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#1 |
Registered User
Join Date: Feb 2007
Location: los angeles
Posts: 202
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EGR block off plate
Have any of you experienced problems when you removed the egr valve and replaced it with an EGR block off plate.
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#2 |
Registered User
Join Date: Apr 2007
Location: Freedom CA
Posts: 488
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Re: EGR block off plate
Yes my emissions went up, but the DMV ordered me to remove it, because my truck was too old to have EGR. For some reason disabling the EGR valve was not good enough for them. On top of this, I was required to buy a $15 sticker warning me not to operate above 55 MPH. for my non-functioning speedometer.
You may also get a check engine light. Why would you remove it? The thing is vacuum operated and can't do anything at wide open throttle anyway.
__________________
68 Chevrolet k20 Longbed 350 SM465/205, Dana 44, 14bolt, Power steering, Power Disk Brakes, 35" BFGs. 84 Chevrolet Suburban K20 6.2 Banks turbo TH400/NP208 Now with G80 68 GMC C20 Parts? Truck And a few cars ![]() |
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#3 |
Registered User
Join Date: Feb 2007
Location: los angeles
Posts: 202
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Re: EGR block off plate
its not computer controlled anymore so no check engine light. I removed it because even with the egr adapter the egr valve still blocked my valve covers.
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#4 |
Registered User
Join Date: Nov 2007
Location: Franklin Indiana
Posts: 635
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Re: EGR block off plate
I had that problem on my wifes 79 Vette I just built it up with additional spacers I think I used two. It moved it up and out of the way of the valve covers. That way if we ever go to a state where they do emission testing it will still pass.
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#5 | |
Senior Member
Join Date: Sep 2004
Location: Georgia
Posts: 614
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Re: EGR block off plate
Quote:
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![]() 2012 Silverado LT 1500, 5.3, 6 speed auto '86 SWB C-10 Silverado |
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#6 |
Registered User
Join Date: Dec 2006
Location: Earth
Posts: 239
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Re: EGR block off plate
My truck came stock with no EGR, or Evap system....it's not even on the emission sticker on the air box, however I do have to run a minumum of 89 octane, as per emission sticker......or is pings
It's a 350HD found in the 3/4, and 1 tons Duro
__________________
-1986 K10 LWB, 350 HD,TH400 3.08, 30 spline 10 bolt, with an Auburn Posi, 31" tires All original, second owner truck -1979 Monte Carlo, 350, 200r4, 3.73 posi -1987 GT T-top Mustang - slow moving project Last edited by Duro5341; 12-20-2007 at 07:01 PM. |
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#7 |
Registered User
Join Date: Sep 2007
Location: N.E. Florida
Posts: 500
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Re: EGR block off plate
I'm currently making one for my truck.I have a sheet of 1/4 alum.I just used the new gasket as a template.I have used this before on several other engine projects with no trouble.Mine had been blocked off what apears to be sometime ago.Drives with no side effects.A working egr system from what I have seen does not have a negative affect on proformance.I think it clutters up a intake.
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#8 |
Registered User
Join Date: Apr 2007
Location: Freedom CA
Posts: 488
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Re: EGR block off plate
Well, I did move since then.
Funny thing is Freedom was Whiskey Hill back it the day, but in 1877 the name was changed to Freedom in some attempt to be more PC,. but this may be a bit tongue in cheek, as it was likely named in honor of the 'Flag of Freedom' saloon.
__________________
68 Chevrolet k20 Longbed 350 SM465/205, Dana 44, 14bolt, Power steering, Power Disk Brakes, 35" BFGs. 84 Chevrolet Suburban K20 6.2 Banks turbo TH400/NP208 Now with G80 68 GMC C20 Parts? Truck And a few cars ![]() |
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#9 |
Registered User
![]() Join Date: Apr 2004
Location: Sacramento
Posts: 3,737
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Re: EGR block off plate
only passing smog.
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'72 2wd blazer, bagged w/ watts link & EDC '72 C10 "Lowered Farm Truck" STOLEN 5-18-11 '66 impala ht |
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#10 |
Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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Re: EGR block off plate
Two different vehicles had problems with part-throttle pinging when the EGR systems were deactivated. Any difference in performance was imperceptible.
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#11 |
Registered User
Join Date: Dec 2006
Location: Earth
Posts: 239
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Re: EGR block off plate
my truck did this when my timing was set at 9 degrees base timing, and with 87 octane. I reset it to 7 degrees, ( 1 degree above factory), and run 89 octane as per my emission sticker, problem solved
Duro
__________________
-1986 K10 LWB, 350 HD,TH400 3.08, 30 spline 10 bolt, with an Auburn Posi, 31" tires All original, second owner truck -1979 Monte Carlo, 350, 200r4, 3.73 posi -1987 GT T-top Mustang - slow moving project |
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#12 |
Registered User
Join Date: Feb 2007
Location: los angeles
Posts: 202
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Re: EGR block off plate
re did the timing and everything is cool. I was just wondering if that was the problem because truck started acting up a few days after i stuck the block off plate on.
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