Carter Thermoquad question
Its an older thread, but if still seeking information for this Thermo-Quad, the #9377S was equipped on 1981 360 heavy duty truck late year Federal applications. The original Chrysler part number is 4213714.
Primary jets: 120-4096
Secondary jets: 120-5125
Metering rods: 75- 2377 with step sizes: .066", .054", .040"
Primary bores: 1-3/8"
Flow rating: 750-800cfm
The carburetor shown was manufactured Friday, April 24, 1981.