Join Date: Jan 2007
Location: Oceanside, NY
Car: 2005 OBW 2.5L, 1989 Subaru Justy, RIP Blu
Feedback Score: 0 reviews
Not to steal a thread, but 275K on the original rings, then a new HG, you may end up with blowby. Also do a compression test first wet and dry to see what condition the seal of those rings make is in.
That is a lot of miles for a engine to get a new HG.