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I am going through a 455 olds for a rod project. what are probably the best upgrades for this engine. how fast can i spin this motor. the cars rear gears are 4.11's thanks
 

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Start with Edelbrock manifold (yes, they make one) and a cam. Headers, and you'll be makin' some serious torque!

What year is it? Some years of BOP's use cast connecting rods. This will severely limit the RPM range. Keep it at 5000 or less. Forged rods should be good for 5800.
 

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there are casting marks on my rods but if i knew where to find forged thats what i want.
 

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Look on a casting numbers site and see what the rods are. "Casting numbers" don't necessarily make it a cast part...

If they are cast, you might find forged ones from Performance Automotive Warehouse.

[ March 25, 2002: Message edited by: reddwarf ]</p>
 
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