Hey I have a 2021 Centurion FI23 wake boat with a GM L96 6.0L engine and a PCM 1.72:1 V-drive transmission. https://marinepartssource.com/power-plus-v-drive-pleasurecraft-marine-ra156013a/
The manual calls for DEXRON III (also explicitly NOT DEXRON VI) for the transmission, which in the past I...