Today, dollar for dollar, is the 318 faster than the 340 ???

There’s no magical 4” bore , 4” bore shrouds the valves too just less than a 3.91” bore, but at the power level we’re dealing with is that big a deal ??

If you built a 0.060” 318 with a 4” stroke 396 and a 0.040” 360 with a 4” stroke 410, built the same like trick flows 285 cam 10.5:1 Cr etc.. is the 4.04” vs 3.97” bore gonna make that huge of a difference?? Even 3.94” ??

Not saying there won’t be a difference but a lot smaller than most on here seem to think.