Neck pickup. Cut down the "mids" on the amp (maybe around 3-4) and put the lows all the way up and highs to about 8... I think... Gain up, not all the way but a lot.

Delay is an echo, reverb is like echo but less obvious. Like the kind of echo you get in a large room when you yell, and can here the sound but can't actually make out the word... That's basically what reverb is. It's handy to making your sound more full, but it's not nessisary here.
That would be a pinch harmonic.
Jackson SL3 Soloist
89' Ibanez RG570
Vader 4x12 Cabinet
Line 6 HD147 Head
6space HEAD/RACK case
Korg DTR1000 Rack Tuner
Furman Power Conditioner
ISP Decimator