doing EGR delete... do i have to turn it off on the computer?
04-21-2010, 01:28 PM
#12
6th Gear Member
Join Date: Feb 2006
Location: Virginia
Posts: 11,786
The EGR system improves fuel economy and power at lighter loads, mid-rpms, and while cruising, and by cooling combustion chamber temps (already burned exhaust gas cannot burn again, this reduces NOx emissions) allows a bit more timing advance under those conditions. At higher loads and low rpms it is disabled and has no negative impact on power.
It one of the emissions related things that actually helps.
It one of the emissions related things that actually helps.
Dad, I just can't agree here'
I'm not asking for proof or anything like that but I have yet to see anything that suggests that any of that's true to any "measurable" amount. In theory sure, it makes sense.
04-21-2010, 05:17 PM
#13
1st Gear Member
Join Date: Oct 2009
Location: Maryland
Posts: 140
so will deleting egr hurt performance at all? or is it best to keep it?
04-21-2010, 05:34 PM
#14
TECH SAVANT
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
04-21-2010, 07:09 PM
#15
6th Gear Member
Join Date: Feb 2006
Location: Virginia
Posts: 11,786
Yeah, I'm on 3rd Gen's forum too, lol, but I still don't believe the hype. Have you ever had to change a tune on a car that had the EGR deleted? I haven't. My car got great mpg fully built at 600rw and my wifes almost stock car at gets 23-26mpg with it deleted.
04-21-2010, 07:16 PM
#16
TECH SAVANT
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
It's not hype--it's a fact, if you can't see that you need to read Heywood (or read it again)..
Did I, or they, say it was a profound difference? If you want to delete it that's fine, but don't expect anything other than a "cleaner engine bay" by doing it--it will cost you 1/4 mpg or so if you do a lot of highway cruising--and adds nothng...
Last edited by cliffyk; 04-21-2010 at 07:18 PM.
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