EGR Block off idea - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-04-2003, 10:54 AM   #21
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Can anyone post a pic of one blocked off so I can see if mine is?? Where is it located? It would explain alot if it has been....
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Old 11-04-2003, 11:05 AM   #22
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Old 11-04-2003, 11:26 AM   #23
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Quote:
Originally Posted by SSEi95
Sweet...thanks, bud!!
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Old 11-04-2003, 09:51 PM   #24
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ZZP says it messes with your gas mileage...anyone have an idea why?
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Old 11-04-2003, 09:59 PM   #25
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Um I dont get it...
Why do people with EGRs block them, and people with out EGR'* put them on?
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Old 11-04-2003, 10:04 PM   #26
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I think the mileage suffers because of not using the recycled air, and the pressure of the exhaust, so your intake works that much harder.
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Old 11-04-2003, 11:18 PM   #27
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Quote:
Um I dont get it...
Why do people with EGRs block them, and people with out EGR'* put them on?
EGR stands for Exhaust Gas Recirculation. So what do you think it does? It recirculates exhaust through the engine. Is exhaust clean...no. The exhaust makes the blower, intake manifold, etc... in the engine dirty. So if you block it off none of that will be dirty anymore. We removed it on the GTP to keep the intercooler clean because according to Zooomer with the EGR connected the Intercooler core needs to be cleaned every 10,000 miles, without the EGR connected it only needs to be cleaned every 50-100,000 miles. A HUGE difference. So basically you take it off to keep the engine clean.

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ZZP says it messes with your gas mileage...anyone have an idea why?
Because what does you exhaust have left in it...a little bit of fuel. When the exhaust is recirculated the engine can use the little amount of fuel it didn't use before over again, so you would get better gas mileage, not much better but a little bit. We didn't notice a loss in gas mileage at all in the GTP for some reason, if anything we noticed a gain. I wouldn't worry too much about it.
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Old 11-05-2003, 02:05 AM   #28
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i think that air also has water in it from the incomplete combustion reaction, wouldnt that about negate the fuel left over?
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Old 12-20-2003, 08:30 PM   #29
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Recently installed my ZZP EGR Bypass kit. All it is a 1/4" thidk square of aluminum with a drilled and tapped hole for the original bolt.
Now my intake will stay cool and clean.
http://www.cardomain.com/memberpage/383040/5
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Old 12-20-2003, 08:37 PM   #30
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Oh.... no codes were set and the SES light has not come on.

I can feel the power....

I'm not worried at all about burnt exhaust valves......burn baby burn..

I disconnected the EGR in all my other cars and haven't had any trouble over 30 years.
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