1966 Ford Engine Code. 1965 Ford Truck Shop Manual 1966 Ford Truck Shop Manual 64-72 Ford Truck Master Parts Catalog. The T intake is basically a slightly revised 1958-65 intake.
A choice of four different engines. 65A - 2 Dr Hard. The S intake is simply an all-new design for 1966 and it has a tall skinny runner.
Ford 9510 4-barrel Dual exhaust system with resonators.
The S intake is simply an all-new design for 1966 and it has a tall skinny runner. ENGINE CODEDESCRIPTION Z Thunderbird 390 Special V-8 Bore stroke. Top Loader 4-speed manual Rearend. Ford 9-inch with 389 gears Interior.