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Old 04-16-2007, 03:57 PM
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How do you know?

How do i know if my truck has an aux. engine oil cooler? and also how do i know if i have the new 600 engine in my 04?
Old 04-16-2007, 07:20 PM
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On the drivers side of the engine valve cover (Black plastic) read the sticker for the HP numbers. 305 Hp is the 305/555 and 325 is the 325/600. The engines don't have auxilary oil coolers from what I have seen.
Old 04-16-2007, 08:03 PM
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With the oil being sprayed on the under sides of the pistons for cooling, there needs to be a way to get rid of the heat in the oil. There is an oil cooler on the heater hose line; That's what the oil filter mounts to!

HTH

Tony
Old 04-16-2007, 10:48 PM
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so with stock oil cooling systems hauling a 10000 horse trailer every weekend will i be ok or is there somthing i need to do. not looking for anymore power just trying to make my babe last. Thanks,
Old 04-17-2007, 10:50 AM
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Likewise, I want to make sure mine will last. That's why I put on the gauges, just so I know what is going on. The factory water temp gauge is reasonably accurate, even if you don't get a number. However, the factory oil pressure gauge is a TOTAL LIE! Hot (pull a hill w/ load) oil pressure reads ~40psi on the factory gauge, while the real gauge reads 12-14psi.

I am also **** about turbo (exhaust) cool down. I ALWAYS idle down to ~300F before every shutdown.

I also stay on top of the maintenance. I change oil at 7500, and the other fluids at the interval the owners manual calls for.

HTH

Tony
Old 04-17-2007, 04:12 PM
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AHHH: 12-14LBS OIL PRESSURE
Clark
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