DEF diesel engines
Hi, I was looking at a few used DPs and noticed one was listed as non- DEF engine. Can I get some opinions on the advantages or disadvantages of getting an older non-DEF engine ? I am only slightly aw...
Forum Discussion
wolfe10 wrote:JumboJet wrote:
DEF is introduced in the exhaust stream and has no effect on engine power.
While the statement is true, it may be a little misleading.
Because of DEF, the engines can be tuned for more power and better economy.
Very similar to what happened to gasoline vehicles between 1974 and 1975 when catalyst converters were added.
I was referring to the post title "DEF diesel engine". The engines are designed for leaner burn but produce a nasty exhaust that the fluid converts to water and nitrogen via the SCR.
Are the newer engines that require DEF actually providing better economy or just tuned for more HP?
