Just had the Engine oil changed on my 98 z28, The guy doing it said the Sump won't tighten up very tight and it has been helicored already, I was thinking about getting a new sump (oil pan) does anyone know if this is an easy job, and should i get a stock GM one or is there a better aftermarket one?
Thanks

 

You can swap pans, I would stick with the GM pan, because you can find a used one a whole lot cheaper than your gonna get an aftermarket one. It may be possible to drill and tap the hole out to the next size up. I think there is enough metal in there to do it.

 

Replace the helicoil? Doesn't the hole have to be made bigger to install one initially?

 

I would try to repair that one because you have to drop the k-member to get the pan out...