This is one of those hotly debated issues: whether to warm up or not. I don't: I subscribe to the theory that an engine's higher oil pressure under load has a better chance of distributing oil throughout the engine more rapidly than at idle.

What everybody does agree on is that if you don't warm up, you should drive gently for the first few minutes. If the uphill on-ramp to the highway is right outside your door, maybe I'd consider warming up first...

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marshall

1982 300TD (220,000 mi.)