The Factory5.7(350) V8 Vortec was rated at 255 net hp @4600rpm and 330 net torque @2800rpm
175 hp 205 ft lbs of torque
The 4.3 vortec engine generates 190 hp with 253 pound-feet of torque running on gasoline. Using propane, it generates 183 hp with 247 pound-feet of torque. If the fuel used is natural gas, it induces 164 hp with 230 pound-feet of torque.
270 H.P. & 215 Lb/Ft of torque
185 hp and 190 lbs of torque
The 8.1L vortec comes stock with 330 hp and about 450 pound feet of torque.
2001 and up produced 270-285hp with 285-295ft-lbs torque.
A GM Vortec 305 4.8 liter engine has a rating of 315 horsepower. It is not good for towing, however, having little torque on the low end.
I believe 130 HP, and 240 FT/Lbs of torque.
A stock 350 cubic inch engine in a 1994 Chevy 4 x 4 will put out 310 foot pounds of torque. It does this at 2400 rpm.