Quote:
Originally Posted by olrocker
Unfortunately it’s not only fuel economy but emission regulations. Those have increased even more so that fuel economy regs over the last 20 years.
GM had no choice but to end the 3800 in 2007 because it had gotten to the point it was impossible for that motor to meet ever increasing emission regs. That’s why the 3.6 was brought up - it’s not much better on fuel but far more emission compliant.
You should see the mess diesel guys have on their hands now. $10,000 worth of DPFs, a billion oxygen sensors, sophisticated, complicated, and expensive exhaust systems, and of course the DEF additive. If you don’t maintain a diesel to a T, changing the oil really every 3,000 miles no matter what, and not letting it sit and idle long (it’s a diesel - they used to be made to do that) you’ll have $10k in repairs that AREN’T the actual engine issue.
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And the 3.6 has more hp and torque while being better on fuel, IMO it sounds better, and is more fun to drive.
Wait, what about diesels? LOL. That's nonsense. Modern diesels are some of the most robust and powerful diesels on the road. We're like 20 years down the road from when heavy trucks started adopting DEF. Things have changed...a lot. And having owned and driven heavy diesels and diesels in light duty pickups, that sounds a little cuckoo given my own experience with them.