I took mine off a few months back, I left the fuel rail attached. Pretty straightforward tho. X2 on being careful of the oil pressure sender. I took it apart to simply reseal the ends/replace gaskets. When reinstalling, it's a great idea to find something to use in a few of the head bolt holes (like dowels, headless bolts) so you can drop the intake straight down...this way there isn't any sliding it to line the bolt holes up. If you do, odds are the silicone bead at the china wall will leak. Not a bad job at all though. I did my timing cover seals at the same time, and I feel that was a bit more difficult. Go for it 
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1995 Z28 M6 Swapped, 3.73 Gears, LS Front Brakes w/slotted rotors & Hawk pads, 17x9.5 ZR-1's, Pro 5.0 shifter, CAI, descreened MAF, BBK Shorty Headers, LT4 knock module, Scanmaster, 160 degree T-stat, Magnaflow stainless axle-back, TPiS Aluminum Driveshaft, MSD Blaster 2, BMR tubular LCA's and panhard, Hotchkis STB, LS Tail conversion w/ flat black berger panel, LS1 SS style spoiler, 52mm Holley TB w/coolant bypassed
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