Diesel Bombers SIGN UP NOW

National Association of Diesel Motorsports
Go Back   Diesel Bombers > Chevy/GMC Duramax > Chevy/GMC 6.2L and 6.5L > 6.2L & 6.5L Performance
Sign in using an external account
Register Forgot Password?
Search


Registered Members don't see these ads. Register now it's free!

6.2L & 6.5L Performance Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines Related to Performance and Longevity

Welcome to Diesel Bombers Forums!
Welcome to DieselBombers .com.

You are currently viewing our forums as a guest, which gives you limited access to view most discussions and access our other features. By joining our community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join the Diesel Bombers Forums community today!


Hi , I have 1991 k5 blazer powered by 6.2 diesel engine, my problem is when I looked inside the intake manifold and I saw black debris and dirt with some oil. I know that the EGR valve is the problem, but my question is ... JOIN NOW TO REMOVE TRACER

Reply
 
 
 
submit to reddit
 
LinkBack Thread Tools Search this Thread
  #1  
Old 10-13-2011, 07:54 AM
Diesel Fan

   

Question EGR delete for 6.2 diesel

Hi , I have 1991 k5 blazer powered by 6.2 diesel engine, my problem is when I looked inside the intake manifold and I saw black debris and dirt with some oil.
I know that the EGR valve is the problem, but my question is if I cancelled the EGR am I gonna face any problem with the check engine light?
I have another intake which dont have EGR and I will fix it.
my odometer has 97000 miles on it and the engine runs great with no smoke.
thanks.
Reply With Quote
  #2  
Old 10-14-2011, 09:15 AM
Diesel Enthusiast

   

Default

i wouldn't see why. a 91 would hopefully not have to crazy of a diagnostics system i would think. if its obd1 look up what codes apply for the truck. or talk to heath and they could probably set you up with a chip or something if you need to delete it.

wpg6.5's Sig:1996 Chummins 2500 4x4, 175hp p pump 12 valve, arp 625s, .10 over gasket, II 150lbs valve springs, 4gsk, port/polish, 3 angle, 5x.012 injectors,hybrid 181 dv, (BD 2 piece manifold, He351) exhaust wrapped, Afc mods/tuning, timing?, mack rack, 060 OFV, air dog 165, 3 inch custom intake horn, custom 100/0 plate, Gauges, SBC 3250 dd, big input, flywheel to match, electric fans, Afe BHAF. Dyno'd 360/828 over fuelled/poor tune, 458/1118 nitrous
Reply With Quote
  #3  
Old 10-14-2011, 11:44 AM
Diesel Fan

   

Default EGR delete

yes, it is obd1, and for time being I dont have any codes or problem with check engine light but its just I dont like to have the light on when I cancel the EGR.
one more thing, what will be the difference after I cancel the EGR?
Reply With Quote
  #4  
Old 10-14-2011, 09:24 PM
Diesel Enthusiast

   

Default

low egt, better mpg, maybe a bit more power. i did a bunch of stuff when i deleted my egr so it all made a difference. if you talk to heath they will probably be able to tell you if it will trip a code and give you any advice.
Reply With Quote
  #5  
Old 10-14-2011, 10:47 PM
Diesel Fan

   

Default

just like any other chevy, pull the egr valve off and put a plate over the port with a new gasket. the only thing the egr valve does is recirculate exhaust gasses to warm the engine faster. I've never had a problem when I delete one. especially on an obd1.

I've never liked them after having to rebuild a couple ford 351's. egr gets stuck open and next thing you know, you have a piston with a hole burnt through it.

anarchy61187's Sig:95 chevy K1500 6.2 turbo waiting for parts... 95 S-15 jimmy 4.3 dropped a valve, waiting for a 4JB1T... and a few others, for now I'm sporting the neon
Reply With Quote
  #6  
Old 10-14-2011, 11:59 PM
Diesel Fan

   

Default

Thanks guys this was really help full
Reply With Quote
  #7  
Old 10-15-2011, 12:22 AM
Diesel Fan

   

Default

no problem if you have any questions on how I did mine just ask.
Reply With Quote
  #8  
Old 10-15-2011, 03:27 PM
Diesel Fan

   

Default

I have an intake I have no problem to fix it it's the same height, but I dont know should I only put a plate on the original or to fix the other intake?
the other intake I have has no EGR and its for HD truck.

---AutoMerged DoublePost---

I have an intake I have no problem to fix it it's the same height, but I dont know should I only put a plate on the original or to fix the other intake?
the other intake I have has no EGR and its for HD truck.

gardeeno's Sig:1991 k5 Blazer 6.2 diesel 4" lift, off road design shackle flip, tuff country leaf springs, 35 Nitto A/T

Last edited by gardeeno; 10-15-2011 at 03:27 PM.. Reason: Automerged Doublepost
Reply With Quote
  #9  
Old 10-15-2011, 05:45 PM
Diesel Fan

   

Default

what's wrong with the hd intake? I'd just delete the egr rather than put the time and money into swapping intakes, but save the hd intake incase you end up rebuilding your engine or decide to run 6.5 precombustion chambers.
Reply With Quote
  #10  
Old 10-17-2011, 05:43 AM
Diesel Fan

   

Default

I already removed the original Intake, so am gonna fix the one for HD now but one more thing, should I use the CDR which is for the HD or juct connect the original one which fixes on the valve rocker cover? and the HD intake got to inlets for the CDR, should I connect to both or just plug one, and connect the other ?
Reply With Quote
 
 
 
submit to reddit
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search


 
All times are GMT -5. The time now is 11:20 PM.

Copyright And Legal Notice Links Of Interest

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Diesel Bombers ® - All Content Protected Under Intellectual Property Rights Law of Registered Trademarks
Reg. No. 3,494,401 Cls. 100, 101 & 104 Under Int. Cl. 38
USE AT YOUR OWN RISK WE HOLD NO LIABILITY FOR ANY CONTENT RIGHT, WRONG OR INDIFFERENT

Protected by Copyscape Duplicate Content Check