Is there any performance benefit to EGR?
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Senior Member
Joined: Oct 2008
Posts: 800
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From: Temple City, CA
Car: 1990 Camaro RS
Engine: V8 305 TBI
Transmission: W/C T5
Axle/Gears: 3.08
Is there any performance benefit to EGR?
I don't think so, but I want to hear what you guys have to say about it.
Does it take power away from the motor?
This is completely theoretical, I just want opinions and facts, not smog laws.
Does it take power away from the motor?
This is completely theoretical, I just want opinions and facts, not smog laws.
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Joined: Oct 2002
Posts: 9,067
Likes: 1
From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Re: Is there any performance benefit to EGR?
I doesn't have any effect on performance, as its not in use at idle or at WOT - its only used under light throttle/cruise conditions. It's known to help fuel economy noticeably - meaning that most people who disable it LOSE fuel mileage and gain nothing in return. If it works fine, leave it alone. If it doesn't work, fix it. You gain nothing from removing it.
Joined: Jul 1999
Posts: 10,950
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: Is there any performance benefit to EGR?
It also helps keep the cylinder temperatures lower, which keeps the engine from knocking or pinging.
The biggest knock against it is because its dirty exhaust gasses, the carbon gets into the intake passages and makes them dirty too.
The biggest knock against it is because its dirty exhaust gasses, the carbon gets into the intake passages and makes them dirty too.
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