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New Edge Cobras
Need Input On Pulling Motor
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<blockquote data-quote="01yellercobra" data-source="post: 16689100" data-attributes="member: 35549"><p>All Cobras have the forged cranks. As long as the crank and block are good you'll have a good foundation. For a basic build I would go with upgraded rods and pistons with the stock crank. Have the heads cleaned up and seals replaced. Then put it back together with good hardware. You'll be good for 650 all day.</p><p></p><p>For the overbore it's going to depend on what the machine shop finds. .020" over was the standard for these engines for a long time. But I think Gibtec can make pistons in any size you need. So if you only need .010" to clean it up they can supply you with the pistons.</p></blockquote><p></p>
[QUOTE="01yellercobra, post: 16689100, member: 35549"] All Cobras have the forged cranks. As long as the crank and block are good you'll have a good foundation. For a basic build I would go with upgraded rods and pistons with the stock crank. Have the heads cleaned up and seals replaced. Then put it back together with good hardware. You'll be good for 650 all day. For the overbore it's going to depend on what the machine shop finds. .020" over was the standard for these engines for a long time. But I think Gibtec can make pistons in any size you need. So if you only need .010" to clean it up they can supply you with the pistons. [/QUOTE]
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