My S-10 did it all the time (cronic strater problems, good thing it was a manua!l
). In my parking lot for work, theres a section that is on maybe a 5% grade. I can let it down the slope to almost 10 mph and dump the clutch. I can feel and hear the engine turning. I've tried 1st, 2nd, 3rd, and reverse. Nothing. I know it's enough potential energy to start it though, because I've started with the key and shut it down, then roll started, and it fired right off!