Originally posted by 20 SMOKE
I agree with price cant beat it the D5 is my next purchase for back up or main power. do you suggest to change the head shim for higher nitro just reading promblems other guys are having
hahaha, i am thinking to get a D3 too. the stock shims are for 30% nitro. if you run 16% you need to take out the cooper shim which is 0.2mm the aluminium shim is 0.3mm.
i got my engine from Harmony in HK but I find rc-mushroom has very competitive price.