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Lancer Evolution III Intake Manifold

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98evoIIIpwr said:
Im actually the one that sold the manifold to Anthony. It does in fact have an EGR (or did). It's quite a bit different from anything USDM spec. I initially went to install a block off plate and to my realization it was completley different and I was able to use the bolt that held the EGR on to block it off after removing it. MDP is another story. As far as using it with the Link, you will have no problems. I had it hooked up and I didnt come across any. I guess this is my experience at least.

The EGR mounted completely different and it's really hard to explain. Maybe I can snap a few pics to give you guys an idea just incase you think im crazy ;p
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Yes, please. :)
 
uhh a real EVOIII intake manifold shouldnt have a port for an EGR OR MDP. Mine has neither, I dont know what manifold you were using? There are no ports or even flanges or anything close to being an EGR or MDP on the manifold.
 
Anyone have a dyno before and after of one of these. I am interested if it produces 5 or so horses.
 
well guys after my searching, I have finally gotten a hold of my own evo3 intake manifold!
it is huge internally when compared to the factory 2g IM.
I have a few odd things going on here though.
using the great info from DSMunknown, and his pictures I see that we have some differences in our manifolds.

first, while they are the same basic design, his TB inlet does look like its 60mm, where as my manifold came with an evo3 TB and is in fact a 52 mm?! it is set up to actuate from the other side from ours, so it will not be used anyway, but I thought I would mention the difference.

second, DSMunknown's manifold has a hole where the factory 2g egr would be located. mine has the same bulge in that area, but does not have that passage. hmm.

third, DSMunknown's manifold has a 5th vacume barb on the drivers side pointing out. mine does not have this barb.

some interesting things to note but It looks like it will be a very effective manifold none the less. I am very impressed with the interior design of the plenum to runner joints.

on another note, I have to say that this thing is FILTHY inside. the throttle body was fairly clean outside the plate, but inside it was soot and oil black. the plenum is dirty but not bad, but where the runners would enter the head there are oil, grime and gunk stalactites!

needs a good hot tanking, but afterwards it should clean up nicely!
I can't wait to get it on there, but Like DSMunknown said it will probably be a while.
but once I plan on getting it in, I will be sure to do a dyno before and a dyno after so we can see what kind of gains it will make.

so yeah, to me it was so worth $150.

:thumb:
:rocks:
:D
:dsm:
 
How does the egr lower intake temps? Exhast gas is being put back into the IM so that in my opinion would raise the tem. I have a cyclone and it has no mdp sensor as well but I've been told that you don't need it for anything so you can just unplug it.
 
i was wondering that myself. I am in california, and I am definetly not going to mess this manifold up trying to make it have a egr and mdp location. can you just run with out these parts??
if so, do you just take them off and leave them hanging?
 
Ok so I've answered my own questions about the EGR and MDP.
now I've been looking all over the internet and I can not find the answers to these questions...

where to get an evo3 coil pack?
what modifications had to be done to the wireing and the plugs?
who runs these in california?
does anyone have a before and after experience with them.
and does anyone have pictures of this installed in their car?
sorry for the questions but I am trying to find out everything I can about this part...

(O.C.D... sorry:coy: )

:dsm:
 
gsxeclipse97 said:
How does the egr lower intake temps? Exhast gas is being put back into the IM so that in my opinion would raise the tem. I have a cyclone and it has no mdp sensor as well but I've been told that you don't need it for anything so you can just unplug it.
Click to expand...


Like you said the EGR valve recirculates exhaust gases back into the intake manifold under certain conditions (I believe its only under a light cruise). The point of the EGR is to lower you NOx emissions. If your awd or they don't do a loaded emissions test in your area for fwd's, your fine without an egr, actually probably better off as the egr will increase CO & HC levels. NOx is caused by combustion cylinder temps being to high. Exhaust gas has already had all/almost all oxygen burnt out of it, so when it is recirculated back into the compustion chamber, its basically an inert gas & also fills some of the volume where "fresh" air would normally be. This in turn lowers combustion chamber temps & reduces NOx. There are a couple ways to lower NOx, such as adding more fuel but this will also increase your CO & HC, so not usually a good option. Another option & one that seems to be good IMO is to reduce timing, as this will lower cylinder temps but shouldn't have an effect/much of an effect on your other tests.

Being fwd, in my area they do a 2500-3000 rpm loaded test & last test with my cams was pretty close to the limit of 505, I got 499. I have been looking around for an evoIII mani as well & hopefully can pick one up sometime over this winter. For my next emissions test I was going to play with my timing in the required area & was hoping that I could still pass even without an egr, if I can pick one of these mani's up.


As for the coil packs, I believe you can just use your 2g packs without any mods. They just bolt up in a different direction. I know this has been done & don't think it required any mods to the 2g packs but someone who has done it would have to verify.
 
daren_p said:
As for the coil packs, I believe you can just use your 2g packs without any mods. They just bolt up in a different direction. I know this has been done & don't think it required any mods to the 2g packs but someone who has done it would have to verify.
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This is exactly what GreddyGst did. The coil pack just needs to be flipped around; all you need is a custom bracket. No big deal.
 
the picture of GreddyGst's engine bay and evo3 im shows an evo3 coil pack. im sure that it would work but I would rather have the original. If you look closely you can see that the ignitor is mounted along the left side and the coil pack plugs into the right side.
 

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daren_p said:
Like you said the EGR valve recirculates exhaust gases back into the intake manifold under certain conditions (I believe its only under a light cruise). The point of the EGR is to lower you NOx emissions. If your awd or they don't do a loaded emissions test in your area for fwd's, your fine without an egr, actually probably better off as the egr will increase CO & HC levels. NOx is caused by combustion cylinder temps being to high. Exhaust gas has already had all/almost all oxygen burnt out of it, so when it is recirculated back into the compustion chamber, its basically an inert gas & also fills some of the volume where "fresh" air would normally be. This in turn lowers combustion chamber temps & reduces NOx. There are a couple ways to lower NOx, such as adding more fuel but this will also increase your CO & HC, so not usually a good option. Another option & one that seems to be good IMO is to reduce timing, as this will lower cylinder temps but shouldn't have an effect/much of an effect on your other tests.
daren_p said:
So you would say that since i don't have an egr my chances of getting knock are greater with the cyclone. On another cyclone thread i read it was saying that it would decrease knock if i had any because of the swirl of the air charge that comes into the cyclinder. Also though my car has the 8.5 compression ration with the 1g head and cams.
Also im going to assume that i have higher temps since all the air that goes into the ITM is fresh air.
Click to expand...
Click to expand...
 
gsxeclipse97 said:
So you would say that since i don't have an egr my chances of getting knock are greater with the cyclone. On another cyclone thread i read it was saying that it would decrease knock if i had any because of the swirl of the air charge that comes into the cyclinder. Also though my car has the 8.5 compression ration with the 1g head and cams.
Also im going to assume that i have higher temps since all the air that goes into the ITM is fresh air.
Click to expand...


No I wouldn't say your chances of knock are greater. The EGR only recirculates exhaust gas under certain conditions & believe its only under cruise with light throttle position. The EGR doesn't recirculate under WOT conditions, so there will be no difference in performance/intake charge with or without an EGR valve.
 
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