You might take a look at this thread:
http://forums.maxperformanceinc.com/...d.php?t=576137
Although it is specifically related to an LS3 into a '64 Tempest, it is quite detailed and I would suspect a lot of the concepts (and parts) are similar...
K
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'63 LeMans Convertible
'63 Grand Prix
'65 GTO - original, unrestored, Dad was original owner, 5000 original mile Royal Pontiac factory racer
'74 Chevelle - original owner, 9.56 @ 139 mph best
http://www.superchevy.com/features/s...hevy-chevelle/
My Pontiac Story: http://forums.maxperformanceinc.com/...d.php?t=560524
"Intro from an old Assembly Plant Guy":http://67-72chevytrucks.com/vboard/s...d.php?t=342926