Originally Posted by
markk
If this has spun a shell, then the crank will be out of shape, I hope the cranks being replaced at the same time - as you will be throwing money away otherwise.
Good luck in the build (overnight motors lol )and I hope your hard work pays off for you.
Quick whip round with a bit of paper and it'll probably last ok just for a few minutes on track, better to give it a go and risk further damage to the crank than to miss a days racing.