Thunderpower Z3R 550 13.5T short course Stock•Thunderpower Z3R 540 8.5T•Etec brushless 8.5T RS off-road•Nosram Pure Evo 8.5T•Redline Gen 2 17.5T stock•Reedy Sonic13.5T motor Stock•Thunderpower Z3R 540 13.5T•Novak brushless 4.5T 1:12•Reedy Sonic 4.5T motor 1:12•Etec brushless 4.5T 1:12•Thunderpower Z3R 550 7.5T short course•Thunderpower Z3R 540 4.5T•Novak Ballistic 4.5T•Redline Gen 2 4.5T•Redline Gen 2 7.5T•Nosram Storm Evo 13.5T Spec•Redline Gen 2 4.5T 1:12•Thunderpower Z3R 5.0T 1:12•Etec brushless 8.5T RS•Redline Gen 2 5.0T 1:12