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Old 02-10-2012, 10:10 AM
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I'd say in the neighborhood of 390lbs, using alloy heads, tin valve covers, and carbed,
not injected. The starting point would be a '90ish 5.0, as they're the lightest blocks, if you
can find a 255cid crank, they're lighter than the 5.0L by 8 or so lbs...
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