what should I upgrade my Senton 550 mega with a spectrum firma 85a 3300kv or a spectrum firma 85a 4000kv
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Go with 3300kv and you can gear up if you need more speed.
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Neither
Wouldn't the 85amp get hot on those motors?
Get a blx100 and 3200 kv from jennys.
Get a blx100 and 3200 kv from jennys.
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My thoughts exactly. But, nobody's addressed the power module and slipper clutch.
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I may have some extras I'm not gonna use laying around some where!?
slick2500
Anything will break if you drive it wrong enough.
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This.
Neither of those is a good match for any of the Arrma 4x4 1/10 rigs. You want the 100 amp esc and the 3200kv 3660 motor. If those are your only 2 options save up to buy the proper system. IMHO putting the 85a esc and those 3650 motors in the 4x4 platform is like buying an 80s Mustang with a 4 cylinder in it and expecting it to be a good performer.
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