In 1963 and 64 GM built a 429 it was in the caddy
1964 is the first year for “climate control” heating and air conditioning systems in Cadillac. 1,870 El Dorados built in 1964, all were convertibles.SPECIFICATIONS
ENGINE: Eight-cylinder, 340 H.P., overhead, 90 degrees V-type; bore 4.13"; stroke 4.0"; displacement 429 cu. In. Max. torque 480 ft.-lbs. Engine mounted in rubber at three points. Compression ratio 10.5 to 1.
PISTONS: Aluminum alloy, slipper type to reduce friction surfaces and permit nesting between crankshaft counterweights. Two compression rings, one oil ring with expander; top compression ring chrome-plated to minimize wear on cylinder walls. Recessed contour in piston head increases turbulence for fast, complete burning of fuel-air mixture.
CARBURETOR: Four-barrel downdraft with equalized manifolding; mechanical fuel pump; dry type air filter; automatic choke.
LUBRICATION: Full pressure. Full-flow oil filter standard