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.
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
How much does a 2006 chevy 5.3 have
The 8.1L vortec comes stock with 330 hp and about 450 pound feet of torque.
The Vortec 5.3 Liter V8 engine produces 295 horse power.
350
370 hp