J30tt progress

[95-J30tt]

i'm giving the shop untill next friday, if there is nothing done, i'll be towing the car back to montreal, the car has been sitting there for over 2 weeks, and no one has touched it (i'm not hoping for them to do any work, i'd actually rather do the work myself, now that i have the time) round 2 will start next weekend, i'll keep you all posted..., about pictures, there is really not many, i have actually posted most of the good ones, however, i'll be taking a lot more now that i'll have more time when i work on it i'll see if there is pics that i might have overlooked, i'll post them

[95-J30tt]

drive shaft needs to be changed to fit the 300zx auto trasmission in, because the diameter (the green arrow) has to be bigger to fit the TT transmission in, i'm not sure however about the outer diameter (blue arrows)



this is just a picture of the TT engine and transmission from the back (that is before i put the J transmission in)



the red arrows refer to the coolant valve that needed to be bypassed to keep continuous flow of coolant to the turbos, that is a must when doing this swap, if the valve is not bypassed, a disaster would be waiting to happen.....i have a question, where does the plug go (blue arrows)??????......

[Defiant]

Egad, the turbo cooling is fed off the heater core? Seems odd.

[95-J30tt]

yeah it sounded strange to me too...... i think the coolant goes to the turbos first then the heater core.....
Modified by 95-j30t at 1:24 AM 12/18/2006

[yodawill2000]

Gonna be one heck of a heater !!!

[J30Guy612]

Damn dude, talk about some serious heat!!!

Thats awesome your doing this project, if I could ask one thing it would be to keep as much notes, pictures, etc. as possible.

If you could create a step by step tutorial, that would be unreal. So many people ask about this project, if we had a sticky with a step by step, including costs it would be very helpful!

Keep snapping those pictures, and keeping notes for us, I'm excited about this project!

[95-J30tt]

will do guys, i'll be doing a write up, and a step by step procedure, and support with pictures as much as possible...... as i said before, i was unable to continue due to finals, so round 2 will start next week, wish me luck

[elwesso]

godspeed!!!

[95-J30tt]

forgot another one, i found that very interesting, the yellow arrows reffer to the J mounts (notice that the J has two bolts that attach to the bay), and the blue arrows reffer to the 300zx mount. one thing that not a lot of people think of when swaping or taking the engine out is that in almost every case out there with 300zx and the J, one of the mounts is broken (usually the passanger side, it happens because the passanger side is the torquing side of the engine, so the engine lefts from there every time you floor it).....

[95-J30tt]

does anyone know where does the plug (blue arrows in the 3rd picture of this topic) go???

[Defiant]

Damn dude, talk about some serious heat!!!

Actually, nothing really special. The oil is also cooling the spool, and between the two of them, not all that much heat get to it. Although it's common for the snails to run a cherry red, the heat doesn't migrate that much into the bearing housing- the primary cooling for the exhaust turbine is provided by the exhaust flow itself. Most of the time, it's not all that hot. The heat energy from the exhaust is primarily what spins the turbine, not the flow. By the time it comes out of the snail, most of the heat has been taken out of the gas.

[DominickJ30]

Looks like an injector plug, but not sure.

Ill check mine out and see if I can match any plugs.

[NismoChi]

From looking at someold pics, i'm 90% sure that is the plug for the EGR temp sensor.

[95-J30tt]

thank you so much NismoChi, that is exactly what it is, but the TT engine doesnt have such a plug that goes to the EGR, so i might have to replace the EGR driver side hose, but i'm still searching to find out what exactly this switch does, and if the zx ECU reads it

on another note, i finally brought the car to montreal via towing (an hour ago), round 2 will start after boxing day.......

marry christmas to everyone in the nicoclub forum

[elwesso]

worst case if you dont have the EGR temp sensor hooked up its gonna throw a code 32... A CEL but not the end the world..

I know on the older Qs that the 94-96 had the EGR temp sensor and the 90-93 did ONLY on CA models...

