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Old 11-29-2005, 11:34 AM
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Crank, Iron or steel???

What are the criteria to determoine when to go with a forged crank? I would hate to over spend when not needed, but I also would hate it if I didn't go with a stronger crank, and end up with a mangled engine.

I want to build a +/- 400HP 450 ft/lb Small block 383ci.

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Old 11-29-2005, 12:03 PM
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i've heard that a cast crank should be able to hold like 500hp-550hp and a forged crank holds like 800 so i'm not sure you would need a forged crank i'm not positive on this though because i'm a ford fe fan (don't get me wrong i wouldn't be a ford fe fan if i didn't have one lol i like the mopars but they R 2 expensive and rare to hotrod)
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Old 11-29-2005, 12:32 PM
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There are plenty of 400hp+ 383's running around with cast cranks. Forged is nice if you can secure one for a decent price, or happen to know of one sitting in a friends garage, but a cast crank in good shape can support some very respectable HP.

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Old 11-29-2005, 01:40 PM
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The cast steel cranks produced by scat/eagle are pretty decent pieces and are rated at 500+ HP. I have seen them take some serious abuse and quite a bit more than 500 Hp in a small block. They can be had for way less than 1/2 the cost of a forged steel unit. Prices on ebay for a for scat or eagle range in the 130 to 180 range.
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