looking at a 71 rs ss camaro,with a 396 375hp solid lift cam.car also has A/C.I heard they did not offer that.but on chevy-camaro.com they say if car came from norwood ohio the LS3 would be 375.which this car was made.did they have some left over blocks,car also has vacum pump to brakes don't know if its factory.what other things can I look for to see if its a big block car.It also has a 12 bolt rear,did they come that way.thanks howie
