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Diesel torque gas vers diesel attempt II


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Posted by LJD on December 14, 2012 at 12:53:37 from (75.250.200.17):

Looking at some of posts - I can see how these myths get started.

Again - diesel versus gas when bore and stroke are the SAME and aspiration is the SAME.

Nonsense. Show us one engine that came as gas and diesel and the diesel has more torque at lower RPM (with equal aspiration) I can show you many that do NOT.

Long stroke is what makes torque. Just like putting a piece of pipe on a wrench handle. Just so happens that most engines now adays with long strokes are diesels. Gas engines usually have shorter strokes to make higher RPMs.

One example of many:
Deere three cylinder engines with equal bore and stroke (except 135 gas has shorter stroke):

135 gas: 43 HP @ 2500 RPM, 110 TQ @ 1300 RPM
152 gas: 42 HP @ 2500 RPM, 110 TQ @ 1300 RPM
152 diesel: 42 HP @ 2500 RPM, 110 TQ @ 1300 RPM
164 diesel: 42 HP @ 2500 RPM, 110 TQ @ 1300 RPM


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