Geeez, did you take these photos with a potato?
Are you going to tear it right down to just the bare block?
Aluminium, but if you are American Aluminum.
this, or alloy, context dependant, probably a really bad habit.
replaced the coolant in my water to air intercooler, the old shit was red/brown and fucking gross
Just drill them out?***(ermm, manifold bolts that is)
heat stud, expands in hole, gets more stuck?Or you mean heat head, loosen grip on stud? In which case you want the heat to be in the Al...