teru

what spring u use ?use #3000,#4000,#5000 is beter than PDI ,CA, GD

teru

sometime when u use new spring it  can make good power,
after 1week the pwoer will deduct  10-20%,(lenght also deduct1-2CM ) i  buy all type spring in maket, and test all type B4

teru

if  use  spring  up tp 210% u need to use lay lax red piston rubber.

teru

using laylax piston rubber;有D鬆冇問題,

teru

yes u can check it