Found ya an article.
CLICK HERE
A caution: Paco's loads are quite warm. OK, they're downright HOT! His reasoning is that book loads for the 358 Win are limited to pressures not much above those of the 35 Rem, whereas every other round based on the 308 case (as the 358 is) is loaded to 308 pressure specs. When the 358 is stoked to 308 pressures, it equals the 35 Whelen and is neck-and-neck with the 375 H&H!