I do have braided rubber hose already sectioned in for fuel line I can splice into. No low pressure gauge right now. Any recommendations on an accurate one that is easy to install? Meaning set up for splicing into the hoses.Franny Brodigan wrote:Harold, A question: Does the engine run fine at 3K rpm with no load? Does it only falter under load?
Do you have a cut fuel line from the pump to the carb? Can you splice in a fuel pressure meter there? It can be done with the original steel line, but You'll need a double banjo bolt and fuel line connector.
If it is faltering both under load and not, see if your fuel pressure is dropping at speed. Just have an extinguisher at the ready whenever modifying fuel lines. I bought a very useful low pressure/vacuum meter for not much money and have used it quite a lot actually.
You eliminated the condenser so that is a big data point. Now you need more information.
You'll get it!
Here is a video yesterday of it doing cold start. See the focus on the oil temp which matched ambient temp. 1+1/2 pumps and fires just fine as usual from cold.
So, since it fires right up again, I of course drive it afterwards.
It has been revving fine, warmed a bit and then after I drive it on th road, under load it falls flat.
After I made this video I pulled the carb jets and saw a bit of crusty clear fuel where the ideal jets are located. I cleaned them all and reassembled. Number 4 seemed a bit clogged but was not blocked completely. Enough to slow it down.
Reassembled and it ran the same.
Next on the list is to pump out all the fuel, clean the filter under the tank and blow out the lines.