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Welcome To Mopar1973Man.Com LLC
We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features. Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.
Hello everyone, long time no talk. Life has been busy and health has been bleh...
Long story short i was coming back from utah for a friends wedding and he was moving as well. I towed the uhaul trailer 6'x12' densly packed and very very heavy. Had no problems going through the mountains on HWY 80 EB till about 80 mi from lariamie WY. I was heading up a very long grade and towards the top something bad happened.
Here are the stats of when it happened
speed 70
gear 6
EGT under 1250 (no more than 60 seconds@1250, i saw it and turned the cruise off and throttled down)
boost around 20psi
rpm appx 1800~ cant remember exactly but was below 2000
oil psi normal ~65
fuel psi 18-20
temp rose from normal 180F to appx 200F when i powered down (within the white brackets)
What happened was a knock appeared and progressed to a loud knock quickly. I unloaded the engine and babied it to the crest which was less than half mile. Pulled over and the knock rose to a certain level and stayed there, excess blowby is observed and nothing else abnormal aside from the knock.
I havent torn into the engine but i am presuming either a cracked/melted piston or a conrod bearing went to hell or both. I have my backup vehicle that ill be using for my trip and when i get back ill tear the engine apart.
Things i did learn from this, My RPM's were too low, egts were too high and in too high of a gear pushing too hard too long.
Fresh oil/filter air filter done before trip 3 weeks ago. zero issues aside from a cam sensor that gets fussy here and there. (was going to replace it when i got back this week as its bolt is stripped...)
Anyone have any thoughts or questions?