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I switched to 4each group 31C batteries. I had to make new mounts and connections, but way cheaper. I used 1”x.25” silver plated copper buss bars from McMaster Carr.

Still waiting for opinions on my last comment! LOL!!! 😂

Ok those numbers are perfectly acceptable. So knowing I weigh in at 27,600lbs. Stick with 3.07 or go back to 3.90 considering power and fuel economy?

So Rick in your video it looks like it released the exhaust brake around 22 mph. Your rig still has 3.90 correct? So with my 3.07 I could expect it to release more around 25-30? I wish my trans display was like yours showing what gear its in.

As I contemplating eco-hubs. My truck is a 2003, 3126 tuned to 330hp with 3.07 gears, weighing 27,600lbs. One of my favorite aspects is the exhaust brake especially going down step 10% grades, narrow 2 lane roads with switch backs every few hundred feet, with no shoulders for miles. Is that I...

I have a machine shop so I just made a driver. thanks for the information.

That is a great explanation, I appreciate! Thanks

Yes back to seals, Oshkosh sold direct? Do you have a link? And why only a few seals not all?

Thanks, I tried, planned, hoped to achieve that. After completing it 18 months ago I finally stepped on the scales. 😂 Kinda like getting on the bathroom scales, don’t want to know the truth. But I was super excited about the axle balance.

I’ll have to read his comments. sounds like I might be ordering some eco hubs. I would save about $1,700 every 10,000 miles in diesel.

Are you saying that is still true with eco hubs and 3.07 gears? And you definitely don’t mistake the high pinion’s set up.

So what year did the high pinion start coming out?

Interesting, I do have a rear locker. I would love to get 9.5 mpg. Just worried about off road situations where you want to creep up the rocks, Not rock bouncing because I have to keep the speed up.

So even though my pinion is a few inches above center the high pinion is even higher?

This is my rear. Front looks the same.

That’s crazy. How do you recognize the high pinion. And wouldn’t you want that front and rear.

I changed gears almost 7 years ago. Way before eco hubs. If I had a choice today I would probably go eco hubs but I don’t have my old gears to reverse it and install eco hubs.

After a total of 12 months and 23,000 miles with 3.07 gears, average speed of 50-60 mph, never faster than 60 no matter terrain or road I get a consistent 6.5 mpg.

No and I haven’t had time to dig into it yet.