The standard engines in 1966 Mustangs were the 200 CU, in-line six cylinders. They had a 9.2:1 compression ratio, hydraulic lifters, and 120 horsepower at 4400 rpm. Carburetion was an Autolite single barrel carburetor number C60F 9510-AD. If you ordered the sprint package, a chrome air cleaner topped off the carburetor. The optional V-8s in 1966 were the 289ci 2bbl engine rated at 164 hp engines and then the 289ci 4bbl 210 hp engine. and the 289 HiPo engine rated at 271 horsepower. The 289 2bbl engine produced 200 horsepower with the use a an Autolite 2100 2bbl carburetor. Valve sizes in all the 289 engines were identical. The 289 4bbl engine produced 225 horsepower through the use of higher compression heads and a 4 barrel carburetor. The 289 HiPo engine had solid lifters, a different low resistance exhaust manifold, and higher compression. If you bought the HiPo engine, you had to get the 4-speed transmission. The default transmission was the 3 speed. However for a few measly dollars more one could buy either an automatic transmission or a 4-speed manual tranny. Most cars in 1966 were ordered or equipped with the Cruise-O-Matic transmission. The second most ordered transmission was the standard 3-speed. 4-speed transmissions were the rarest transmissions ordered in 1966.Price plus $2,000 reconditioning fees on all qualifying vehicles. Sales tax, in your County, title, and tags not included in vehicle prices shown and must be paid by the purchaser. While great effort is made to ensure the accuracy of the information on this site, errors do occur. Please confirm availability of vehicle. So please verify information with a custom service representative. This is easily done calling us or visiting us at the dealership.
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