Not enough to even notice.
15-30 with the correct exhaust system
depends on the size of the headers and the size of the carb. low end.... 650 carb, small tube headers, you can expect about 275 horsepower
Chevy didn't make a 350 engine in 2001
it has 43 horsepower stock
250 to 350 hp depending on what model
1965 ss chevelles did not come with a 350 engine.
320 hp
350
No, Not even close.
How much horsepower does a 5.7 litre 350 cubic inch engine in a 1970 Monte Carlo have? ======================================================== My Chilton book shows : 350 cubic inch / 2 barrel carb / 250 horsepower 350 cubic inch / 4 barrel carb / 300 horsepower
an average 350 Chevy has between 160 and 180 horsepower
About 300, from the factory.
about 300 to 350 horsepower