One of the manufacturers recently came out with a quadrajet TBI setup. No adapter needed (except the usual throttle add on, I'd assume). Holley, if memory serves. Saw the ad in car craft, I think.
Hello kowalski440,
Yes Holley has one. Is this the one you are referring to ?
Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
Or the
Sniper EFI Quadrajetâ„¢.
"On your classic Chevrolet, GMC, Buick, Oldsmobile, or Pontiac?"
"The first bolt on spread bore electronic fuel injected throttle body system that does not require any additional adapters, sealing plates, or intake manifold swaps!" Sniper EFI Quadrajetâ„¢ - Holley Performance Products