40IDA3C for February 1966 911 - $8500
Remanufactured and restored, matched pair of Weber IDA carbs and sand cast intake manifolds for 911 as first produced with Webers in February 1966.
Carburetor part & serial numbers:
40IDA3C; S/N 187
40IDA3C1; S/N 61
Fully blueprinted and restored including fuel gallery plug & stud removal
Corrosion free throttle bodies and manifolds
Six sintered bronze throttle shaft bushings installed per carburetor
Throttle bores re-sized and custom sized throttle valves installed
New long throttle shafts
New short throttle shafts
Jetted for 2.0 911 Normal
Test run and all adjustable features tuned
Throttle bodies refinished with period correct raw aluminum exterior by vapor blasting
Steel hardware restored (zinc plated with silver finish except grub screws for main venturi retention finished in black)
Accelerator linkage bits are nickel plated
Intake air horns are OEM, period correct and nickel plated
Intake manifolds are sand cast which is correct for the earliest installation of Webers onto 911 engines.
Manifolds decked, refinished in black chromate, studs & shaft removed & refinished
Air horn washers are the unusual brass type used to guide socket during tightening
OEM brass fuel floats
Fuel inlet banjo fittings are very rare, two-piece construction with long necks
Fuel line ferrules are OEM Cohline
Throttle shafts have thinned cross-section per OEM specification
Vent pipes in top covers have reduced bushings staked in-place at the top and the flanged washers at the bottom; design details of the earliest version of 40IDA3C Webers.
Throttle housings and top covers are the early IDA type which pre-date those after introduction of the IDS carburetor.
Throttle shaft couplings are of the earlier style of the “folded-spring” coupling which incorporated a notch for anti-rotation of the fixing bolts.