Difference between the 00vi and mevi
01-27-2005, 09:24 AM
#1
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Difference between the 00vi and mevi
I searched and just found the guy that was testing them on his girlfriends 97. But i just want to know the difference between construction/ design and why did Nissan made 2 different variable intakes for the same years for the same engine even if it was on different parts of the world.
Thanks
Thanks
01-27-2005, 07:01 PM
#5
Originally Posted by DAVE Sz
No one is answering for a reason. The MEVI was never imported with the maxima to the states. CLOSE THIS THREAD!!!
01-27-2005, 07:34 PM
#6
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Posts: 781
I say more than a handful, not alot. Right it was only available in the Middle East, hence MEvi. As for what you posted, the 4th gens in the us had only a conventional intake, not variable intake. The Middle East had the Variable intake. Why didn't the US cars get it? Who knows. Why didn't we get the Skyline? Emissions.. etc...
01-27-2005, 08:39 PM
#7
Originally Posted by young1976
I say more than a handful, not alot. Right it was only available in the Middle East, hence MEvi. As for what you posted, the 4th gens in the us had only a conventional intake, not variable intake. The Middle East had the Variable intake. Why didn't the US cars get it? Who knows. Why didn't we get the Skyline? Emissions.. etc...
01-27-2005, 09:01 PM
#8
VIAS of the 00-01 cars kills the MEVI, look up dyno charts posted not too long ago. VIAS has become a hot item for the 4th gen guys, so hot that its on backorder from Nissan now. I'm waiting for a new one for my car.
01-28-2005, 05:54 AM
#9
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Join Date: Sep 2000
Posts: 781
Originally Posted by BlackBIRDVQ
VIAS of the 00-01 cars kills the MEVI, look up dyno charts posted not too long ago. VIAS has become a hot item for the 4th gen guys, so hot that its on backorder from Nissan now. I'm waiting for a new one for my car.
01-28-2005, 07:28 AM
#10
Originally Posted by young1976
?I don't understand... VIAS for 4th gen? When did that happen. I though the only variable intake available for the 4th gen is the MEVI, which I think is an acronym made by us for Middle East Variable Intake. right?
01-28-2005, 10:42 AM
#11
http://www.cardomain.com/memberpage/311621/3
Here's some dyno charts showing how the '00 VI beats down the MEVI. Sorry the pics aren't clearer, but you get the picture.
Here's some dyno charts showing how the '00 VI beats down the MEVI. Sorry the pics aren't clearer, but you get the picture.
01-28-2005, 03:06 PM
#14
VIAS rocks untill the power valve brakes down, **** is on backorder now with NO release date. I guess the word got out and everyone is now trying to get one for their 4th gen. I'm waiting for one myself for my 5th gen as I can't take the power loss at low and midrange no more, car is a animal at 5-6700RPM, but till 5 there aint nothing going on.
01-28-2005, 03:11 PM
#15
All us 4th genners are getting the VI off www.car-part.com or from other places. I only know of one 4th gen person that ordered the 00vi from the dealer.
01-28-2005, 03:13 PM
#16
^^^lol
blackbird, i thought you could live with that power loss j/k JB WELD brotha. You are gonna get a new one anyways hah.
Seriously though, is the install procedure a little more difficult than the MEVI or is it practically the same. Im mevi clueless.
blackbird, i thought you could live with that power loss j/k JB WELD brotha. You are gonna get a new one anyways hah.
Seriously though, is the install procedure a little more difficult than the MEVI or is it practically the same. Im mevi clueless.
01-28-2005, 04:09 PM
#17
JB weld aint going to fix what aint there :P the Cup is COMPLETLY broken inside of my 100K mile manifold, nothing there to turn it eighter... everything just fell into pieces when I took it apart. I'm supposed to go in and have mine repleaced along with my tranny sometime next week- let Nissan do it, they owe me 
01-29-2005, 03:14 PM
#19
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Originally Posted by DAVE Sz
No one is answering for a reason. The MEVI was never imported with the maxima to the states. CLOSE THIS THREAD!!!
But Duhhh
That was why I was aking why it never came to the states and cause i know of ppl getting it.Thanks everyone for the info!
