Trans Am Ws6 Engine. Trans ams came equipped with a standard 403 cu in rated for 185hp but it was the more powerful pontiac built 220hp 400 option mandating a four speed manual that garnered attention. The 2002 model year ws6 trans am produced 325 hp 242 kw at 5 200 rpm and 350 lb ft 475 n m of torque at 4 000 rpm out of its 5 7 liter ls1 v8 engine.
This pushrod engine had a 16 valve design with a 3 90 inch bore a 3 62 inch stroke and a compression ratio of 10 1 to 1. The firebird ws6 was powered by the 5 7 liter ls1 v 8 engine. 21 500 2002 pontiac trans am ws6.
A completely stock ws6 completed the mile in 13 16 seconds at 106 05 mph on eagle f1 street tires.
The ws6 mods boost horsepower and torque peaks to 320 and 345 respectively up from the stock trans am s 305 and 320 figures. But depending on an owner s budget this car is fully capable of producing over 500 horsepower and 600 lb ft. 2000 trans am ws6 44 992 miles 5 7l sfi v8 4 speed automatic transmission rear end is. This pushrod engine had a 16 valve design with a 3 90 inch bore a 3 62 inch stroke and a compression ratio of 10 1 to 1.