OK yesterday I decided that I wanted to hear the new engine run even though there are a couple of things to do before putting the front sheetmetal back on. After checking off the list of items to do this I got her fired up and running fine. Noticed fuel at the carb and some smoke from the passengers side coming from between the fire wall and engine. Shut her down. Fixed the fuel leak and figured I had spilt some tranny fluid on the exhaust manifold while topping off. There was no smell to the smoke that I could tell. Went to start her back up and nothing. No power. Crawled all around underneath could not see any burnt wiring. Checked grounds battery to frame and engine to frame. All good and tight. It has a Highway 15 harness so I pulled out dia. to see if there is a fuse or relay in the circuit. Can't find one. I do have a neutral safety switch. Could that for some reason have smoked. I do not understand why I was able to crank it to prelube the block and than crank for many times priming the carb to get the fuel to flow. Than have it run and idle. Turn it off and now nothing. No clicking no gage movement nothing. I plan to try and see if something has come loose at the back of the ignition switch this a.m..