Lotus Twin Cam "Run In" & maintenance advice from Miles Wilkins

From his Twin Cam book:

Never exceed 3000RPM, in any gear, for the first 1000 miles (1600kms). After that, increase 500 RPM for every 500 miles.
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Change oil at 500 miles. Check chain & valve clearances.
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Change oil every 3000 miles afterwards. Chain & valve clearances every 5000 miles.
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Never run the engine in the winter, it does more harm than good. If you do, let it warm up and run for at least 30 minutes.
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If the car is run very little, change the oil twice seasonally. The acids in oils will attack the bearings.
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This will give 80,000-90,000 miles lifespan.