850CFM Carburetor - Street - E/C

The 850CFM Carburetor – Street – E/C from Quick Fuel Technology is purpose-built for street-driven vehicles that demand reliable fuel delivery across a broad RPM band. At 850 cubic feet per minute, this carb strikes the ideal balance for engines in the 350–450 horsepower range, making it the go-to choice for cruisers, restorations, and daily-driver hot rods. Whether you're swapping a carburetor into a vintage build or upgrading from a worn original, this Street series unit delivers consistent atomization and throttle response without the tuning complexity of larger competition-grade designs.

Quick Fuel's Street E/C configuration features electric choke and mechanical secondaries, combining ease of cold-start operation with predictable fuel metering during acceleration. The carburetor employs precision-drilled jets and calibrated booster venturis that optimize air-fuel mixture across idle, cruise, and wide-open throttle conditions—critical for street manners and part-throttle economy. Cast aluminum construction keeps weight down at 9.35 lbs, while the compact 11.5 × 8 × 12.5 inch envelope fits standard 4-barrel mounting pads without requiring exotic adapters or hood clearance mods on most vintage and muscle car platforms.

This carburetor is ideal for builders modernizing carbureted powerplants or those seeking bulletproof reliability in street applications where fuel injection tuning or complexity isn't desired. Installation requires only standard carburetor studs and compatible fuel inlet fittings; the electric choke simplifies warm-up, especially valuable in cold climates or stop-and-go traffic. Technicians appreciate the accessibility of jets and metering rods for lean-out or enrichment adjustments, allowing final tuning to accommodate altitude, fuel octane, and engine modifications without breaking down the entire unit.