Prior to now, a wider variety of chilly-commence techniques were applied. Some engines, including Detroit Diesel engines used[when?] a procedure to introduce modest amounts of ether in the inlet manifold to begin combustion.[195] Instead of glowplugs, some diesel engines are Geared up with commencing support programs that change valve timing. https://bookmarkcolumn.com/story17508721/the-2-minute-rule-for-diesel-engine-parts-supplier