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Jan 13, 2008 | 09:48 PM

#21

jsup

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From: Bergen County, NJ Democrats, doing for the country what they did for Michigan

Quote:

Originally Posted by KENS80V

You must change to a vented gas cap if you do this. I would leave it hooked up as your garage might have a slight gas smell if using a vented gas cap. There is no performance improvement in eliminating the charcoal cannister.

I'm keeping the charcoal canister, I'm eliminating the EGR solenoid.

I just didn't want to start hacking away at the vacuum lines.

Jan 19, 2008 | 04:55 PM

#22

Vette Gator

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Burning Brakes

Joined: Dec 2004

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From: Gainesville FL

I checked the motor today and it looks like someone has removed the vacuum line from the EGR valve on the intake (the EGR is still there, however). The vacuum diagram for my 89 says that the EGR solenoid gets ported vacuum from the throttle body. I found a metal nipple sticking straight down on the drivers side with no connection. I couldn't see whether it was an open tube, but does anyone know if this is where the vacuum hose to the EGR solenoid should be attached? Even if I don't hook the EGR system back up, I want to eliminate any vacuum leaks if I have them.

Jan 19, 2008 | 05:34 PM

#23

Aardwolf

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Joined: Jun 2004

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From: WI

Quote:

Originally Posted by Vette Gator

Yes, and yes you need to cap it.

Jan 19, 2008 | 05:42 PM

#24

Aardwolf

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From: WI

Quote:

Originally Posted by KENS80V

You can just put a fuel cell tip over valve on the vent line at the top of the tank, put a loop in the line to. No fumes so far. With it gone you lose extra weight and have an area to mount a fluid cooler. From what I have been able to find out for a car that sits and does develop pressure, there is no benefit to having the canister. The pressure will be vented either from the stock cap or from the canister. I made a topic here about it:

http://forums.corvetteforum.com/show....php?t=1765316

Jan 19, 2008 | 05:44 PM

#25

jsup

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From: Bergen County, NJ Democrats, doing for the country what they did for Michigan

What I did was cut the "Y" connector that split between the charcoal filter and the EGR switch.

I picked up some vacuum tubing and I'll connect that between the throttle body and the charcoal filter.