Originally Posted by Johnny Carey

93.5mm at 48 degrees. Too much timing.

Originally Posted by Kave

The majority of guys in the stock main ran right around 94mm @ 41*

John Wiita and I ran 100mm @ 36*

Shawn Rayfield had the best setup in the main and he was at that 94mm @ 41*

Originally Posted by Josh-n-ya

Thx. I will give those a try

Originally Posted by checo55

With the new 2.0 The 1 17.5t, what is a good starting FDR for a tight indoor clay track?

Originally Posted by Miko1976

What's the timing? Technical layout?

Originally Posted by checo55

Timing is set at 48 degrees. The track needs a good balance of revs and punch. The track at RC Clubhouse is usually technical with good flow.

Originally Posted by Miko1976

Start with a 26 pinion. Toucan go up to 29bteeth. But you'd have to lower the timing. Watch the temps and use a fan

Originally Posted by checo55

I haven't given the spur size, which is why I was asking for an FDR, rather than just a pinion size. Thank you, regardless.

Originally Posted by sg1

Keep in mind that was a pretty big track, 15 second lap times.

Originally Posted by Miko1976

72 spur

Originally Posted by checo55

Thank you. This will help! I have the same question for the 13.5t for 4wd. I'm limited to a 76t spur on the same layout.

Originally Posted by Josh-n-ya

Yeah the track we race at is big also. I saw them do the walk through of the track. Pretty close to ours.

Originally Posted by tpczx6

Josh
IIC is 5 rolls at 120 we have 4 rolls at 100