Originally Posted by Wild Cherry

I just finish my first run with the losi BB spring on my 8m B4

Parts & setup


silver for the ft
35w #2 3x.030 internal limter
inside on tower
outside on arm


pink for the rear
Ae27.5W, hand drill #3 piston with 55 bit
2x.030 internal limiter
inside on tower


You need Losi BB spring cups .

I used the Rpm spring collars for the top of the spring



first impressions

very plush & smooth , nice landings , very consistent ride


thumbs up to anyone who is considering giving um a try