Winter is Coming
Time to think about winterizing your Bolt.
A good Tech Tip WINTERIZING YOUR TRUCK including a link back to the Forums for additional tips.
There are better ratio differentials from later trucks that can be swapped into that axle. Some even came with factory Detroit Locker units. The old Eaton drop-out axle ended production in '72, look for '67-'72 trucks for the best ratios.