The 8.1L vortec comes stock with 330 hp and about 450 pound feet of torque.
I believe it is 260 horsepower.
The horsepower of a GMC Sierra is 355 hp.
vortec 454,1996 thru 1999-->>>290HP 410TQ
397 hp
About 190 H.P.
215@2800. Rpm
197 rwh stock
The Vortec 5.3 Liter V8 engine produces 295 horse power.
300 hp
145.
It has 275 hp.
Chevy never made a 327 vortec. the last time they produced a 327 was in 1969, while the first vortec was made in the early 1990s.