Transmisson is going to matter too. Manual you can go higher gears than auto from what I have read. My 08 with auto has 4.10 on 32" tires. But if you check the charts, I am not even in the sweet spot. That said, it isn't anemic by any stretch. For 35" on a DD, my thoughts would be around 4.88 for manual and 5.13 for auto. Just my .02 though. Do a lot more research, and as others have said, find a shop. A very good one in Bridgewater Corners Vermont.
And judging by your favorite trail, I am impressed if you are running it on 33" tires and 3.21 gears. I had some friends post up a report from that road a couple weeks ago; 7 hours for 3 miles.
And hit the Wave section as some have hinted at. Drop a line or two there to say hi.
Welcome to Wayalife from west central NH.
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