LT1-LT4 Modifications 1993-97 Gen II Small Block V8

EVAP Delete??

Old 08-05-2009, 02:33 PM
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Default EVAP Delete??

I tucked my fuel lines yesturday and in the process decided to loose the evap line. I'm planning on removing the solenoid but is that going to be a problem and cause the SES light to appear? I had Ion loose the air and egr codes, but can't remember if I told him to get rid of the evap codes.

Is the SES light for evap going to put my car in a limp mode or will it run the same with the evap code there?

I found my old tune sheet and here is what I had him do as far as options go

Powertune selected.
Disable speed limiter.
Disable Skip Shift.
Disable EGR.
Disable AIR.
Disable CCP codes.
Old 08-05-2009, 02:38 PM
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If they disabled CCP - you're gold. The Evap is CCP - I believe it stands for Charcoal Canister Purge.
Old 08-05-2009, 02:47 PM
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Even with the EVAP Code it won't go into Limp Mode.. that isn't an essential function.
Old 08-05-2009, 02:52 PM
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Is the Evap delete as easy as the EGR delete? Like do I just unbolt and pull out everything connected to the hose?
Old 08-05-2009, 02:56 PM
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^^ I am interested in this, I am getting rid of all emissions because 1. They rob power. 2. We have no emissions control in Bahrain!
Old 08-05-2009, 02:57 PM
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^^That and cheap gas.
Old 08-05-2009, 02:59 PM
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Originally Posted by porksoda
Is the Evap delete as easy as the EGR delete? Like do I just unbolt and pull out everything connected to the hose?
Yup..just cap off the Vacumm port on the Intake that the one hose from the Solenoid connects to. As far as that 3rd Fuel Line goes..clip it near the Fender and stuff it in it, then remove the Canister and turn what's left of the line into a Vent.
Old 08-05-2009, 03:36 PM
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I did the evap delete. It took me 10 min. The hardest part was taking the rear driver side wheel off so I could get to the stupid canister lmao. It was cake and it cleans up the engine bay a little bit...gets rid of those useless solenoids and lines running around in there.
Old 08-05-2009, 03:37 PM
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And as stated above...if you had the CCP Deleted, your good, that took care of your evap system...
Old 08-05-2009, 03:38 PM
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Nice, I'll be removing the rest today and hiding some more wires

I pulled my inner fender to hide the fuel lines and drill a new hole so I cut it down there. Now I just need a cap for the TB and clip off some wires and tuck them into the harness (taped off of corse)

Thanks guys. I'll have the car back home tomorrow if all goes well and should have some pics shortly after
Old 08-05-2009, 03:44 PM
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cap for the TB? You mean the intake manifold?? The evap hooks up right next to where your Opti Vent tube hooks up, and your PVC hose runs. There are 3 nipples right there for lines...one of which is the EVAP...cap that one off. There is nothing from the EVAP on the TB though
Old 08-05-2009, 03:54 PM
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^^Mine was a 1995, the EVAP was on the Passenger's side.
Old 08-05-2009, 04:01 PM
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lol my bad, I didnt know it was opposite on 95's. But still its not on the TB is it?
Old 08-05-2009, 04:30 PM
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Originally Posted by Z28Camaro30Ann
lol my bad, I didnt know it was opposite on 95's. But still its not on the TB is it?
The EVAP solenoid is on the passenger side of every 93-97 f-body LT1 and the vacuum supply is from the TB.
Old 08-05-2009, 04:59 PM
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got ya
Old 08-06-2009, 12:25 AM
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Originally Posted by Z28Camaro30Ann
got ya
LOL dude you had me so confused for a second. I thought I knew what I was doing when I was unhooking **** today. But the solenoid is on the passengers side and the hose runs into the TB on the same side. Its that way on my 95 anyway.

The plug for the EVAP solenoid is cut and tucked back in the loom now, my intake tube is painted, and the TB is capped off where the EVAP hose ran into it. Tomorrow I'm finishing up the brake install, extending my MAF wires (just have to figure out how to run them up in front of the radiator where my intake tube is now)

I'm getting kind of excited though, the last time I drove it was in April It sucks not having any money and a bunck of stupid little projects that just kept on going wrong
Old 08-06-2009, 12:32 AM
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Didnt mean to confuse you...someone tinkered with mine I guess cause mine ran to the driver side of the intake manifold for some reason
Old 08-06-2009, 10:34 AM
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Originally Posted by Z28Camaro30Ann
Didnt mean to confuse you...someone tinkered with mine I guess cause mine ran to the driver side of the intake manifold for some reason
Its cool man, no big deal and nothing got ruined I was just thinking WTF, '97s must be alot different LOL

But I'm off to try to button everything up and hopefully drive her home tonight
Old 08-08-2009, 12:24 PM
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No check engine codes took the car out 2 nights ago with only high beams headlights (lows were out for HIDs) and wow is that scary not being able to see anything. The only time I could see the road light up was when I was getting on it but as soon as I let off I couldn't see ****. HIDs went in last night and WOW, thats all I can say. 4300k HIDs is where its at IMO
Old 02-12-2019, 12:29 PM
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Default Gas tank vent line.

Will the gas tank vent line that went to the purge canister develop condensation that will get in gas tank? Can I leave just this line attached to the purge canister? Will doing this prevent condensation, and lower gas fumes? Thanks


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