Eagle vs. Manley crankshafts

[RadDsm]

So right now, I have 5 used cranks that need to be cut/ground .010 over. I don't want to run a cut crank, and I'm tired of wasting money buying used cranks that aren't good.

The Eagle crank was the first one I looked at (Eagle Forged 4340 Chromoly Crankshaft (88mm) - Modern Automotive Performance), but then I saw the Manley crank (Manley Forged Crankshaft (7 bolt DSM/Evo) - Modern Automotive Performance).

This crank will be going into my AWD DD. The Eagle seems like it would be a fine crank to use, but how about the Manley crank? The main difference in the crank that I saw is that the Manley crank is knife-edged. There isn't a whole lot of information on running knife-edged cranks in our cars (at least from what I could find).

What would be the trade offs from running the knife-edged crank, are there any negatives to it? Would I be sacrificing any torque due to the lack of rotating mass? I'm just trying to find out what the pros/cons would be.

Thanks to anyone who can help me with this decision.

 

[Benshooter]

Knife edging is to reduce rotating mass and increase efficiency (however little). It will rev a little quicker, but will make it harder to hold a steady idle.

 

[alex1090]

Just do a 6 bolt sway and use a stock crank

 

[fergulus]

This is not a 6 bolt swap thread. This is a crankshaft thread. As I have no knowledge on either, I'd like to see more information on this as well.