Originally Posted by markp27
Possibly this won't help you, but it may be worth a try. If you drill holes through the rims at the 12, 3, 6 and 9 O'Clock positions this will help prevent the tyres from overheating. Obviously drill the holes before mounting the tyres
and use a 3mm drill bit.
MarkP:
I found this while rereading all my orginial posts, i assume you mean through the top of the rim that the tyre glues onto?
BB