Originally Posted by
Zootcapri
I believe that the 21/27 pinion and the 54/48 spur is the tallest available from Associated. That and uncut foams (tallest) should yeild the highest top speed.
Hi Zootcapri Thanks for the info. Just one question, you said they are the tallest available. Would there be too much strain on my Hyper 12 engine if I used them gears or should it be fine? Thanks