You're welcome… glad I was able to help out! I tried out your settings, too, and honestly, that's a better sound than I've been able to coax out of the octaver. So, thank you for helping me find a new sound! I agree, too, that the diatonic shifter does a good job, as does the H910.
You're right, it's not a sound I would've associated with SRV, but I've always loved what Blackmore did with it in Difficult to Cure, among others, and Page, too. I think they both used the MXR Blue Box. I like using an octaver with heavy single-note riffs and power chords, too, along the lines of Kiss' Gos of Thunder. Not something I'd use all the time, but definitely a cool effect!