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.
Frank McGurk says in his inline 6 manual: If you go from 8:1 to 9:1 youg gain 10% HP and better milage. You can have Wayne make some McGurk style "Powerdome" forged pistens for you. They offered ma a set custom made for arround 600$.