- 1960 Factory-verified
Eldorado; kit "Eldorado Engine"; see eldorado.md
GM Heritage factory kit — 1960 Cadillac VVI, p.194. - 1963 Confirmed
New
- 1964 Confirmed
All
- 1965 Factory-verified
All
GM Heritage factory kit — 1965 Cadillac VVI, p.153. - 1966 Factory-verified
All
GM Heritage factory kit — 1966 Cadillac VVI, p.71. - 1967–68 Confirmed
All
Q Factory-verified
Also described as Eldorado triple-carburetor engine (tri-power)Tilt steering wheelTilt steering wheel (tilt & telescope late)Eldorado triple-carburetor (tri-power) engine — 345 hp
Documented applications
- 1960 Factory-verified
Eldorado engine optional on other series; kit "345-Horsepower Cadillac 'Q' Engine" (p.102), "standard on Eldorados and optional" (p.118), code Q on the accessory-code chart (p.194)
GM Heritage factory kit — 1960 Cadillac VVI, p.194.
This page aggregates every documented appearance of Q in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.