Super glue the front of the car this will make your bumper are very durable to shock from the stop section it stiffens the grain of the wood, a liberal coating , sand down the rough spots and paint or cover..
I had a mom tell me these were the wheels we ran at district they must not check there..then she had me tell her boy why the car wasn't legal.she refused to get wheels( I offered her a spare set I had for my boys) she didn't have tools ( again I offered my pliers) no ..they had no way to tune..I...
we matched the hill on both tracks I believe that was the culpret, the second track was lowered to match the first, I voted to raise the second..got over ruled.lol its good to change it up I guess.
I found 1 car with mid America wheels, I questioned him"you know these are lightened right? I got a ya so what" I explained those aren't legal..he just up and left.