3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!
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Old 05-03-2007, 09:19 PM
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How do I....

When you open the hood how do you tell the difference between the 2004 and 04.5 with the HO motor? What is an easy way of telling the difference of SO and HO when you're looking at buying a truck and the guy doesn't know!?
Old 05-03-2007, 09:23 PM
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Look on the drivers side head cover it will say 325/600 for a 4.5 and up, or 305/555 for an 04 HO.
Old 05-03-2007, 09:25 PM
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There should be a sticker on the drivers side of the plastic valve cover, it will say the hp rating if its 305 its a 03 or early 04 HO if it says 325 its a 600 series motor, and if it says 250 or 235 i cant remember which its a SO. Hope that helps. Joel
Old 05-03-2007, 09:26 PM
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You beat me to it annabelle!
Old 05-03-2007, 09:27 PM
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Sorry, valve cover is correct. Thanks




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