285 hp 335 torque
a 350 will produce around 250 hp, and a 305 about 200 hp
2003 Silverado HD pickups lineup-came with your choice of a 300-hp 6.0-liter Vortec V-8, a 340-hp 8.1-liter big-block Vortec V-8, or the 300-hp 6.6-liter Duramax diesel V-8.
315 hp
255 hp and 308 torgue
I believe 190 hp. That's what my 99 Jimmy with a vortec 4.3 is estimated at. The basic 4.3 Vortec V-6 was rated at 160 or 165 hp. Starting in 1994 an "enhanced Vortec" 4.3 V-6 of 195 HP became available alongside the basic version.
290 HP
190hp
397 hp
The 8.1L vortec comes stock with 330 hp and about 450 pound feet of torque.
245 hp.
50
Vortec 4.3 should be 200 hp, however, it didn't come out until '94. Standard 4.3 is 160 hp.