Stock out the box predator?

racing promotor

Moderator
1/5 mile , so rear gear should be same as clone just go up on clutch gear ?
At a true 1/5 th mile on a track with good grip at a night race , Sr Clone gearing here would be a 16-65 ish to turn 6850 to 6900 rpm, as an example that same track stock predator most would be using a 19 - 62 ish.
So based on your gearing info of 15/63 that would tell me track is a small 1/5th and lower grip, So I would start with an 18-61 and go from there.
To answer just your question rear gear once you hit proper front driver is usually 2 less rear than clone.

Good Luck !!
 
At a true 1/5 th mile on a track with good grip at a night race , Sr Clone gearing here would be a 16-65 ish to turn 6850 to 6900 rpm, as an example that same track stock predator most would be using a 19 - 62 ish.
So based on your gearing info of 15/63 that would tell me track is a small 1/5th and lower grip, So I would start with an 18-61 and go from there.
To answer just your question rear gear once you hit proper front driver is usually 2 less rear than clone.

Good Luck !!
Check pm
 

alvin l nunley

Premium User
That caught me by surprise!
 

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