Ok, I want to know both the pros and cons of both of the 258's cranks. I know the older ones have a crank that has extra counter weights and the later ones dont. I hear that the older heavy ones give it better low rpm pulling power and is harder to stall the engine because of the greater rotateing mass. I also hear that the extra counterweights better offset the rotateing mass and make for a smoother and better balanced engine. But I also hear it is slightly slower to rev up than the light crank, and the light crank makes for a more faster reving and "peppy" engine.
Is there any truth to all this and anyone have and real world info for the two, or any good advice?
I currently have the later model light crank and was wondering if it would be worth it to track down one of the older heavy cranks. This is actually for a 4.0 stroker I am gonna build for my YJ. I want this engine to be a good all around preformer. I love lots of low end pulling power (torque) I love being able to hit the gas and it just pull hard, but I also want to still be able to open this thing up and hit it at higher rpms too. On the street when needing to get up to speed quick (like the highway) I can take it up to around 3-3500 rpms with 4k probably the most I will ever rev it (and that would probably not be on purpose) Any good tips?
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