Originally Posted by Eddie_E
Has anyone driven the new HB Gumball premounted tires?
They don't list any information about the tire compound or tire temperature range. Are they like other companies 28r or 36r?
They have better availability than Sorex at our tracks hobby shop.
The gumballs are spec tire for HPI races. When new in package, they feel almost like plastic!! but when everyone has to run the same tire, there is no advantage..
On the other hand we ran them at 301 raceway where the track is permanent and high traction!! they actually performed outstanding!! and no tire wear at all!! ran one set in mod class running a 4.5orion motor, TQ'd that weekend.....
Open nitro sedan lap times with foam tires between 20 sec to 23 sec... we ran full track also with no shortcuts and ran gumballs with 24 second lap times... not too bad with these tires...but the grip HAS to be there!!
they almost feel like between 32 and 36 shore rubber tires..
hope this helps.
BTW..we still used tire warmers, for about 10-15 minutes before we ran..
And the tires are glued really good!!!