Intermittent power loss

[Mister]

I have had the occasional hard start and miss in the Spring and Fall after the car has been run and then stopped for a bit. After some puzzling, I have attributed it to winter gas and underhood heat. It seems winter gas is "more gaseous" than summer gas and, in my car, seems to result in vapor lock occasionally. I have never had this occur with summer gas. A smaller diameter non-drop base air filter has helped.
Mike

[smallblockhead]

I agree with Mike, sounds like a winter gas/engine compartment heat is causing vapor lock. I just yesterday experienced exactly the same symptoms. I don't know when they switch to the summer formulation, but I hope it's soon. (The other alternative...for the weather to get cold again, is not an option I wish to contemplate!)

Gary

[Tony Radford]

I rolled my car off the Kwiklift this morning for a ride into work only to find that she's now officially "dead in the water". I didn't have time to mess with her this morning, but I now feel like I have a failure somewhere in the ignition system. The fuel fliter is filled with fuel, but I didn't get anything close to a spark. So now what is it - distributor, Ignition Box or coil? Let the troubleshooting begin!

[ekrupa2]

MSD troubleshooting here....http://www.msdignition.com/page.aspx?id=3206.

Another possibility....ignition switch.