I will say that I agree with the idea, that cu.in for cu.in a gas and a diesel are equal in torque if they are both naturally aspirated. Take a 6.0 GM gas and a 6.2 diesel. There's no comparsion. The 6.0 will do 2x the work. That said, in the real world, it does matter that it takes way more fuel to do it. The other problem is that you rarely see turbos and direct injection used on gas engines. That's where the main difference lies. A gas is nearly always N/A and IDI, while most diesels have been turbo charged and direct injected for 20+ years. Like I mentioned though, with the new direct inject turbo charged engines, things will be changing. The high torque that has been associated with diesel engines is starting to go away.
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Today's Featured Article - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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