Did you really need to make 2 threads about this? You got your answers in the other thread anyways.

Well a lot of those bands tuned to Eb, so either Eb pentatonic or Eb minor would be a really good pick for a scale
Major and minor pentatonics.

Guitars: Ibanez SV5470F, Ibanez Xpt700, Fender MIM Standard Stratocaster ('04-'05), Jackson Ps-2
Ashton AG200,
Amps: ENGL E530, Bugera 6262-212,
FX: TC Electronics G-major 2, Behringer EQ700, Morley Volume / Wah
Depends what you mean by 80s metal; do you mean thrash or more hair metal?