Originally Posted by
Josh-n-ya
That depends if there is a restriction on rollout at your track. My track has none and I am at 3.2ish on a large track. For your track I would start at 3.6ish. Big pinion and small spur have been working for me with this car.
Thanks. My track does not have a FDR restriction so I will start from there. My car will be here next week.