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Rod Bearing Clearance

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Old Nov 3, 2021 | 12:28 PM
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Default Rod Bearing Clearance

Anyone know the acceptable rod bearing clearances for the magnum 5.9l? I found the main clearances but not the rods. Thanks
 
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Old Nov 3, 2021 | 12:36 PM
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There are links to factory service manuals in the DIY section.
 
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Old Nov 3, 2021 | 01:29 PM
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Originally Posted by 2bit
There are links to factory service manuals in the DIY section.
I've got the FSM. After drianing the oil out of the motor I'm building I've decided the entire bottom end is getting rebuilt. Bearings are shot. Unfortunately. At only127k miles. The oil was very dark and probably hadn't been changed in 15k miles. Wish people knew to take care of their ****.
 
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Old Nov 4, 2021 | 06:28 AM
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If the bottom end is bad pull the intake off and have a look at the cam. I noticed that they wear out the lobes in the back of the motor by the distributor.
 
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Old Nov 4, 2021 | 09:24 AM
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Originally Posted by Moparite
If the bottom end is bad pull the intake off and have a look at the cam. I noticed that they wear out the lobes in the back of the motor by the distributor.
Yea I'm doing a full rebuild. New cam, lifters, bearings, hv oil pump, plenum, heads, etc. After completely disassembling everything I found most of the rod bearings to be pretty bad and one of the cam bearings had a whole chunk missing. Wish people knew to do oil changes. The whole engine has a nice oil varnish buildup I have to clean. Unfortunately.
 
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Old Nov 4, 2021 | 09:45 AM
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Originally Posted by 2bit
There are links to factory service manuals in the DIY section.
Here is a photo of what I've found in the FSM. Not much for the rod bearing clearances. I found the mains. Any help?

 
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