Monaco became the Royal Monaco, available only as a two and four door sedan and station wagon. The rest of the cars were the same.
In 1976 the Super Bee had the 360 V8, making it by far the fastest Mexican car. A special version of a Valiant Super Bee was used by the Mexican Federal Highway Police. Those patrol cars were immensely successful and at the time it was hard to find anything faster. A Lamborhini Miura owner told me that a curious police officer raced his patrol car against his Lambo in a deserted stretch of Mexican Highway, and that the Valiant went head-to-head with the Lambo all the way.
1977 brought the final Monaco to Mexico as well as the U.S. By far the best looking of them all, it sold well once Mexico recovered from the effect of the 1976 peso devaluation and subsequent economic crisis and inflation. The new generation of Valiant and Dart, called Aspen and Volare, were brought to Mexico, but the Dart used the Volare nose and Aspen rear, and the Valiant used the Volare rear and Aspen nose. The Valiant was available only as a two-door sedan with the 225 Slant Six while the Dart had two or four doors, with the 225 Slant Six or the 360 V8, manual or automatic. The Super Bee lived on with its 360 4-bbl.
The Super Bee bowed goodbye at the end of the 1980 model year, replaced by the Dodge Magnum. The Magnum had the large 360 V8 4-bbl, sport wheels, bucket seats and four-speed manual transmission. It was very powerful and kept well the tradition left by the Super Bee. Chrysler also brought down the Diplomat (based on the Volare, which was based on the Valiant) as a Dart in 1981, in both two and four door versions, with six and eight cylinders.