O.S. Speed B21 AD3 carburetor settings.
13:38
How to Increase Runtime.
16:09
Clutch and Air Filter Assembly.
8:56
Tuning with Diff Fluids.
13:13
JQ's nitro tuning is the truth! Red's r5r tuning.
10:26
Serpent 990E 1/8 EP Technical information and driving video
11:29
EASY WAY TO TUNE Your Nitro Engine - ANYONE Can Learn This Method
10:05
Choosing the Correct Tires. Part 1 - Compounds.
10:37