I don't know that it's necessary to replace it unless it is coming apart. It might be worth having it inspected and balanced, though. With all the engines I've built, I noticed a slight wobble at around 1100-1200 rpm except the most recent one where everything is balanced.@67_Valiant, in your opinion, when should an EcoDiesel owner consider replacing the crankshaft vibration damper? Is that a part that's good for 200,000 miles or would you replace it sooner? I've got 108,000 miles on my 2015 EcoDiesel and I'm about to replace the belt, tensioner, and idler pulleys. I was wondering if I should replace the crankshaft vibration damper, too. Thoughts?
Here are some of the key elements:Someday you should post a spec sheet of your build!
On the brief break-in runs I've taken, the truck got about 18 mpg, but that was in hilly terrain with a load of firewood in tow/haul mode. I'm planning to take longer trip with an empty bed next week, so I expect it to go higher than that. This truck was only getting about 23 mpg highway before, and I think it's due to having bigger Nitto's on it. I probably won't put it on the dyno just trying to keep the costs in line, but we'll see...@67_Valiant
This has your typical excellent details, congrats on the build I've been following this closely. It will be interesting to see what additional information you might share such as reads on mpg ratings, loaded and unloaded etc will you be putting this on a dyno? Great information as usual well done.
Yes indeed LOL! Some learning from the school of hard knocks (pun intended), but I definitely feel like I'm getting a handle on some of the challenges with rebuilding these engines.Man, was sure hoping it was something simple on the top end, but you got a handle on it and I'm sure you'll be back up and truckin in no time
by the time this is done you're gonna be some kind of expert on these little motors 😂😂
The Summit bearings were King branded- I hadn't looked in a while and didn't realize they had added others. Definitely worth a try! The journals are pretty tight. I don't know if you could fit one that size in, but we have to get creative I guess LOL.67-Valiant I have bean following your engine rebuilds. sorry to hear about your setback but it looked good before this happend.I lost GC engine at 40k , spun main bearing . After rebuilt it has done 7k , keeping my fingers crossed. My question is about the bearing brand you got from summit the bage is simmilar to kings but different,are they any good ? Will it be possible to fit a wider main bearing ( I do not know the journal with) have been doing some research and toyota V8 1vd ftr have simmilar dimensions but wider main bearings. 5/8 on ecodiesel and 3/4 on 1vd thickness the same 1.989mm thankyou and good luck.