Detroit series 60 15:1 issues

PM and NOx reduction are two different strategies. What have we stated about NOx reduction that negates DOC/ DPF operation?

 

I dont need to. Increasing injection psi, and boost increases heat. Inducing a hotter charge of air, increases heat. Increasing temps with 7th injector or overfueling, depending on brand increases temps. There is no way to reduce tailpipe emissions with out increasing temps. This is what the lo nox does. Not performance minded again.

 

Ok, what is NOx and how is it created?

 

Then why does increasing fuel delivery quanity lower EGT?

 

It only does to a point. It in end results increases EGT which increases boost. You need fuel for boost. Fuel makes heat. Egt goes up with added fuel.

 

And would this increase or lower NOx?

 

No, that is the normal operation of a diesel engine. Can't change that. Injection timing, pressure with added temps higher than pre emission engines are capable of reduce nox.

Adding lo nox to a pre emissions 2000 and earlier engine increases intake air, exhaust temp, cylinder temps, fuel temps. They are forcing a engine not designed that emission standard to the standard. It's really a joke. Lower performance and shorter life with increase fuel usage.



Really, I feel refining fuel differently would make the biggest change. But the oil company's ain't gonna do that are they.

 

No, DDC cheated and got caught like other engine manufacturers. Part of the deal was to have a Lo NOx rebuild program. Cat was able to comply with just software. Read this

 

I am not disagreeing with most of what you are stating, but the strategy to lower NOx was retarted (spelled wrong for a reason) injection timing not advanced. Advanced resulted in good fuel economy and power.

 

We can agree the strategy was bad. I'm not gonna argue or have.

Performance with no emissions talk. I will continue, lowering compression and adding fuel to increase boost. Advancing timing and adding fuel only improves so far as stock. And makes black smoke. Black smoke is fuel burnt after top dead center or in exhaust manifold. Not power.

You wanna impress me, build big power and no smoke.