Hi Stu,
Looking back thro the posts Mark's car's looks to be running the coreRC servo's.
The CoreRC servo's are very popular and cheap to boot which is a bonus. Check out MB models best price i've seen.
Not sure about Slowone's, but there are a lot of servo's out there and some are pricey.
Toms car has a core servo, mines got a savox. Looking at the two the core seems to have a smoother operation than the savox so was gonna change over to the core on my car.
But i must say that is only my opinion, i haven't seen any of the more expensive servos in operation only the popular ones ie core and savox.
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