gearing

[andy]

can anybody tel me what pinion to run on lrp 5.5, in a tamiya trf 501 with standerd spur gear and pullys thanks.

[V-Rossi]

Around 18T.

[501X Driver]

I run a 18/87 with a 4.5L
Motor is 130 and Speedo is 120 after 5 min race.
So an 18 is a good start