[Rovernet] P5 problem persists

[Tom Rymes]

On 05/24/2015 2:36 PM, peter king via Rovernet wrote:
> Back home, barely. Another 7 minutes of great running then sputtered into the garage.
>
> No vacuum buildup in the tank, breather lines all clear.
>
> Original mechanical pump delivering fuel to the bulb. New hotspark electronic igintion, new rotor, plugs. Wires relatively new. dis. cap is good. coil is newz 3.0 resistance.  8 gallons of new premium fuel in the tank—just over half full.
>
> I need to did through my points/condensers to see if I have the right ones.
>
> What about localized overheating vaporizing gas after the engine gets hot? How can I rule that out?

Peter: As I mentioned earlier, you first need to narrow this down. All 
problems like this come down to fuel, air, or fire (spark), and air 
seems unlikely.

Checking for spark when it dies is the quickest and easiest thing to 
start with. Then, if you have no spark, start working through the 
ignition system. If you DO have spark, then start working your way 
through the fueling system.

Tom

PS: Vapor lock while running (as opposed to after being parked for a 
while) seems highly unlikely. If you hear hooves, look for horses, not 
zebras.

PPS: More likely would be a sticking needle valve in the fuel bowl (or 
Grose Jet if so equipped).