Im unable to use my block heater, as I only have city street parking, and rarely get a spot near my building, which I cant really plug into anyhow.

I had read about placing charcol under the engine overnight somewhere on here, But after 45 minutes of searching for that thread...

Anyone used this technique to warm their block? How many charcol briquettes?
Do you do it the night before or do you have to do it in the morning early?

Tx!

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OBK #32
1985 300D Turbo (15 gal Greasecar kit installed)
(258,900+mi.) Thanks- Tachometer Fixed. Middle Vents Fixed. Transmission- 1000% better shifting.
Vac leaks- Fixed, Brakes replaced, Steering Box replaced, .... Information Rules.