Welcome from Phoenix. I run a c6 with 3.50 gears. At 65 it was screaming. I recently did the gear vendors overdrive and I really really like it.
But I had already built the C6 and was happy with it. If I was going to replace a FMX I would go AOD or manual.
But I had already built the C6 and was happy with it. If I was going to replace a FMX I would go AOD or manual.