Hmmm...
I switched to Mobil 1 5W30 around 170K... I'm at 196K now... no leakage that wasn't there already (I have some seeping around my valve covers). So, like you said, for all the bad stories there are good ones as well. I've been really happy with the Mobil 1.

Joel


1998 Toyota T100 SR5 ExtraCab 4WD