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Dave Noll · 07-30-2014, 02:00 AM

Well, I'll go this route.
.
First I would want weather station input to see if it's changing & then how much. Then see how it follows how the car is running. Next, besides an RPM sensor I would want an output shaft sensor. With these you could see if there was a traction or transmission problem. Next I would want either a pyrometer or O2 sensor. With these you can see where your fuel metering is @ & if it fell over the edge on the bad run.

Without the sensors,

There are many things that can go wrong inside a carb. Do you have a known good piece that you can swap onto the car ?

07-30-2014, 02:00 AM	#13
Dave Noll Senior Member Join Date: Nov 2007 Location: Div. 6, Eastern, WA Posts: 694 Likes: 2,260 Liked 219 Times in 105 Posts	Re: Inconsistency Well, I'll go this route. . First I would want weather station input to see if it's changing & then how much. Then see how it follows how the car is running. Next, besides an RPM sensor I would want an output shaft sensor. With these you could see if there was a traction or transmission problem. Next I would want either a pyrometer or O2 sensor. With these you can see where your fuel metering is @ & if it fell over the edge on the bad run. Without the sensors, There are many things that can go wrong inside a carb. Do you have a known good piece that you can swap onto the car ? __________________ Dave Noll, E/FS ,L/SA 6526