Definitely subscribing to this thread. Keep us updated on your findings

 

Well I guess I'll just throw this out there ... The evo8-9 IM is interchangable with the 4g69 as some lancer ralliart guys have done this for a boost in torque but a slight drop in hp.. Take it for what it is .....

 

I've googled this, but couldn't find an evo manifold that looked like it would bolt up. I'm really interested in finding out more about this.. do you have a link i could check out bro

 

^^^I thought it was the other way away: Drop in torque for a boost of HP. The Ralliart Lancer guys swap to the Eclipse IM for a boost in torque

 

i thought the intak maniflod on the ra couldnt fit are head due to one bolt the was off like two centinmeters

 

Researched that earlier on... both cars use the same manifold gasket, so bolting them up should be no problem at all.

 

really hold on let me find the thread and read up on it

 

http://club4g.org/board/4g-eclipse-gs-se-specific/6480-ported-polish-intake-manifold.html
Heres one of the threads

 

Never mind dude it will bolt up it's just that it hits the fire wall the to long If I can remember why

 

Thanks for that roman, good stuff to know

 

Your welcome man just trying to help don't want any one to buy it and find out it doesn't fit just looking out

 

I've taken my extra manifold to RRM and put it side by side to their PNP manifold, and along with the other differences listed (EGR mounting point etc.) we have one more sensor that runs out of our manifold.

 

I swapped the manifolds today, and to say the least, it bolts right up. There is no clearance issues at all, and I'm using a thermal gasket. You will need to lengthen the wires for the EVAP solenoid, EGR Valve, and MAP Sensor. Dave, not sure about which sensor you're talking about, but every sensor was present on the manifold, just adjust the wiring and you're set.

As far as the vacuum hoses, the manifold originally has what you need for them. Mine didn't have the brake booster hose, so for now I just stretched the existing hose over the plume, but I'm planning on use the OEM gallery once I can locate one (see pics above).

Besides that, the other difference that isn't mentioned above is the flange for the throttle body is slightly slanted on the Eclipse manifold, where it is straight out on the Lancer/Galant manifold. However it didn't hinder connecting my cold air intake at all.

Visually, the Lancer/Galant manifold plume looks noticeably larger and I think the runners are also longer than the Eclipse plume. I have no supporting facts proving one is better than the other. Personally, I chose to run the Lancer/Galant manifold because it doesn't have the resonator cutout that the Eclipse one has. As Roman mentioned above, the Lancer/Galant manifold may give an increase in torque, but a loss in hp :dunno:

I know I'm going to be asked if I felt any difference... but for tonight I didn't get to drive it much so we'll have to see how it does tomorrow. It did start right up, idled and drove 10 miles home with no problems at all. I did make one mistake when I had it apart, and I pushed the throttle body open and then pushed it closed again with my finger. My friend said I may have just uncalibrated the throttle body. I'm not sure if I did.. but it did't seem like it.

PROOF!

 

Any updates?

 

Nice swap!!!!

 

Thanks

Any updates?

With the crap weather we been having in update NY, I haven't been able to get on it too much lately. But from putting around it seems like the idle has smoothed out and it will pull more eagerly now... but it could just be me.

 

werd. prob wont know unless you dyno it.

 

bump

 

Just a side note after reading a blog on the intake manifolds.
Longer runners = more torque and less hp
Shorter runners = less torque and more hp

This is taking the volume into consideration...
larger = less torque but better flow at higher RPMs
smaller = more hp at lower RPMs because of higher air speed

Intake Manifold Tech: Runner Size Calculations - Team Integra Forums - Team Integra

If there's anyway to try to measure the length of the runners between the Ralliart and the Eclipse, would give some insight into this matter. Thanks.

 

I have a ralliart intake manifold I could measure ....

 

EVO VIII intake manifold on a N/A 4G69 - evolutionm.net

 

Hey guys! Sorry to bump a really old thread. But I was looking for some data on the differences between the Eclipse and Lancer Intake Manifolds. I did some searching and found this thread but not really anything other than people discussing if the swap is possible. Obviously, it is. But what are the differences? Are there noticeable HP or Torque differences between the two? I've seen dyno sheets comparing the Lancer IM to the Evo IM and you can see that some power is lost mid-range, but picked up in the top end. But I cant find anything of the sort comparing the Lancer and Eclipse IMs.

 

Just put a 38mm wastegate blockoff plate on your Eclipse intake manifold where that black resonator is located, I just hacksawed the top of the black thing off and bolted on the blockoff plate

 

Thanks guys! I'm going to go ahead and use the Eclipse manifold. I have the Eclipse, Ralliart, and Evo style manifolds at home. I was just bouncing around the idea of if it was worth swapping to one of the others. I think it'll be fine to keep this one for now.