So i got the 00vi if i have a 2000 right and is the VIAS the same?
01-29-2005, 09:48 PM
#23
Here is a ridiculously long post.
The MEVI is in many ways a simpler or more spelled out install. MEVI FAQ
With the MEVI you have to have an activation subsystem of a Solenoid, one way check valve, and Vaccum Canister connected to the RPM switch while the –k (00-01 Variable intake manifold on maximas and I30s) has this built in. It is more complicated than it sounds but you have to buy this on top of the MEVI kit, then connect this together, mount them, and wire it up. This is one of the only places where the -k is simpler. The –k only needs an RPM switch to tell it when to open and a vacuum line.
I recently installed a MEVI and it is still not an easy 5 minute job to do. It is rather involved.
However with the –k IM however there is no real write up. There are several directions to go. In short you swap the IM on.
Then you have to make a decision whether to use the –k Lower IM and injectors or try to thread the 4th gen LIM to fit the -k IM so you can use the stock 4th gen or you already have higher capacity side feed injectors. If you use the –k LIM and injectors you have to compensate since they are 270cc or 290cc (can’t remember which) vs. the 4th gen 240cc. The MEVI just uses the stock LIM.
Then you have to make a decision about the Throttle Body and Idle Air Control Valve. Whether to use the 5th gen TB and IACV or make some kind of adapter plate to use the 00-01 Pathfinder TB and 4th gen IACV. The stock IACV and TB bolts right up to the MEVI.
Then you have to make a decision about EGR and whether to take it out or to try to adapt it to the 5th gen EGR inlet or whatever. The MEVI will bolt up to the stock EGR system if you want to use it.
I believe the 5th gen PCV valve piping needs to be used since the 4th gen one routes differently. Not a problem with the MEVI.
The –k IM will show gains in both the midrange and in top end over the MEVI. The question is whether the power is worth all of the custom work. The gains should be significant but so is the added work. When I installed the MEVI they had just started this whole thing and I didn’t want to have to try to fabricate anything at this point. I may do it eventually.
An ECU will be very good for both IMs. The added torque from tuning make the MEVI more like the USIM in the midrange while the –k will just have more and the extended redline will help both a lot.
There are problems with the valves on both IMs. The MEVI has tiny screws on the butterfly valves that sometimes like to unscrew and be sucked into the engine. Most put Red Loctite on the threads but even a few have had that come loose. Some have even said to weld them. I put red Loctite on the threads and then put JB Weld (not quik) on the bottom just to have even more protection. It is still a good idea to check it every once and a while to see if any have come loose since sucking one of those screws will ruin your engine. I wouldn’t base my choice on just this but you should take some measure to prevent this situation. I have had no problems so far and the screws haven’t budged.
The –k activator has a metal cup that is attached to plastic and the plastic over time and use wears away. Many have fixed this with JB Weld.
http://forums.maxima.org/showthread.php?t=341077
The MEVI is in many ways a simpler or more spelled out install. MEVI FAQ
With the MEVI you have to have an activation subsystem of a Solenoid, one way check valve, and Vaccum Canister connected to the RPM switch while the –k (00-01 Variable intake manifold on maximas and I30s) has this built in. It is more complicated than it sounds but you have to buy this on top of the MEVI kit, then connect this together, mount them, and wire it up. This is one of the only places where the -k is simpler. The –k only needs an RPM switch to tell it when to open and a vacuum line.
I recently installed a MEVI and it is still not an easy 5 minute job to do. It is rather involved.
However with the –k IM however there is no real write up. There are several directions to go. In short you swap the IM on.
Then you have to make a decision whether to use the –k Lower IM and injectors or try to thread the 4th gen LIM to fit the -k IM so you can use the stock 4th gen or you already have higher capacity side feed injectors. If you use the –k LIM and injectors you have to compensate since they are 270cc or 290cc (can’t remember which) vs. the 4th gen 240cc. The MEVI just uses the stock LIM.
Then you have to make a decision about the Throttle Body and Idle Air Control Valve. Whether to use the 5th gen TB and IACV or make some kind of adapter plate to use the 00-01 Pathfinder TB and 4th gen IACV. The stock IACV and TB bolts right up to the MEVI.
