Originally Posted by CosmoM3

Won our club's spec TT-02 with my SRX 21.5T blinky with spec 4.7 FDR during our annual Nationals event this past weekend.

Things I've learned.

• I blew the front spool output cups...TWICE in Q1 (at the end) and Q2 (mid-way), essentially limping on 3 wheels. Ended up going to my backup XV-02 diff with 30K oil for the front.
• The soon-to-be spec SWEEP D-36 treaded tires with spoked wheels were terrible with the soft pink foams (#2402) as the car was just inconsistent and squirming, esp in 103°F weather and heavy chassis. Swapped back to the Tamiya B3 tires with the green Medium inserts and shaved off 1.5 seconds off my time in Q3.
• My car is heavy at over 1.6kg with the body on on a 21.5T spec motor with all the plastic and aluminum bits