It's exactly 360.42 Cubic InchesStock Stroke is 3.48 60 over is 4.060 BoreTo make a 383 stroker you need a 3.75 inch stroke crank, and 4.030 BoreActual displacement is 382.67 Cubic Inches
4.310
If my math is correct , just over 362 cubic inches ( 4 inch bore x 3.5 inch stroke , bored .060 inches )
4.06(bore)/2=2.03(radius)*2.03=4.1209*3.14159(pi)=12.94617(square inches)*3.48(stroke)=45.0527*8(# cylinders)=360.4216cu.in. Most engine manufacturers round up, so this would be a 361.
4.310 bore X 4.250 stroke -- basically a 454 bored .060 over with a 1/4 inch longer stroke crankshaft as compared to the 4.250 stock bore size and 4.000 inch stroke of a 454. Just as an aside FYI, 427's have the same stock bore size as a 454's but have a 3.760 stroke.
There wouldn't be enough deck height to get a 6" stroke. The longest I've seen is around 4", and that requires a special block. A .060" overbore with stock stroke would be about 360 cubes. With 400 crank, it would be 388.
10 degrees with a stock cam
If my math is correct : using a 4 inch bore and a 3.48 inch stroke , with the cylinders bored .060 , just over ( 360 cubic inches )
a Chevy 350 bored .060 over would be 360.4 cubic inches
a BOSS 414!
I've heard of going .060" over, but most builders feel .030" over is the limit.
.060"