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Old 10-04-2002, 06:09 AM   #1
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Default Bonneville timeline---EGR valve question.

Deathrat, I understand your 92SE is EGR-less? My 93SSEi has an electronic EGR valve, but so does JSeabert'* 93SSE. Why did they put the EGR valve on the SSE when it shared a drivetrain with the SE?

What other years and models had no EGR valve? Were the earlier models EGR-less, or did they have mechanical or electronic valves?
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Old 10-04-2002, 09:09 AM   #2
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1992 was the only year that saw no EGR Valve on our 3800. When GM tested the 3800 for Emissions in 92, it met Emissions testing W/O the need for one, therefore GM didn't install one. All the other years of 3800'* got one because of Emissions testing & the fact of premature Valve Burning & Exhaust Manifold cracking! I've been told that some 93'* did get the 92 EGRless 3800 because of the left over engines from the year before.
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Old 10-04-2002, 09:15 AM   #3
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Ok, did the 92 L67 also go egr-less? Or was it only the L27?
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Old 10-04-2002, 09:17 AM   #4
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I think it was just the NA, but I'll check. Does anyone here have a 92 SSEi That can confirm this?
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Old 10-04-2002, 11:49 PM   #5
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How the hell does a linear EGR valve work?
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Old 10-04-2002, 11:59 PM   #6
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I know what you mean. My digital threw a code 2 months ago. One of the 3 solonoids was sticking. A little teflon spray fixed 'er right up, but looking at that little monster made me think it'd be expensive to replace.

Is the linear variable, or is it just opened/closed? I know there are great advantages to the digital type in variability. I'd hate to see GM go the other way.
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Old 10-05-2002, 12:10 AM   #7
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What would we do without you, gearhead? If you weren't a guy, I'd kiss you
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