[95-J30tt]

did some work today, the PTU chip was mounted, the fuel rails were swapped to the correct direction (i used the J30 pipes, they fit perfectly, and now they are facing the passenger side, refer to pic)





the big problem that i'm facing now is that the oil filter relocation kit will not fit properly, it doesnt give enough clearance for the kit's pipes to be installed due to the rack being in the way, the red arrows are were the oil filter relocation kit sits (the engine is lifted about 2", so there seems to be space in the pic, but once the engine was dropped back to it's original hight, there was no space what so ever), i would appreciate suggestions on this issue, i'm thinking of taking the filter kit to a machine shop, and have them drill holes on the side so i can mount the pipes that way, the green arrows refer to the rack assy. , and the blue arrows are where the oil cooler has to go (that hose is currently blocked, which is not a good idea)



and regarding the oil leak, it was due to the oil filter that i had installed (refer to pic), the oil filter that i brought (smallest one you can find) was not small enough to fit, it was sitting on the rack assy. , and that caused the seal to come out, but im still puzzled on what caused the leak to stop after a few seconds with the engine running.....

[J30Guy612]

Looking good man, nice to see you making some big progress =)

[95-J30tt]

i need to get the boost controller wire past the firewall, any easily accessed spot you guys know of??, would really appreciate it, pictures would be great too, thank you

[elwesso]

When i ran a wire for my amp I ran it with the hood release cable.. It goes through the firewall right by the TCU and gives almost direct access to the engine bay, id think thats where you would want it to come thru anyway. You can access it easy with the TCU removed and the splash shield removed as well..

Is there not enough room between the engine and the steering rack to install elbows on the remote filter kit??? You know what I would recommend doing, post up in our "hybrids" forum and i bet the guys there would ahve some brilliant ideas...

[95-J30tt]

thank you elwesso, i already sliced the kit's bracket by more than a 1/4", and did the same for the hoses thread, i think that there is enough space now, but now i have a problem with fitting the hoses to the bracket as the threads wont catch, so off to a machine shop to fit elbows and fit the hoses on to them, should be done with that tomorrow

Edit: i also have to swap the intercooler, what i have now is a one pipe in and one pipe out, but what i need is a 2 pipe in and 2 pipe out, i'm also going to be doing that tomorrow, if i get past the issues of the oil flow, mounting the intercooler (not running the hoses yet, but just mounting it), and passing the controllers wire to the engine bay, i'll be very happy

[elwesso]

They sell intercooler kits for twin turbo vehicles.... Are you just going to use Y fittings.

[95-J30tt]

i was thinking about that, but due to the tight space that is in the engine bay (after installing the fan shroud), installing a Y-fitting will increase the mount of piping that i'm going to need, i have sufficient piping, but the problem would be were to fit everything under the hood, i'm still speculating if the piping would fit with the hood closed with a 2 in and 2 out intercooler i hope that i can find a reasonably sized intercooler to fit between the bumper and the condenser

[elwesso]

So you dont think you could route 2 sets of hoses the same way the twin turbo does? I would cut some holes in the car where the airbox sits and maybe consider moving the battery to the trunk to run it out front...

[95-J30tt]

i had to downgrade the intercoolers (for now), i got these instead

i also got a set of blitz BOVs (used but with a warrenty) untill i can get the HKS SSQV (already have one but need another one, waiting to find a good deal)

also prepairing to chip the ECU....

such a small thing can cost so much.....

has anyone had experiance with the irridium ix spark plugs?, the pic to the right is the new NGK Irridium IX and the one to the left is the original plugs that i took out of the engine....

what is left now is the oil filter kit, i've already choped more than a cm of the kit's bracket, but still need space to clear the rack, i'll have to look into that tomorrow.....

[Defiant]

I've not seen what all you're dealing with, nor how Nissan does the ZX intercoolers, but have you considered going to a sidemount scheme?As for the blowoff valves, if Nissan recirculates the vent, so should you.And on plugs, you should use what Nissan calls for on the turbo; be sure to measure and set the gap to turbo spec. Do not consider platinums, as they don't do well under boost conditions.

[DominickJ30]

I love this thread.

Keep the good sh1t coming!!!

[J30Guy612]

Agreed, the more updates and pictures the better!

[elwesso]

I've not seen what all you're dealing with, nor how Nissan does the ZX intercoolers, but have you considered going to a sidemount scheme?As for the blowoff valves, if Nissan recirculates the vent, so should you.And on plugs, you should use what Nissan calls for on the turbo; be sure to measure and set the gap to turbo spec. Do not consider platinums, as they don't do well under boost conditions.

The ones he pictured are the OEM sidemounts...

[drape123]

Hey buddy, when i did my J30TT i had the same problem.

you need a oil relocator that looks like this:

[yodawill2000]

Glad to see you back around Drape ..Show up more often will ya !!