Its probably a combination of being too far away and too high. If you draw an imaginary line through the tank centerline to the firewall, you'll see that it is well above the carburetor. That is conducive to an over-rich condition, and the added problem of the inverted plug just aggravates the situation.

For that reason, I chunked the kit tank and installed a DuBro ten ouncer in the space between the firewall and front fuselage former. It was quite a bit of effort to shoehorn it in there, while still leaving space at the front to avoid kinking the lines, but that was the only way to get the centerline of the tank reasonably close to the carb inlet nipple.

The photo below shows this installation. Sorry for the horizontal orientation, but I didn't feel like dragging out the off-camera flash gear, and this was the only way to get a decent shot. BTW, I'm changing the way the receiver is mounted, which is why you see the jumble of wiring hanging down. Everything will be tucked neatly away with nylon ties when I'm done.

The next shot shows the one-ounce strip of weight epoxied to the rudder post (don't forget to remove the covering underneath the glued area). There is an identical strip on the other side. If I need more, it will go on the bottom of the fuse, in front of the tail wheel bracket.

As for your on-board glow not working, remember that it must be grounded to the engine. The usual method is to attach the ground wire to one of the engine mount bolts, between the bolt head and mounting lug.

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