Project FD RX7 Restomod: Part 14 – When to Upgrade the Differential

The FD RX-7 has many drivetrain limitations that start to fail as power approaches double the factory output. Upgrading to a Ford Explorer 8.8” differential actually makes a lot of sense, even financially, at a far lower power level than most RX-7 owners realize.

Read the whole tech article at:

https://motoiq.com/project-fd-rx7-restomod-part-14-when-to-upgrade-the-differential/