Managing EGR for MPG - Fuelly Forums

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Sludgy Managing EGR for MPG 10-03-2006, 06:15 AM

MetroMPG I've also read a bit about... 10-03-2006, 06:33 AM

MetroMPG Understanding exhaust gas... 10-03-2006, 06:53 AM

omgwtfbyobbq The only problem is the... 10-03-2006, 12:43 PM

rh77 Even worse, North America has... 10-03-2006, 01:13 PM

kps This is an artifact of... 10-04-2006, 09:18 AM

rh77 Crap Again 10-04-2006, 10:37 AM

omgwtfbyobbq I'd guess it would. The only... 10-03-2006, 01:21 PM

rh77 Xylene, but CAREFULLY 10-03-2006, 01:52 PM

omgwtfbyobbq Xylene is some nasty stuff. I... 10-03-2006, 02:03 PM

rh77 OK I have to ask 10-03-2006, 02:11 PM

red91sit As a member of the Northern... 10-23-2006, 10:13 PM

onegammyleg A mechanical racing vac... 10-23-2006, 11:20 PM

omgwtfbyobbq You are right about the... 10-03-2006, 02:24 PM

Sludgy So what's the verdict? If I... 10-04-2006, 06:41 AM

Ted Hart Copper? This will oxidize... 11-29-2006, 10:17 AM

omgwtfbyobbq Probably not since the... 10-04-2006, 06:51 AM

MetroMPG omgwtfbyobbq: are you sure... 10-04-2006, 08:35 AM

MetroMPG A relatively simple & crude... 10-04-2006, 08:44 AM

zpiloto Where are you going to pick... 10-04-2006, 10:23 AM

MetroMPG Um.. Not actually planning... 10-04-2006, 10:25 AM

zpiloto Sorry, I was wondering where... 10-04-2006, 10:30 AM

MetroMPG Simplest (for testing) would... 10-04-2006, 11:08 AM

rh77 911 Intervention,... 10-04-2006, 11:50 AM

MetroMPG I was under the impression... 10-04-2006, 11:57 AM

rh77 LOL... I'm still pretty... 10-04-2006, 12:03 PM

rh77 Still Possible, but would... 10-04-2006, 12:15 PM

Sludgy Of course, there is another... 10-04-2006, 12:46 PM

rh77 OMG, I just looked it up --... 10-04-2006, 01:16 PM

kps That's why I stick to ones... 10-05-2006, 12:56 PM

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omgwtfbyobbq MetroMPG, from what I've... 10-04-2006, 01:26 PM

MetroMPG I wonder what makes higher... 10-04-2006, 01:38 PM

Sludgy EGR always makes cylinder... 10-05-2006, 06:32 AM

Ted Hart Lean burn is exactly... 11-29-2006, 10:37 AM

omgwtfbyobbq It probably depends in... 10-04-2006, 01:53 PM

rh77 I'm thinking that the... 10-04-2006, 02:09 PM

MetroMPG Not sure if you're saying... 10-04-2006, 02:14 PM

rh77 Not the formal term 10-04-2006, 02:51 PM

rh77 Actually, I found a Intro 10-04-2006, 03:48 PM

MetroMPG "The automaker got it right"... 10-04-2006, 04:09 PM

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omgwtfbyobbq I've posted this ... 10-04-2006, 06:23 PM

omgwtfbyobbq Eh... It makes the average... 10-05-2006, 12:11 PM

JanGeo you are forgetting a couple... 10-06-2006, 02:20 AM

omgwtfbyobbq Check this... 10-06-2006, 03:03 AM

MetroMPG High EGR also leads to... 10-10-2006, 09:47 AM

ZugyNA One method to cool EGR gases... 10-23-2006, 05:41 AM

DRW Interesting idea. On my car... 10-23-2006, 08:26 PM

omgwtfbyobbq Yeah, I've seen plenty of... 10-24-2006, 10:02 AM

DRW Carlos, thanks for the... 10-21-2006, 10:00 PM

molecule great thread... i have some... 10-24-2006, 07:36 AM

DRW Yes, my car is OBD1 and it... 10-24-2006, 05:23 PM

MetroMPG Would a cooler cause water... 10-29-2006, 05:23 PM

DRW Good point. I suppose I'll... 10-29-2006, 08:04 PM

MetroMPG 'Nother question: for the... 10-29-2006, 05:25 PM

Compaq888 Not always true. I have data... 10-29-2006, 11:43 PM

DRW I suppose it would help to... 10-30-2006, 08:48 PM

Toysrme EGR will not provide a... 11-22-2006, 03:24 PM

onegammyleg Hmm . so my 1994 Swift... 11-23-2006, 12:27 AM

Toysrme It's not the failure of said... 11-25-2006, 03:33 PM

onegammyleg Originally Posted by... 11-26-2006, 07:06 AM

More replies below current depth...

omgwtfbyobbq Granted, they do coke up a... 11-22-2006, 05:49 PM

rh77 Seafoam! 11-22-2006, 06:37 PM

DRW I've upped the egr duty cycle... 11-24-2006, 07:09 PM

omgwtfbyobbq Hey, guess what, if you make... 11-28-2006, 08:36 PM

onegammyleg Exactly rite :thumbup: ,... 11-28-2006, 09:10 PM

Ted Hart "Allows the engine to ..."?... 11-29-2006, 10:13 AM

DRW Managing EGR- What to Do? 10-20-2006, 09:15 PM

rh77 Load First 10-21-2006, 03:11 AM

cfg83 DRW - No intelligent... 10-21-2006, 06:13 PM

10-23-2006, 05:41 AM

#15

ZugyNA

Registered Member

Join Date: May 2006

Posts: 587

Quote:

Originally Posted by omgwtfbyobbq

It's also why EGR coolers (pg.7) are being considered. They allow a cooler intake charge that reduces the octane requirements needed to run an engine, effectively reducing one of the limits to the percentage of EGR, the other being spark retardation. Essentially, diesel efficiency and characteristics from a low octane gasoline powered SI engine.

One method to cool EGR gases is to use the EGR tube to inject minor amounts of water...some claim HP and mileage gains.

__________________
Leading the perpetually ignorant and uninformed into the light of scientific knowledge. Did I really say that?

a new policy....I intend to ignore the nescient...a waste of time and energy.

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