Internal Engine Blocks | Cylinder Heads | Rotating Assy | Camshafts

HP w/ stock 5.7 rods?

Old 02-26-2007, 09:12 AM
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Staging Lane
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Default HP w/ stock 5.7 rods?

What the most hp anyone has seen someone make with the stock cast rods in a 5.7? I'm just curious to how much they can hold.
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Old 02-26-2007, 09:27 PM
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I have made ~380 at the wheels in a Ram truck N/A. I have seen 400+ at the wheels on nitrous or boost. Not many rod specific failures, but the stock pistons are junk and failure prone.
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Old 03-02-2007, 07:14 PM
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Fail under just N/A? Or do they fail with boost/nitrous applications?
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Old 03-04-2007, 07:22 PM
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We have seen broken pistons (ring lands) on stock N/A motors.
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Old 03-06-2007, 12:44 AM
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There have been guys running 200 shots of nitrous on stock 5.7L bottom ends. The rotating assembly seems real tough other than the reluctor wheel and the piston/high ring lands.

My truck has been putting up with around 450rwhp for a while now off a 125 shot of nitrous. I used to run a 75 shot and it took that like a champ as well.
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