As I said though when publishing factual stuff it does need to be correct. Typing stuff here in technical answers is publishing in a form. In general or generic comments it doesn't matter so much. I am correct on the LS engine though, there is probably better sport to be had where the lines are more blurred! I'd reckon that more than over 90% of people who are interested in GM history know an LS isn't a Chev engine. It is probably just the owners that use them and don't know better that think they are a Chevrolet engine. The rest are probably like the Ford fan that owns a GT Falcon that points at a V2 Monaro and calls it "just another Commodore" or other such ill informed nonsense, and won't be told otherwise, yet gets upset when I call their GT a Fairmont! Believe me it happens.