My car was always a Colorado car. When I got it it had a Torker manifold and a 600 cfm Holley. I was told by a guy that worked for Johnny Haas L/M that all of the Panteras were sent out for modifications to run at altitude. Most of the Panteras sold in Denver were sold at this dealer. Mine was.
The following photo is of the plackard that was attached to both valve covers. Dennis at Pantera performance would know. Pantera Specialties was the original name of Pantera Performance before Dennis got it. Back in the late 70's it was owned by a guy named O'Brien. I had a ride in his 427 cid Pantera. It was fast.
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