what all is required to swap to evo III intake manifold?

[mantega4g63]

Hi I got the evo 3 intake manifold and am in the middle of the swap and have a few questions. So the sensor up on top of the intake in red has no provisions on the new evo 3 intake manifold. Also, the plug that the left arrow is pointing to has nowhere to be bolted down as before it was bolted along with the 2g intake coil bracket, but i swapped to the evo coil bracket. What can I do about these? Are they necessary? I was told the red is just an air temperature sensor

ALSO I noticed the fuel rail on 2g intake manifolds is held down by 3 bolts, on the evo 3 intake manifold i only saw 2 bolt holes. do i need to find a stock evo 3 intake fuel rail too or something? i haven't tried to mock it up yet

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more pics to explain the situation, i am also holding a diode that has nowhere to be bolted up to the evo 3 intake but was bolted to the side of the 2g intake

2g bottom evo top, in this picture i have mocked up the sensor that has nowhere to be bolted on the evo i was referring to

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2g left evo right

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[WES_393]

Circled in red is the MDP sensor, it's purely for emissions purposes. The arrow is pointing to the Power Transistor. It would be best to mount it anywhere possible, or at least make sure it can't randomly come unplugged. Without it the engine won't run.

 

[mantega4g63]

Circled in red is the MDP sensor, it's purely for emissions purposes. The arrow is pointing to the Power Transistor. It would be best to mount it anywhere possible, or at least make sure it can't randomly come unplugged. Without it the engine won't run.

thanks, any insight on the fuel rail? i edited my post

 

[95gstnate]

The fuel rail bolts to the head not the intake so there shouldn't be any issue with it.

 

[Cox Abele]

The two bolt holes you think are for the fuel rail are actually for a bracket/casing for the fuel injector wiring. It is not necessary to bolt it back down. You may even need to eliminate the casing due to clearance issues; I did. The case mounting points are different between the Evo3 and 2G.

The transistor has a bracket that attaches to the coil bracket. It is necessary to run the transistor, but it's placement is moot. I can not say if it must be attached to a ground, but I doubt it.

The item you refer to as a diode is actually a condenser. It absorbs and buffers electrical frequency interference. While it is not absolutely necessary, it is beneficial to have installed as it reduces charging and ignition system noise most noticeably detected through your radio. They were commonplace in older vehicles that did not use a resistor in their spark plugs, however are still found to be beneficial to buffer against the frequency distortion of the charging system. It is a factory part. Find a grounded location on your intake to bolt it to, placement doesn't matter aside from that it is grounded.

 

[mantega4g63]

what would be some good things to wire tuck when putting my intake back on? could i put my coil pack below the intake and ziptie shit down?

 

[gorf]

First question did you get a coil bracket with the manifold or do you have to fab one up?

The MDP will throw a code if not plugged in, someone chime in, but I think with Link you can disable it.
Since I do not have link, I fabbed up a bracket and mounted a nipple on the MDP then just "t'ed" into a pressure source.

 

[mantega4g63]

First question did you get a coil bracket with the manifold or do you have to fab one up?

The MDP will throw a code if not plugged in, someone chime in, but I think with Link you can disable it.
Since I do not have link, I fabbed up a bracket and mounted a nipple on the MDP then just "t'ed" into a pressure source.

yes i got a coil bracket which you can see i mounted my my coil from my 2g intake to the evo 3 coil bracket because one of the evo 3 coils were broken. i do have link and can disable it i guess but idk what to do to "fab up a nipple and t into a pressure source", i'd rather disable it than all that

 

[synthetek]

Just leave the MDP disconnected its part of the EGR system and the EVO manifold eliminates that too. You will probably get CEL for the MDP and the EGR but you can get rid of that with ecmlink or a flashable ECU.

 

[Archer Fabrications]

What if you use a map sensor in the mdp spot? Drill and tap?

 

[synthetek]

What if you use a map sensor in the mdp spot? Drill and tap?

2G/EVO MAP Sensor Adapter - JM Fabrications

 

[L1v1ng L3g3nd]

If your manifold still has the evo III coil bracket on it, then it's truly plug and play.

Just don't forget to plug that hole off before install: