Running the Alcyon II in 2026 with boosted 13.5T, many flaws of the car become apparent .
I encountered some durability issues and my proposed fixes.
1. I got my brother to machine slots into 3racing D3 17T too pulleys, so I could change the ratio from 2.3125 to 2.176. The pulleys are now 17-37. The original Kawada serrated spring pins are weak. They shear off after 3 packs, losing drive of the top pulleys. The fix for now is replacing the serrated 1.5mm lock pins with slotted spring pins. The pins are very cheap and should be stronger. I also bought 1.5mmx10 dowel pins to try if the slotted spring pins are not strong enough.
2. The ride height keeps dropping after every run, especially at the rear. I traced the problem to the kawada Sigma shocks. These are great shocks, I love them as they are easy to rebuild and easy to get zero rebound. However, there is a major weakness. Kawada uses a very thing o ring to prevent the collars from turning loose. It does a very bad job at this. After hard cornering, the springs push against the collars and spins it upwards, causing a lower ride height. The fix is simple . Install new O rings, and after setting, insert shock clips to take up the space above. I left a very small gap to ensure that it doesn't push on the collars, but this fix is very effective, I find the ride height no longer drops.
3. Since I am experimenting with a lot of different suspension pieces and c hubs and knuckles,I just noticed my bumpsteer on the front is less than optimum. There is too much change in toe during compression. I have some solutions in mind and will test them out.
I will upload photos soon.
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