140-185 depending on the application.
Advertised Horsepower is : 155 HP @ 4000 RPMs.
I have an 82' impala wagon and the factory 305 4bbl that is in it is rated at 145hp.
305 horsepower
A Chevy 305 with a roller cam will have MORE power than a 305 with a flat tappet cam if both are installed in the same engine. The horsepower of any 305 depends on what all is done to the engine. Changing from flat tappet to roller will gain some. There are other ways to increase horsepower and there are other ways to increase torque.
305
170 HP @ 4000, 255 lb-ft @ 2400.
235 horse is stock on 98 305
the 1986 Chevy truck 305 HO produced 180 hp
More information required.
they were available from 140-185 hp.
about 165 hp
Is a 2.8 liter engine a 305?