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Yeah, but we were talking about "user upgradeable" here. Even my local dealer won't upgrade engines and most car owners have no idea how to change their oil or a tyre, let alone perform engine transplants.

One-off custom cars are a different thing same how there are YouTubers putting headphone jacks in their iPhones or upgrading the soldered VRAM of their Nvidia graphics cards.




> most car owners have no idea how to change their [..] tyre

Is this a regional thing? In Germany changing a tire is part of the "theory" classes. It's also fairly straightforward.

Changing oil on the other hand is illegal except in places with special drainage systems (like gas stations) because of the risk of environmental damage from spills, so it's not generally something you can do yourself. This restriction also goes for washing your car I think but some gas stations have places where you can wash your car if you don't want to use a car wash.


Yes, but a lot of car owners do change their own parts, replacing various filters, adding bolt-on parts, changing out suspension, tyres and the like. Just because most people do not do this, doesn't mean that this is something that should be forbidden or designed against. Cars are built to have replaceable parts, why can't laptops be the same? There are issues with the M1 equipped macbooks burning through flash due to users swapping out of the 16 gigabytes of memory that are not expandable. I don't want hardware designers to be legislated out of being able to do interesting things with packaging, like with what AMD is trying to do with integrating memory chips vertically on top of their SoCs, but I would appreciate if there was less hardware turned into e-waste due to a single formerly-user-replaceable chip failing or being deprecated.

Likewise, I'd also like to see less e-waste due to software deprecation (looking at you, Pixel 3).


>Just because most people do not do this, doesn't mean that this is something that should be forbidden or designed against.

And where did I say that reparability must be forbidden?

I was saying hat operations like transplanting a more powerful engine into your car is rare and difficult nowadays since grandparent made a reference to cars being easier to upgrade than laptops when that's not always true.


Cars are still easier to work on than laptops in relative terms of how many parts are user replaceable relative to the total amount of parts. Regardless, changing the engine is more similar to swapping out the whole motherboard and CPU. Not something the majority of enthusiasts would ever do, but there are some boutique shops that transolant modern hardware into X60 thinkpad chassis.

Anyway, swapping an LS into a modern miata is pretty simple and it integrates well due to everything being CANBUS compatible, after a sufficient amount of adapters is applied.


Cars don't need to be very small. Repairability depends on modularity, modularity requires compromises about size.




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