'68 Yenko, Transplant vs. COPO

[JoeC]

I have read that all L88s had the 850 Holley DP but I think Stan is right that at least in the beginning of the year the 67 L88 used a 850 vac sec. I have an old L88 Holley sitting in the garage that I hadn't looked at for 10 years and incorrectly remembered it to be a monster 850 DP. I dug it out today and it is a 850 Holley vac sec carb. The numbers are 3886091-AN list 3418-1 dated 0B2 so it must be a service part # carb made in 1970. (Al Colvin's book shows the 67 L88 Holley as 3886091 list# 3418) The throttle bore on the 850 is 1.750 dia where a 780 Holley is 1.687dia. Getting back to the 68 Yenko Camaro - the Super Chevy article on the blue 68 Yenko Camaro raffle car claims it had a L88 carb list# 4054 which would be a 1968 -69 L88 Holley DP. They also claim that this blue 68 Yenko is a COPO L72 MV code car.