Since I have only been a Chevelle owner since my divorce in April ( she got the '55 Chevy) I am not that familiar with the operations of the "newer" cars. I have a 68 SS396 ( cloned but it's still a Chevelle and fun to drive)
It has been in the shop a lot of the time for more upgrades - front end, rear end stuff, discs, stereo system, dual electric fans and so on. The engine has about 2000 miles on the rebuild but we're fixing to pull it for a Comp roller cam, roller rockers, new converter on the 700R4, new bracket system, a new Air Gap manafold in the Permastar finish, yada, yada. It seems to be in good shape. My wrench is a serious go fast engine builder and feels the car is strong. Here's the problem. left the house on Monday to go for a spin. About 4 miles from the house, running fine, then quit. A "pop" then all, I mean all, electrical went away. While waiting for the flatbed, I checked the battery ( a 2 month old Optima) and it registered 12.53. Before the flatbed got there, I tried again to start it and it fired right up, ran for 15 seconds and stopped - again no electric to anywhere. Full power at the battery but none anywhere else. Actually a little, enough to barely power the inside lights for just a second and then dead. Walked out this morning and the batter registered 12.4 but it fired right up. I turned it off and came in to the office. Is there a thermal electrical thang somewhere in Chevelles. Obviously I cannot trust going anywhere in it until it is found and fixed. Reliability is way high up on my list of happys. Thanks in advance. Scott