As far as valve train goes I would switch to 7/16 screw in studs and poly locks. Then your valve train is adjustable. I have the 2801 in my 400 in my 62 Grand Prix and it runs 13.70s with 2.73 gears.
Eric
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Eric
1969 GTO - 461, turbo 400, Continental 13", 3.08 gears. - 12.59 e.t. @ 108.43 mph, 1.898 60'
1978 Oldsmobile Cutlass Supreme- 461, turbo 350, PTC 3500 converter, 9" 3:50 gears. = 11.39 e.t. @ 117.55 mph, 1.599 60' on E85
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