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I have this chart saved from earlier reads. 73 at 1600 on the 2nd chart is nicer than the last chart. At 75, mine is shifting a lot between 6 and 5 with 3.07 if there's a little hill. I have them so I guess I'll install them (3.90).Here is a spreadsheet (a photo of one) showing the various crawl ratios/mph for 3.90, 3.07, EcoHubs or not. I agree the 3.90's are best with what we currently have and 4.5's with EcoHubs would be cruising 63 at 1,600 rpm in seventh. That would be the sweet spot—
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I can see that. If I redid the chart for the shift points it would illustrate your point better.I have this chart saved from earlier reads. 73 at 1600 on the 2nd chart is nicer than the last chart. At 75, mine is shifting a lot between 6 and 5 with 3.07 if there's a little hill. I have them so I guess I'll install them (3.90).
can you run this also with same parameters but different tire heights? OEM (45"ish), 14R20's (48"ish), and 16R20 (53ish)... and for shitz and grins... maybe 12r20 (40ish).. might be smart to lower center of gravity on and off road for those building expedition rigs.... ??Here is a spreadsheet (a photo of one) showing the various crawl ratios/mph for 3.90, 3.07, EcoHubs or not. I agree the 3.90's are best with what we currently have and 4.5's with EcoHubs would be cruising 63 at 1,600 rpm in seventh. That would be the sweet spot—
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Thankful for the lockers because you can still spin tires?On my last 20,000 miles on every type of terrain and trail I have been thankful that I have a rear locker for the added traction and besides the occasional clunk I have not had any problems or issues.
Define “still spin tires” pleaseThankful for the lockers because you can still spin tires?
Sure.can you run this also with same parameters but different tire heights? OEM (45"ish), 14R20's (48"ish), and 16R20 (53ish)... and for shitz and grins... maybe 12r20 (40ish).. might be smart to lower center of gravity on and off road for those building expedition rigs.... ??
appreciate it. too small for my eyes to read them.. Ill figure something out.Sure.
You want to see the same sheet with variable tire height: 53", 48", 45", 40"
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Attached PDF's, too. Download and then zoom at will, (most browsers will allow you to 'right-click' on an image opening a menu with a choice to open in another 'tab' or save as and then zoom at will)appreciate it. too small for my eyes to read them.. Ill figure something out.
didnt see the PDF's at all. My bad.. that works greatAttached PDF's, too. Download and then zoom at will, (most browsers will allow you to 'right-click' on an image opening a menu with a choice to open in another 'tab' or save as and then zoom at will)
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This site's image handling is challenging in my opinion–
lose traction...Define “still spin tires” please
Added them after your comment. A good suggestion you had for PDF's—didnt see the PDF's at all. My bad.. that works great
I'll certainly update once installed. I get stuck in 12" of snow routinely trying to get into the barn. It's not a compliant. Open diffs don't do snow. Should be fine with the lockers.I can see that. If I redid the chart for the shift points it would illustrate your point better.
I will be watching your experience with the lockers when you start that thread. I haven't noticed you or @Keith Knight complaining about traction on adventures, is it a bigger issue than I think?
Yes that’s to clean the rust and years of RTV out of the holes. They must be clean all the way to the bottom of the threads.Edit: Just got to the part in your YT video where you explain it is for just that ! Video @ 11:24
@Xengineguy is this slotted bolt to help clear debris from the 3/8-16 holes the original hub bolts are in ? If so, much appreciated !
Getting smart on EcoHub installation (reading directions, watching a few YT videos on it, etc...) since it is on deck as next project.
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