Ah, the r151s here are chain driven from factory...
The R151's were put behind the turbo charged 22re's. The R150's were for the 3.0's. I don't have issues with the R151's taller 1st and 2nd gears. Just that you have to grab 2nd rather quickly when launching off the line.
![Yup yup :yupyup:](https://board.marlincrawler.com/Smileys/marlin/yupyup.gif)