If it isn't in an area where there is a coolant or oil passage, you might be able to just file it down or have the block decked if it's really hairy

Once your pics are up, better advice will follow

2005 Ford F150 SuperCab FX4 1964 Chevrolet Impala SS 1998 CSVT: 354HP/328TQ @ 10 psi, now gone