Removal OF EGR
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Senior Member
Joined: Jul 1999
Posts: 760
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From: Chillicothe Ohio
Car: 89 RS 355/ 89 IROC Convert
Engine: Hot Cam 355/TPI 305
Transmission: All 700r4's
Removal OF EGR
Hey all I am in the process of replacing my LB9 (auto) cam with the LT4 cam and my EGR is bad. Can I just do away with it since I do not have any smog test in my area? What is the down side of doing this?
Thanks
Brian Felts
Thanks
Brian Felts
Supreme Member
Joined: Dec 2000
Posts: 2,078
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From: United States
Well the purpose of an EGR is to recycle the exhaust into the intake too cool the combustion lowering Nox. This off course only happens at WOT and not at idle. Its really not gonna affect anything if u delete it. I believe u will get a code.
Supreme Member
Joined: Sep 1999
Posts: 3,197
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From: Manassas VA
Car: 04 GTO
Engine: LS1
Transmission: M12 T56
If you want to get rid of it, you should disable it in the ECM. 2 second fix in the PROM.
BTW, EGR is not active at WOT, it's active only at cruise throttle levels.
BTW, EGR is not active at WOT, it's active only at cruise throttle levels.
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