Following your thread with interest as I'm basically doing the same swap. Still in the gathering info and parts stages but I already scored my LS6 and cleaning it up. Got tons of questions but doing the recon before I just start posting away. At any rate looking foreward to following your thread good luck...
1990 K5 Blazer (current project) Already done: 4" lift, Skyjacker Springs on front, DIY4x4 flip shackles on rear 1" ORD body lift with Energy Suspension body bushings.Auburn ECTED Lockers front and rear in 8.5's spinning 4.11's, Yukon Axles all around T&A girdles, JB Conversion SYE NP241, Almost done: Stereo; pair Kicker 3.5's in dash, pair Kicker SS65.2's in custom 'glass kicks four Kicker SSMB8's in 'glass boxes in rear pillars, two Kicker L7's 15" Alpine iDA-x0001, two EQl's, two 25toLife Punch 45's, 75's & one 150......To Be Done:LS6 & 80e swap DIY4x4 bumpers, Warn 9.5si winch, 150 series Mattrack tracks on all for corners and just for giggles 250hp wet shot.