what kind of oil

dodge freak said

A little bit of oil burnt in 5,000 miles is OK, that is normal if the engine is being driven hard. Helps keep the rings sealed. I'm talking no more than 1 quart in 5,000 miles. A tiny amount past the guilds helps keep the valves from sticking and cools the exhaust valve

This is why the zinc got reduced, over 100,000 miles enough oil will be burnt and ruin the cats.

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Is there a problem ? none of my cars burn any oil between changes , at leat nothing noticeable , at 5000 miles still on the full line , my pathfinder goes 10,00 miles between changes and same thing , both are at or close to full line . M old Tbird S/C were the same ad they went over 450,000 km .
With non sythetic they burn 1/8 -1/4 quart , but change at 2500 miles , only use reg oil for first 10,000 miles .