Hi,
My 1995 N/A 850 has about 275k miles now and has taken to smoking at idle/stoplights, etc. I am thinking about rebuilding the head and fixing the leaking valve stems, i also expect to find a tired/leaking valve or two. the engine really lacks the modest oomph it used to have. Do you recommend rebuilding the head or replacing with a refurb unit... OR...or? or what about a salvage engine with low miles? i have found a few engines with 89~99k miles for $850~975

whaddya think? at this point i think im determined to run this car to a half million miles, most or the suspension has been replaced, the tranny has been replaced with a salvage unit, the AC is working pretty well, but the catalytic is getting full of oil smoke but anyhow...

head rebuild or motor replace, any suggestions? is it a pennywise~pound foolish thing to swap the head at this mileage, but not deal with rings/seal on the block?

thanks for your time
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-woodsy; 275k 1995 850 wagon;