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  #1  
Old 07-19-2007, 07:16 PM
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PMR's

So my question is what does the 6.0 use for connecting rods? Are they forged or are they PMR's also? I guess my real question is why is the PMR's of a 7.3 only good for 400 rwhp and the 6.0 if they have PMR's don't have the hp issue?
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Old 07-20-2007, 06:54 AM
Desert Shield/Storm Vet

 

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Bump me up scotty
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Old 07-20-2007, 08:11 AM
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Yes the sicks-oh have PMR's the limit has been reached by Unbroken who finally broke. But he was around 650-700. I dont know why the 6 oh PMR can handle more power than the 7.3. Maybe its all the pressure the head gaskets and head bolts let pass. Maybe because the rods are shorter and are stronger since there is less leverage. Might have something to do with cylinder pressures being less than the 7.3. This are just uneducated guesses though.
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Old 07-24-2007, 01:51 PM
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Makes sense with the rods being shorter they would withstand more pressures. Anybody else with some ideas or opinions on this subject?
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Old 07-25-2007, 02:05 PM
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Shape, size, cylinder pressures, cam, revs, timing, etc is all different in a 6.0. Additionally, the 7.3 makes more TQ then a 6.0 @ the same hp!

This seems to be what I recall from my readings!
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