Installing AV fast portal gears - Page 3 - Mercedes-Benz Forum
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post #21 of 22 (permalink) Old 02-28-2019, 04:12 PM
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Date registered: Feb 2019
Vehicle: 1986 Unimog U1300L
Location: Australia, NT
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Originally Posted by CragDuc View Post
The weakness of the U1300L's is the portals. The diffs are strong, the gearbox is cranky, but strong. Finding a Mog with 23:9 "fast" axles, replacing the portals with the new AV portals and going to 365/80 R20 tyres (the bigger the tyre the more stress on the portals) will give you sufficient speed at a reasonable rev range plus you get the benefit of the stronger portal bearings. Adding the "super-fast" C&P will give you further rev reduction which may be a nice thing, but it won't make the truck any stronger, the portals will.
I just bought a U1300L with "fast" axles. What are those "new AV portals" you are talking about?

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Andre
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post #22 of 22 (permalink) Old 02-28-2019, 04:40 PM Thread Starter
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Date registered: Aug 2012
Vehicle: 1986 U1300L; 1976 U900 Cabriolet
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