Then you have to make a decision about EGR and whether to take it out or to try to adapt it to the 5th gen EGR inlet or whatever. The MEVI will bolt up to the stock EGR system if you want to use it.
I believe the 5th gen PCV valve piping needs to be used since the 4th gen one routes differently. Not a problem with the MEVI.
The –k IM will show gains in both the midrange and in top end over the MEVI. The question is whether the power is worth all of the custom work. The gains should be significant but so is the added work. When I installed the MEVI they had just started this whole thing and I didn’t want to have to try to fabricate anything at this point. I may do it eventually.
An ECU will be very good for both IMs. The added torque from tuning make the MEVI more like the USIM in the midrange while the –k will just have more and the extended redline will help both a lot.
There are problems with the valves on both IMs. The MEVI has tiny screws on the butterfly valves that sometimes like to unscrew and be sucked into the engine. Most put Red Loctite on the threads but even a few have had that come loose. Some have even said to weld them. I put red Loctite on the threads and then put JB Weld (not quik) on the bottom just to have even more protection. It is still a good idea to check it every once and a while to see if any have come loose since sucking one of those screws will ruin your engine. I wouldn’t base my choice on just this but you should take some measure to prevent this situation. I have had no problems so far and the screws haven’t budged.
The –k activator has a metal cup that is attached to plastic and the plastic over time and use wears away. Many have fixed this with JB Weld.
http://forums.maxima.org/showthread.php?t=341077
01-30-2005, 07:19 AM
#26
I'm getting a new VIAS cause my switchover is not repairable via JB Weld no more. Currently I don't even have a power valve in my intake manifold, cause I took it out to gain top end power. I love the top end power even if it lost alot of TQ. I have ALWAYS beat my car up HARD, it sees redline alot daily- cause I just love the sound and power it makes up top. But in the last 30K miles or so the top end power has died off, I opened up the IM and saw just pieces of the sheared off cup and nothing to hold that cup to. I'm going to see if I can have my VIAS intake back after Nissan repleaces it, I know for a fact I'm getting my old tranny back when they repleace it with a brand new one.
01-30-2005, 08:20 AM
#27
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Join Date: Nov 2004
Posts: 693
Originally Posted by BlackBIRDVQ
I'm getting a new VIAS cause my switchover is not repairable via JB Weld no more. Currently I don't even have a power valve in my intake manifold, cause I took it out to gain top end power. I love the top end power even if it lost alot of TQ. I have ALWAYS beat my car up HARD, it sees redline alot daily- cause I just love the sound and power it makes up top. But in the last 30K miles or so the top end power has died off, I opened up the IM and saw just pieces of the sheared off cup and nothing to hold that cup to. I'm going to see if I can have my VIAS intake back after Nissan repleaces it, I know for a fact I'm getting my old tranny back when they repleace it with a brand new one.
I got a 2000 with 120k miles on it and it sees redline at least 50% of normal driving.
01-30-2005, 08:29 AM
#28
Yes, opening it up and if the cup is in place and rotates when you try to open the VIAS manually- by pushing on the lever that attaches to the vacuum diaphram- then its GOOD. Hardest part bout it- is removing the damn screws, I used a impact driver to get them out. Once ya remove it- there should be vacuum holding the whole assembly on- once ya break it loose you will hear like a THUMP from all the vacuum letting out. If the screws let go EZ, then its really a 15 min affair to see what is up inside.
01-30-2005, 08:32 AM
#29
You should buy a manifold with low miles off of www.car-part.com and use it. Apply the JB weld even if it is not broken(I did) and use it. It will be much cheaper.
)
01-30-2005, 08:55 AM
#32
Its getting a tranny and new axles too haha, VIAS is on back order, tranny is already there waiting for me. But I don't wanna bring the car back there 2 times to do the tranny and then intake manifold. I dont wanna new engine, mine runs like a champ
haha, VIAS is on back order, tranny is already there waiting for me. But I don't wanna bring the car back there 2 times to do the tranny and then intake manifold. I dont wanna new engine, mine runs like a champ
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