That is one of the reservations I would have with portals. Although I have to admit I've never heard a set in person. But the noise from straight cut gears at speed isn't the most pleasant, you can mitigate it a little with micro finishing etc. I am of course making the huge assumption that modern portals are still straight cut....
Another thing from those 'in the know' is there any issue with overheating? The gear oil will take an absolute beating....
I see there is a Ukrainian company making portals for the new Bronco so its not beyond the realm of possibility for the Grenadier to have some developed by a third party called Werewolf. With a cost of
my pockets aren't that deep.
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