had a race today also i had same problem but was down to tyre choice and was running in mud thats was a good idea donk23 i tryed it out worked a bit better for longer but at the end still wasnt able to shake of all the mud was sticking like clue still especially in the A final the tyres after the race musta weighed about 3 time smore with all the muck sticking to them. but was brill idea should benifet me in heats.

also kyjoe340 could try a thicker rear diff oil

im no expert my self so lets wait and here what some other guys think.
later
adam