The Stovebolt Site Forums The Shop Area Engine Shop 235 Cranks Slow when Warm

if you are using welding cable for starter leads, verify your connections of the wire end and the cable you can get the proper voltage, but lose it when there is a heavy load. I saw nothing about you checking the timing, if it is way advanced it will give similar symptoms, and still run once it is started. I drove my truck around for about a year like that. also if you don't have the carburetor adusted properly (you said you replaced the carb) you will get weird idling symptoms. I also drove the truck around for the same year like that as well (the mustang too, I just didn't have the time to fiddle with it then) The one thing I am pretty sure of is that it isn't too tight bearings...