I have a 3 port TZ on my AD2 stadium truck,and everybody talks about the power it has.

Has anyone seen how the EVO3 and OS TZ (3 port versions) perform against the STS Dragon D3R? Would also be interested to know how the 5 port OS TZ and STS Dragon D5R compare. Thanks

Andy T... The STS D3R is an ok motor and not bad when ran on a short track, but when ran on a large track there's a good chance of the crank breaking... I've had both the 3 port and 5 port STS motors... Both cranks cracked in the place as well... and they were the new super harden cranks... And no, both STS motors can't touch the new OS TZ-3P nor the Sirio EVO III in speed and power. Remember the key to engine performance is proper engine breakin and matching it with the right tune pipe...

RC_Alan

Thanks rc Alan