"Dude" there's no "imagining". The 59' dual-four poly 318 was 290 H.P. with just a camshaft and induction change over the normal poly so getting 300 to 350 is nothing. Without going into everything on mine, it's stock stroke with the usual block and head work but with a small twin-screw supercharger and W/M injection. I never said I had a stock intake set up.