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Yes, there were factory built 427 Chevelles in 1969. They were built
using the COPO process number 9562. Some magazine articles say they were the
Malibu with a 427 but I disagree with this description. The COPO and Yenko
Chevelles came down the line as an SS L78 car with the SS hood then had a
special code 427 installed, special rear end, and other hi po parts. On
front they used the SS grill and short eyebrows, SS front signal lights, and
SS side lights. On the rear quarter there is no "Malibu" emblem and on back
they used the SS black paint and trim between the tail lights. No Malibu trim
on the outside except the grill bowtie. The problem arose with the SS
emblems. The SS Chevelle emblems on the grill, rear panel, door panels and
dash read "SS 396" so they could not have been used with a 427 engine. The
COPO paper work exchanged the SS 396 emblem for a bowtie on the grill and
deleted the SS 396 fender and rear panel emblems. Inside the COPO exchanged
the Malibu door panels and dash trim for the SS 396 trim. The wheels on many
COPO Chevelles were the 14x7 SS wheel with the SS emblem. Yenko ordered his
99 COPO Chevelles as a double COPO 9562 and 9737 to get the 427, special
suspension, 15x7 Rally Wheels and some other hi po parts.
Another interesting topic on the COPO cars is the production
numbers. Some people use the number total 323 COPO Chevelles built (derived
from the number of engines produced) to estimate the number of cars built. I
believe 323 is an over estimate of car production. We know Yenko had the most
at 99, Berger sold about 10 and going by other documentation I believe there
were about 200 COPO Chevelles built (including the Yenkos) in 1969. This is
all my opinion.
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