RC Raptor...We run an Asphalt track, sprayed with cheap soda from the local Grocery store...28's were used when it was cool out...now we're into the upper 70's and 80's, so 32's are it...Apparently after it hits 100 degrees here, we'll be running 36's...
DarkSeide...here are two numbers I found for the PosiDriver...
U1261I Pozi Screw Driver No 1
W31310 Wiha pozidrive screwdriver
Ron