Originally Posted by machocave
I'm got the same question just wondering about both blinky and boosted, the local on-road track size is 87’x40’ with tongue and groove subfloor (just 7 feet shorter than the snowbirds nationals).
Every car is the same. Whatever spur and pinion fits and gets you a final drive around 3.7 with a trinity/revtech motor. You may need to go up a tooth from there.
With 48p gears you would need a spur around 66t for 17.5 Blinky.