This is a great idea, and we all appreciate you pitching in - I would have no idea how to compile this stuff!
I'm afraid I have nothing useful to contribute at the moment since my combo is new carb, new exhaust so no jetting etc. so far, but:
Type: LA 340
Displacement: 394" (340 + .030" X 3.79")
Compression ratio: 9.5:1
Head type: W2 ported by Barton
Flow #s (if any): ?
Cam type: Comp Cams custom
Specs: 250 @ 0.050
LSA: ?
Installed at: ?
Intake manifold: Holley Strip Dominator
Exhaust: ported early 340 hi-per iron manifolds
Carb type: Holley 4010
Size: 750
Jetting: 8.5 PV
Base timing: 15 degrees BTDC
Total timing: 35 degrees BTDC @ 2500 rpm

Power adder: none
Type: NA
Blower impeller speed: NA
Nitrous jet combo: NA
Amount of positive manifold pressure/nitrous hit: NA
Intercooler: NA
Timing pulled if any: NA

Trans type 727
Torque Converter size: 10" Dynamic
Stall behind your motor: 3000?
Gear ratios: stock 727
Rearend ratio: 3.90
Tire size: 235/60-15
Vehicle weight: 3400?
Horsepower (if dyno'd, specify FWHP or WHP):
Torque (as above):
E.T. (specify 1/8th, 1/4):
MPH (as above):
Comments: "in progress"