read that link Dougy posted above , it's good shit. The first 20 miles is where 80% of piston ring seal take place, so you do want to get on it and do engine braking right out of the box.
I did my oil and oil filter changes at: 30 miles, 100 miles, 250 miles, 500 miles, 1000 miles. I used castrol gtx 5w30 that come in the large 5qt jugs. germanfilters.com has 10 packs that get you down to ~$5 each. The first oil change between 20-50 miles is the most important. Do not use sythetic for break-in. It's too slippery and can cause improper piston ring seal...which = blow-by, which = less power. Keep the synthetic around for after break-in. I'm switching back to syn mobile 1 0w40 at ~1500-2000 miles.
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