Full exhaust swap?
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January 2010 ROTM Winner
January 2010 ROTM Winner
Joined: Oct 2007
Posts: 18,306
From: The 'Burbs of Chicago
Read this first about what the EGR system does, then decide. What Are the Functions of the EGR Valve? | eHow.com
Read this first about what the EGR system does, then decide. What Are the Functions of the EGR Valve? | eHow.com
"Performance will be sacrificed somewhat, but that is a necessary price for air quality."
Read more: What Are the Functions of the EGR Valve? | eHow.com What Are the Functions of the EGR Valve? | eHow.com
NOPE! I have an air purifier...
EGR DELETE!
Senior Moderator
January 2010 ROTM Winner
January 2010 ROTM Winner
Joined: Oct 2007
Posts: 18,306
From: The 'Burbs of Chicago
But you didn't stop reading there, right?
"Surprisingly, adding exhaust to the inlet air charge actually decreases maximum combustion chamber temperature. This seems counter-intuitive since the exhaust is hot. However, when it exits the cylinder it is cooler than the maximum combustion chamber temperature. So by pumping it back into the combustion chamber it will not burn again and absorbs heat."
"Surprisingly, adding exhaust to the inlet air charge actually decreases maximum combustion chamber temperature. This seems counter-intuitive since the exhaust is hot. However, when it exits the cylinder it is cooler than the maximum combustion chamber temperature. So by pumping it back into the combustion chamber it will not burn again and absorbs heat."
and...
"Besides reducing pollution and lowering combustion chamber temperature, recirculating exhaust also has the effect of lowering pumping losses. Pumping losses are the work the engine must do to pump the inlet air past the throttle plate. Since EGR lowers power the throttle must be opened wider for a give desired power, meaning the throttle opening is wider so the engine doesn't have to work as hard to inhale the air. Moreover, with a lower combustion chamber temperature there is less heat loss to the metal walls of the cylinder, the piston, and the cylinder head so that more internal heat is retained to be converted into mechanical work."
Also keep in mind, the EGR is closed during idle and WOT. When your right foot is to the floor, the EGR has no effect on performance.
"Besides reducing pollution and lowering combustion chamber temperature, recirculating exhaust also has the effect of lowering pumping losses. Pumping losses are the work the engine must do to pump the inlet air past the throttle plate. Since EGR lowers power the throttle must be opened wider for a give desired power, meaning the throttle opening is wider so the engine doesn't have to work as hard to inhale the air. Moreover, with a lower combustion chamber temperature there is less heat loss to the metal walls of the cylinder, the piston, and the cylinder head so that more internal heat is retained to be converted into mechanical work."
Also keep in mind, the EGR is closed during idle and WOT. When your right foot is to the floor, the EGR has no effect on performance.
I did, however, when i drive, my foot inst always in the floor... in fact its rare that it is... It is lowering fuel efficiency (if you get into the calculations) by a fraction. I need that efficiency, i need that little boost back in it, and my TB sticks as is... so its not really helping me. EGR on this car seems to not deliver the desired effect... 15 (guess) HP loss at the most, and reduces pollution by a very small fraction on a car that i drive for 20-30 minutes a week... LOL not a need...
OK guys, I'm literally holding my check. Money is here, I'm ready.
SO
I'm looking for my exhaust kit to be ordered today...
Im getting LT's... i want this to be bolted the whole way back... Will the bands really hold on a dd?
SO
I'm looking for my exhaust kit to be ordered today...
Im getting LT's... i want this to be bolted the whole way back... Will the bands really hold on a dd?
Heres the headers:
PaceSetter - 70-2239 - Pacesetter Long Tube LT1 Headers Non-Coated (Race) - Speed Engineering Performance Parts
how am i supposed to bolt them to the y pipe? lol
wheres the instructions?
PaceSetter - 70-2239 - Pacesetter Long Tube LT1 Headers Non-Coated (Race) - Speed Engineering Performance Parts
how am i supposed to bolt them to the y pipe? lol
wheres the instructions?
I know im being very impatient but if i order them before noon they will be here Saturday morning and i will start working on it.
yea really... i saved the wrong link...
PaceSetter - 72C2239 - Pacesetter LT1 Long Tube Headers Coated(Race) - Speed Engineering Performance Parts
them...
i need to know where to get bands, how to do this etc... I am sticking with my muffler and tips that i have...
do i need more hardware... (Also where would i put a cut out, if im going to...)
I think i want dual cutouts, but im unsure.
PaceSetter - 72C2239 - Pacesetter LT1 Long Tube Headers Coated(Race) - Speed Engineering Performance Parts
them...
i need to know where to get bands, how to do this etc... I am sticking with my muffler and tips that i have...
do i need more hardware... (Also where would i put a cut out, if im going to...)
I think i want dual cutouts, but im unsure.
Last edited by BudBrown; Mar 29, 2012 at 11:23 AM.
April 2011 ROTM
Joined: Mar 2009
Posts: 22,022
From: Tokeland, Washington
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you should get everything needed to install. these are the kind i am using. the kooks came with them. Walker Exhaust 33222 - Walker Torctite Exhaust Clamps - Overview - SummitRacing.com