255 hp stock with a 4 barrell
305
275 hp.
Check a site called fullthrottlev6
with a 350 engine: about 175 Horses and runs about 135 mph.
My Chilton book shows ( 170 horsepower at 3800 RPM and 270 ft-lbs torque at 2400 RPM )
.035 is recommended
you can get a computer chip for it and install it and that resets all the engine functions such as timing etc.
it has 170 hp at low rpms and 255 at 4,000 rpm
A 1970 Chevy chevelle has 500 HORSEPOWER and 450 FOOT POUNDS OF TORQUE.
1970 Pontiac catalina coupe and sedan had a standard 350 255 horsepower the 400 was optional rated at 265 horsepower
about 175 to 200 horse about 175 to 200 horse
Depends on the engine