C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Difference in EGR Valves

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Old May 13, 2009 | 06:35 PM
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Default Difference in EGR Valves

I am looking at replacing my current valve and I have a quick question about them, I am wondering what is the difference between the two and which should I get if it makes a difference.

http://ecklers.com/product.asp?pf_id=36921&dept_id=1247

http://www.ecklers.com/product.asp?p...6&dept_id=1247

Thanks,
Jason
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Old May 14, 2009 | 12:46 PM
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Originally Posted by dirtyrobinson
I am looking at replacing my current valve and I have a quick question about them, I am wondering what is the difference between the two and which should I get if it makes a difference.

http://ecklers.com/product.asp?pf_id=36921&dept_id=1247

http://www.ecklers.com/product.asp?p...6&dept_id=1247

Thanks,
Jason
it were me, I wouldn't bother with a "performance" EGR, just go with the standard OEM type.
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Old May 14, 2009 | 11:23 PM
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I didn't know there was an EGR for manual tranny and one for auto tranny. I thought they were all the same?
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Old May 15, 2009 | 11:34 AM
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i will block my EGR
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Old May 15, 2009 | 03:48 PM
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I haven't had problems with the car until the last month when I had to replace the alternator and fusible links and when I hooked everything back up and double check all connections I figured all was well cause it drove so well for a few days and then it started stumbling after starting. The check engine light came on and well I code 32 flashed and the car sounds like it wants to stall and pop when I rev the engine up after starting it but it appears that when the engine is at operating temp or running for a few minutes that it works itself out. I checked the wiring in the area and its all fine, I am unable to get my finger in there to see if the valve is closing or providing vacuum.
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Old May 15, 2009 | 06:18 PM
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I just replaced the EGR in my 89 Firebird. I bought it from the Partsladi or something off of Ebay. It was a Delphi part, which probably is the same thing as you would get from the dealer. It is a negative pressure.

When I had a shop replace the EGR on my Firebird years ago, I just found out they put a positive EGR on. Which I guess is why my code 32 on the highway never went away.
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