EGR delete

[ebayfish]

Good or bad idea....pros and cons?

[adamzan]

My egr did not work for several years on my old truck. I noticed no difference. Other than it always passed the emissions test, barely.

[Nefarious]

Pros... more engine bay space and less carbon buildup in the intake manifold (virtually none if you run a catch can on your Pcv valve as well).

 

Cons slightly higher combustion temperatures due to the lowering of inert gases in the combustion air charge and maybe a slight decrease in fuel consumption due to a small amount of fuel being sent through the engine to re burn.

Edited December 19, 2014 by Nefarious

[RF600]

Pros... more engine bay space and less carbon buildup in the intake manifold (virtually none if you run a catch can on your Pcv valve as well).

 

Cons slightly higher combustion temperatures due to the lowering of inert gases in the combustion air charge and maybe a slight decrease in fuel consumption due to a small amount of fuel being sent through the engine to re burn.

Pretty much sums it up.

[Elmo]

Well, here's a good explanation of the egr operation in our engines:

 

http://www.tuneruniversity.com/blog/2012/05/dont-block-or-remove-the-egr-valve-its-saving-you-money/

 

The guy does a far better job explaining how it effects the engine than I could.

 

Note that he is in agreement with everyone else I've read with expert engine tuning knowledge.