<VV> Re: re; egr's (No Corvair)

[Cash Case]

Ok, so I must need a refresher course on what EGR's do.  ;op
I though that they recirculated exhaust gas back into the intake. 
Exactly how do they function? How would they reduce combustion chamber 
temps?

Obviously, I was sleeping when that class was going on.  ;op
-Cash

On Jun 22, 2005, at 4:09 PM, JVHRoberts at aol.com wrote:

>
> All the ones I have seen need vacuum to open, and seat when it's not 
> there,
> as in WOT operation. The idea of an EGR is to reduce peak combustion 
> chamber
> temps during the lion's share of an engine's operation, which is 
> cruise.
>
> In a message dated 6/22/2005 8:17:22 A.M. Eastern Standard Time,
> s10birdman1966 at yahoo.com writes:
>
> ...No,J,egr valves work/open ABOVE say,2,000 rpm,and only after the  
> motors'
> up to temp,that's when a motors more likely to  detonate/ping
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