searching for Crank

isn't the 318 crank the same as a 340-- stroke wise? so a 318 forged crank is the same as the 340? Lawrence
Engine Years (USA)* Stroke Bore
3.9 1988-2003 3.31 3.91
273 1964-69 3.31 3.63
318 (5.2) 1967-2002 3.31 3.91
340 1968-73 3.31 4.04
360 (5.9) 1971-2002* 3.58 4.00
488 V-10 1991 - 2002 3.88 4.00
505 V-10 2002 - 3.96 4.03
* “They put the 360 in a few of the trucks in early 2003.” — Rovell Rangel