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Which engine mount inserts

myrcbud

Well-Known Member
Messages
589
Location
Astoria, Oregon
Couple of questions I m hoping I can get answered here. I’m looking to put a 54/23 gear combination in my 5b. Would I be correct in saying I need #19 engine inserts? Figured the 5t stock gearing is 58/19 with a #19 inserts. 58+19=77 & 54+23=77 so I’m concluding I need #19, right? Also what are these 19.5 and 18.5 inserts for?Hopefully someone here can straighten me out here.
 

jimbo1

Well-Known Member
Messages
313
Location
dorset. uk
this is what is recommended for the blackbone losi gears. info taken from a online shop.

might help.

56T Spur - 20T pinion/18T insert, 21T Pinion/19T Insert, 22T Pinion/20T Insert
54T Spur - 22T pinion/18T insert, 23T Pinion/19T Insert, 24T Pinion/20T Insert
 

myrcbud

Well-Known Member
Messages
589
Location
Astoria, Oregon
These aren’t blackbone gears, just gears I got from eBay. Interesting though and confirms what I thought. #19 it is. Also did a little digging and found out that the .5 inserts are for the 5t 2.0. Different spur gear.
 
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