Probably . It depends.. Are you draining your tank after your flying sessions ? Are you cleaning your plane off ?. How is your engine oriented ? inverted ,upright ? Could the oil be coming from your muffler ? There should not be a continuous drip that goes on and on but a few drips for a day or two is normal . Even if your front seal was gone your engine would need to be full of fuel for it to be leaking so your tank would need to have fuel in it and it would need to be high enough to siphon .