Last year I bought a 70 Cuda with a stroked 340. The previous owner changed the oil prior to my taking possession. Since it had been a year, I decided that an oil change was in order. I asked the previous owner what he put in the car and he said straight 40W. (zinc additive, of course)...
Hey everybody! Been A Mopar fan for a long time. Have a 2010 Challenger SRT, 2012 RAM and I just picked up a 70 Cuda this weekend. The car is in great shape, but there are a few small issues that need to be tweaked. Runs great. I know a lot more about the modern cars, so I'm here to round...