None of this I reckon junk lol.
To the average joe, they won't have any idea how the synchros are going on their car unless you are starting to crunch gears. In theory, skipping shifts will force the synchros to do more work due to the revolution difference between different gears. The rev difference is smallest for the next corresponding gear. So technically, yes more synchro wear. Shifting gear by gear will reduce synchro wear.
Just because your mate drives and skips gears during his shifts to his fuel economy and does so smoothly does not mean his gearbox synchros are not wearing more. So unless you've cracked open a gearbox to have a look at what the synchros are like, and then compared it to a box of the same condition driven without skip shifting, then you can't make any judgement. You may not see any effects of synchro wearing until the later half of their life (I doubt any DC5 has gone through enough shifts to warrant synchro wearing unless you drive one as a taxi) so you can't say it doesn't wear.
Just because your mates gearbox runs well doesn't mean it is wearing unevenly. The effects of synchro wear take a lot longer to appear, however it does happen.
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Originally Posted by munkaii
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