1st gen bolts to the intake, 2nd gen bolts to the crossover, either bracket will work
the brackets only function is to keep the alternator from rocking forward on the lower bolts that screw into the block, which is a big deal
with the revised intake on the 2nd Gen, it wont have the longer studs for supporting the intake tube, since its shaped and routed totally different
so if you plan on doing the intake resonator delete ( which you should) then a Gen2 bracket would be perfect, would look alot cleaner than the one i have
i havent fully deleted my intake resonator yet.. too much other stuff going on right now, i took the larger section off that fits to the hose on the rear of the intake, and found a gauge that fits in the hose just to act as a plug