Diesel "loudness"?
Do diesel trucks get louder as they age, or were ones built years ago that much louder than today's diesel? I test drove one recently, a 2016 ram 2500, and it was rather quiet... only a bit louder ...
Forum Discussion
downtheroad wrote:
Modern diesel trucks are very quiet...and are getting quieter every year.
Listen to a 15 year old Cummins and then listen to a brand new one...case closed.
Newer diesels are very quiet very close to a gas engine. Part of the reason is the multi pulse injection of fuel, rather than the than the single pulse of early diesels. It started in 2003 for Cummins, and the electronics improved from there.
Before 2003, mechanical single pulse injectors, and mechanical or electrical/mechanical injection pumps.
