These guys are brilliant and went above and beyond with my axle repairs. Gave lots of advice and help and only charged for a fraction of what they did.
JB EngineeringHowever, if the solution is just to seal them. JB Weld is my recommendation.
I would also thoroughly recommend JB Engineering, Billy did an excellent job of rebuilding my 7HA and installing a Quaife ATB diff into it.
And JB weld is also flippin' brilliant stuff - although you'd have to do a significant amount of degreasing to get the area clean enough to seal I would think.
But at the end of the day, is it really worth all the hassle simply to prevent your Morgan from being able to mark his spot?