Brilliant photos Ken. Lothar was one of the great Can-Am privateers, and raced several McLarens throughout. He managed to get his hands on a couple of the factory team cars after McLaren was done with them, including a 1969 M8B, which he raced and crashed a couple of times in 1970.

The Sam Posey McLaren was prepared by Ray Caldwell of Autodynamics. Caldwell and Posey were a partnership for several years in the Can-Am, and including the construction of the Caldwell D7, which I think was funded by Posey. He came from money, and could always afford top equipment.

Posey and Caldwell approached Chrysler Corporation about running a factory supported car in the 1970 SCCA Trans-Am series. Dan Gurney's AAR got the gig to run a pair of Plymouth Cudas for himself and Swede Savage, while Caldwell and Posey ran a Dodge Challenger for Posey. They had a pretty rough season, and never won a race, which Chrysler wasn't too impressed about. The relationship between Posey and Caldwell soured as a result, and I believe they split at the end of the year.

Quote Originally Posted by khyndart in CA View Post
Riversde. April 1967.
Two well known drivers from the early days of Can Am events.

Sam Posey in a McLaren M1B # 2.

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Lothar Motschenbacher, competed in almost all Can Am races from 1966 t0 1974.

in his McLaren Elva Mark 2 # 11

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( John Lacko photos.)