1
Maintenance / 1969 Z28 spark plugs
« on: March 16, 2024, 12:27:17 AM »
Need opinions on my spark plugs , rich,lean, or just right? It was running rich and I just put 5 gallons of Cam2 in it and seems to be running great. The plugs were fouled before the Cam2. Previous to Cam2 I ran 93 octane gas.