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10 XT 4EAT
893 Posts
Benefits of block heater:
1. Easier to start.
2. Reduces engine wear due to cold start conditions.
3. Engine coolant starts at a higher temperature, leading to faster heater output.
4. Increased mileage due to the engine warming up sooner.
5. Cost of running block heater for three hours before starting engine will be less than the fuel needed to warm the engine.
6. Reduced emissions due to faster engine warmup.

To name most of them.

The fastest way to warm a car up is to drive it (including the transmission). Just avoid going highway speeds right after starting, and don't floor it right away.
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