Shendren,
I have seen some posts to that effect. Don't remember which forum it was on though.
Don't know as it is a cronic problem (doubt it) as all
starter solenoid contacts will be beat , battered and arced , just a matter of time.
Do a search on GOOGLE for 'LarryB solenoid' and you will see what some people have mentioned as a upgrade when needed.
larry