i have a 94 Cadillac sls and i think i blew a headgasket thers oil in my antifreeze resovar and thers antifreeze in my oil whats the best thing to do does steel seal realy work should i drain both of thoes before i use it Yes, but any sealant that's to be used in the coolant system is for emergency situations. It will cause more problems in the long run than it will fix. From the sound of your problem, you need to see a qualified mechanic.
Use PVC for the drain line. It does not require insulation.
steel
Generally speaking, yes, steel is magnetic. But it should be noted that there are a number of steels that are notmagnetic. It is necessary to identify a type of steel before inquiring about its magnetic characteristics.
no.
It is always better to restore the stripped drain pan back to its original size with a steel insert.
PVC/Cast Iron/Steel/Plastic/ Depends on what type
The US only made steel cents in 1943 to save copper for the war effort. Any 1965 cent that appears to be steel is almost certainly plated. You can (and should) always test a suspected steel coin with a magnet before jumping to conclusions. If it's not attracted to a magnet it's not steel.
You should consider the material that will be most suitable to your place. Then you can consider the price and brands. stainless steel countertops
Drain cleaner is usually caustic soda - sodium hydroxide - not acid. Neither should attack the steel to any appreciable extent. Normally any discoloured mark would be rust (iron oxide/hydroxide), and very shallow, so would come off with any mild abrasive and some elbow-grease.
steel was invented by the Chinese before 200 B.C.E.
no
no