Originally Posted by
Mlbracing
Personally I had a .21 Rossi in my truggy and I was blowing the .28's out of the water
Not only with speed in tight corners [slow is fast], and a little better fuel mileage
but if you get a .28 go with a RB5 port
but if you get a .21 get a .21 GRP promo kit <-- runs amazing
I was planning on getting the grp .28 promo kit for my 8t 1.0, but you say the grp .21 would be fine? I run on a pretty tight track with one strait and some jumps out of corners and will run on some longer outdoor tracks this summer. Currently I am running a mach 427 wich is good power(11 to 12 min run times) but just want to get something else. .21 or .28 grp? Thanks