to EGR or not to EGR, that is the question - Page 2 - Hot Rod Forum : Hotrodders Bulletin Board
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  #16 (permalink)  
Old 09-01-2005, 06:45 PM
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Quote:
Originally Posted by h8louzn
Not true!!
In CA your car is exempt if it is a 75 or older.....
Just checked into this again as I was going to help my nephew with a 76 mustang II Pro street...

OK, I typed to fast...
That is true but, you do not have to smog the car if it's a 75 or older..
So why would you worry about any of the requirement for that year car??
If you want to keep all that early smog crap on your car go ahead I will toss mine as it will never see a smog shop again!
I have a friend that got pulled over by the EPA and given a smog check on the side of the road in a '72 K5 Blazer. Just because you don't have to get a smog check doesn't mean you are exempt from any of the smog laws.

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  #17 (permalink)  
Old 09-01-2005, 07:44 PM
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California wants to send a message to have cars less than a couple of years old.
I drove a Tractor-Trailer for years and
out of 49 states
California gives you the most problems(Emissions,Weight,Log Books ,Length)
like was said (By several seasoned chevy rodders)
if he has a ECM and fuel injection(TBI orTPI)
run a EGR
there is no need
to read into question
Period.
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  #18 (permalink)  
Old 09-01-2005, 07:55 PM
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Unless you completely remove the computer and fuel injection system I would keep it, every car I tried removing the EGR on that was fuel injected and run by a computer ran worse. The EGR is now an essential part of the total engine package on all newer cars and should be left as is, try just blocking the vacuum port running to it and see the reaction. Usually the mileage takes a big hit with no extra power to compensate and it runs poorly at part throttle.
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Old 09-02-2005, 10:55 AM
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I agree, there really isn't a good reason to remove the egr on a near stock vehical and alot of good reasons to keep it.
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  #20 (permalink)  
Old 09-02-2005, 11:26 AM
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Remembering is hard!

If I remember correctly the speed density system use the EGR as a trigger for a different spark (and possibily fuel table). If you leave the EGR connected but plugged, when it tries to turn it on it will go to a separate ERG on spark table. If it was me I would run it if possible ('cuz it may be easier).
If I was going to unplug it, I would turn off the circuit fault and disable EGR in the cal. If I just unplugged it I could also live with the fault. It may not send you in to open loop (it really should not being OBD I).

If it ain't broke . . .
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