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Old 05-28-2020, 10:47 AM   #31 (permalink)
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Well my supposedly "bulletproof" 5.9 Cummins needed injectors in under 200,000 miles and the parts alone were over $4000 (new Bosch injectors, new harness, and new gaskets) installed would have been $5000 even. So great, the Cummins goes 500,000 miles but I could have dropped a whole new Hemi in there at that point for less than just the Cummins injectors. My 3.0 TDI just got all new injectors at 80,000 miles and they are similar $400 each just for the part. Luckily that was done 100% under the extended dieselgate warranty. It's always something, expecting zero high dollar maintenance after 200,000 miles is unlikely.
Notice I did not include FCA or isuzu. Never a fan of cummins, always a CAT person. HMMM perhaps low milage stop starts affect injectors. Will advise when any of my FI stuff needs injectors in the next say ten years or so.

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Old 05-29-2020, 10:47 PM   #32 (permalink)
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To me the Lordstown guy seems serious about making the EV, and it seems all the prototypes have hub motors. Maybe they have figured out the shortcomings or know nobody else is making pickups that last much more than 200,000 either without a $5000 motor or a $3000 transmission or $4000 worth of fuel injector work or all of the above. Even if it needed $10,000 worth of new hub motors after that it's still under what and average new pickup is going to bleed you.
To use 4 motors instead of a single motor, transmission, and differential (or 2 motors if you want 4wd) .. the hub motors would need to be in the $3000 range. That's still $12K for the drivetrain ...

Everything that I have read so far points to .. unfortunately .. the $12K replacement motors installed at 50K - 75K(optomistic) or 30K - 40K(pessimistic), not 200K. And the failure mode of the hub motor is nasty. Rotating metal hub hits stationary metal stator when the single side-loaded bearing gets not-very-much wear. Screeching metal, abrupt stop

I'd love to be proven wrong by Lordstown. If they figured out how to make the bearings wear very little ... or have designed a different setup that uses 2 or 3 bearings and they can spread the load ... they'll be a couple of years ahead of everyone else and should be able to make a decent profit before anyone else can reproduce their success. Particularly if they continue to improve their design.
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Old 05-30-2020, 03:22 AM   #33 (permalink)
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Million mile battery, 30,000 mile hub motors.
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Old 05-30-2020, 09:55 AM   #34 (permalink)
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Million mile battery, 30,000 mile hub motors.
Jeez Louise, thats like a rebuild on a long haul truck every month. Tires last that long.
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Old 05-30-2020, 10:39 AM   #35 (permalink)
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If tires only last 30,000 miles they are overpriced mud tires, the person drives like a juvenile or they are cheap tires.
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Old 05-31-2020, 12:56 AM   #36 (permalink)
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Notice I did not include FCA or isuzu.
FCA remained a serious player in the field of light-duty Diesels, even though Isuzu has concentrated its efforts on engines for commercial vehicles and other applications. On a sidenote, besides some N-Series and F-Series trucks which used to be officially imported and rebadged as a GMC, most of the Isuzu stuff I have seen in Brazil were gassers.
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Old 05-31-2020, 11:48 AM   #37 (permalink)
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Well the local joke is about FCA is stuffing a 20year engine in a 5 year body with a 20% discount to FMC, Chevy. Most isuzu branded vehicles I have seen are box trucks diesel powered, flogged hard and put away wet with manufacturing issues.

I cant or wont comment on other countries experience.

Commercial long haul tires which tend to wear in a taper from corners.
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Old 05-31-2020, 08:33 PM   #38 (permalink)
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I don't think the Lordstown motors will only last 30k if GM is involved. They have a good track record of ev reliability.
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Old 05-31-2020, 09:15 PM   #39 (permalink)
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Quote:
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I don't think the Lordstown motors will only last 30k if GM is involved. They have a good track record of ev reliability.
But hub motors have a horrible record of durability and reliability when used on road.
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Old 05-31-2020, 11:22 PM   #40 (permalink)
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Well the local joke is about FCA is stuffing a 20year engine in a 5 year body with a 20% discount to FMC, Chevy.
You mean the 3.0 V6 EcoDiesel? Well, there are other examples of some random "old" engine design being slightly updated to some newer emissions standard. Another example from FCA is the Sofim engine fitted to the Fiat Ducato and briefly the RAM ProMaster, and also fitted to the Mitsubishi Fuso Canter.


Quote:
Most isuzu branded vehicles I have seen are box trucks diesel powered
Regarding trucks, only a handful of the ones I've seen weren't rebadged as GMC. Those older ones had rock-solid engines, even though the lack of electronics by the time most of them were made could be accountable for such resilience to somewhat extreme conditions and neglect, plus the fact that much of the old-school Jap trucks were mostly naturally-aspirated.

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