318... to stroke or not to stroke???

42 cubes difference in the 318 and 360 but only 18 cubes difference between a 390 and 408 stroker. Not that much difference. If the guy has the parts let him go for it. He might come up with a screamer of a combination that we will all want to duplicate. I have a 85' roller block that is just screaming for a 4" crank. If I just had a 64 Dart to put it in. lol
tmm