Just to clarify, I'm not arguing. Before I had both timing covers in hand for comparison, these places are where I got my information from...

3800Pro.com Forum - View Single Post - 3800 OILING -TECH- analyzing deficiencies

L67 vs. L32 short block durability - 3800Pro.com Forum

Either way, I have a S III cover and that's what I'll be using, lol. It appears the best cover to have is a SII with that passage bored out, and modifying it to be able to use a SI oil pump.