Originally Posted by
Granpa
That's right. Put the cut insert in the tire and and then lay the foam in. After inserting the wheel, you'll be able to judge whether that's the firmness you want. Generally, the longer the insert, the firmer the tire will be.
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may I ask what the benefits are of a harder tire?
I will be racing on an asfalt track soon, in stead of the carpet races we usually drive with our Mini's, so I'm most interested.
Also, as we can only use Tamiya-tyres, I guess I should go for the A-type mini-tires?