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JDM Twin Turbo Conversion On A Vert!

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Old 07-04-05, 02:06 PM
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JDM Twin Turbo Conversion On A Vert!

So last night we were tinkering with my buddies vert. He has this twin turbo kit lying in the back of the garage and jokingly says we should put it on. Well a few hours/beers later we have the block tore down and these turbos mounted up. I'll get some pics up tonight to show some of the progress.

Were going to be running this off a microtech. I know the N/A engine harness is a lot different than the Turbo. So I think if we get rid of that and go full stand alone we'll have to rewire the alternator and a few other things for everything to work, right?

We removed the 5/6 port sleeves and had to cut both actuator ports off the lower intake manifold then blocked them and the acv off.

Today we are going to mount the intercooler and upgrade the stock rad to a koyo then start putting it all back together. The way the intercooler pipe bends for this kit, it makes it perfect to use the stock n/a intake.

We are not sure were to tap the oil feed and return lines though. Probably the oil cooler and the pan?
Old 07-04-05, 02:08 PM
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NICE more power to you. i can't wait to see what this is going to look like get some pics up man! good luck.
Old 07-04-05, 02:13 PM
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Wow, that's going to be one crazy setup. You're going to have to convert them to non-sequential
Old 07-04-05, 02:14 PM
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What turbo is this? I would be interested in this. Twin Turbo makes me happy.
Old 07-04-05, 02:16 PM
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There's really no benefit if they're running non-seq. over a larger single, so why bother unless you have the parts laying around already?
Old 07-04-05, 02:18 PM
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Well, wouldn't they spool faster in seq than non seq. I'm not all too flashy about power, I just like the pick up faster at lower rpm's.
Old 07-04-05, 02:19 PM
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Can't run seq unless you swap in a FD harness/ECU/solenoid rack/etc, which, in the end, doesn't even become worth it, and it's better off just running a properly sized single anyway.
Old 07-04-05, 02:22 PM
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Originally Posted by walken
Were going to be running this off a microtech. I know the N/A engine harness is a lot different than the Turbo. So I think if we get rid of that and go full stand alone we'll have to rewire the alternator and a few other things for everything to work, right?
With both the NA harness and the turbo harness, you still need to run the wires to the back of the alternator, and the coolant temp sensor. The easiest way I have found to do this is to just strip the existing harness down to those 3 remaining wires. This way, the length and connectors on the ends already match (not to mention the colour codes).

We are not sure were to tap the oil feed and return lines though. Probably the oil cooler and the pan?
Easiest thing to do for the drain is to go to the pan. Pull it off, and weld on a bung/pipe, then make a line.

For feed, you have several options. Perhaps the easiest is to get an oil filter pedistole from Speed Machine/Racing Beat/Mazdatrix/etc. They have two 1/8" NPT ports for gauges cut into them already. Just use the appropriate adapter to bring it to AN size, and go from there.

You can also tap the oil cooler banjo bolts. Or, make a set of AN/braided stainless oil cooler lines with a T fitting in the feed (the one that leads to the rear of the engine). Or weld a bung onto the cooler itself (bit of a pain, unless you are already welding on the cooler for something else).
Old 07-04-05, 02:23 PM
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Originally Posted by SonicRaT
Can't run seq unless you swap in a FD harness/ECU/solenoid rack/etc, which, in the end, doesn't even become worth it, and it's better off just running a properly sized single anyway.
You're assuming that these are FD turbos. There were several Japan only twin turbo kits sold for the FC.
Old 07-04-05, 02:28 PM
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Originally Posted by Aaron Cake
Easiest thing to do for the drain is to go to the pan. Pull it off, and weld on a bung/pipe, then make a line.
For most people, it's easier to just remove the pan and drill the front cover and tap it, in the same spot it is stock, unless you have a welder nearby, usually goes a lot quicker this way.

Originally Posted by Aaron Cake
You're assuming that these are FD turbos. There were several Japan only twin turbo kits sold for the FC.
Damn, I need to haul my *** to Japan, they have all the good stuff for our cars. I'd guess they'd include a custom ECU/solenoid rack/etc to control it, or is it done mechanically somehow?
Old 07-04-05, 02:30 PM
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No idea. I don't think it was sequential, but I've only seen a few pictures and no details.
Old 07-04-05, 07:10 PM
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Thanks for the input, the turbo setup is 2 T3s and a 4" thick RE Amemiya intercooler. I forgot my camera earlier, but I grabbed it now and am heading back over.
Old 07-04-05, 07:13 PM
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haha, i like how all this commenced from drinking.
Old 07-04-05, 07:18 PM
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*eagerly waiting for pics*
Old 07-04-05, 07:38 PM
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well, i'm interested, twin turbo on an N/A engine, another first?
Old 07-04-05, 09:56 PM
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Uh, another Troll???

"Twin turbo kit" can mean anything.

If it's stock FD or Cosmo, there is no way in hell it'll just bolt onto a 6-port motor.
It's bad enough on a 13BT, but there 6-port LIM sticks out even more.

Something stinks...


-Ted
Old 07-05-05, 12:11 AM
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Non belivers ey? Oh well, here is some pics of the progess.



88 Vert, S4 6 Port block, maybe it is a first.... yeah I think its definately a first. lol



here is the intercooler dropped, its so old school the s4 maf bolts to it!



here is the grinded down s4 lim



here is a test fit of the exhaust manifold



and here's the mad doctor

Attached Thumbnails JDM Twin Turbo Conversion On A Vert!-p1010020.jpg   JDM Twin Turbo Conversion On A Vert!-p1010022.jpg   JDM Twin Turbo Conversion On A Vert!-p1010025.jpg   JDM Twin Turbo Conversion On A Vert!-p1010028.jpg   JDM Twin Turbo Conversion On A Vert!-p1010031.jpg  

Old 07-05-05, 12:14 AM
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Ahh, non-sequential setup. Pretty neat, looks like a lot of it was custom made?
Old 07-05-05, 12:17 AM
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From what we know it's a full RE Amemiya kit. My buddy picked it up when he was on vacation in Japan.

Attached Thumbnails JDM Twin Turbo Conversion On A Vert!-p1010029.jpg  
Old 07-05-05, 12:20 AM
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haha **** son! best necklace ever
Old 07-05-05, 12:22 AM
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Damn, that's pretty cool, never knew RE made anything like that. I need to take a roadtrip to japan!
Old 07-05-05, 12:25 AM
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yeah I saw someone selling that kit not to long ago on here. Pretty cool setup. Like to see the numbers on that thing when finnished.
Old 07-05-05, 12:25 AM
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It's obviously not stock...
Yes, that's a custom twin turbo system.

Any monkey can bolts things together.
Get it running and post back your results!


-Ted

Last edited by RETed; 07-05-05 at 12:47 AM.
Old 07-05-05, 12:42 AM
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yeah, tuning the microtech is going to be the hardest part and we ran into some snags today, but it should be all worked out by the weekend.


Here is my buddy's setup. He did it all himself. T04R, 460hp at 13psi




Attached Thumbnails JDM Twin Turbo Conversion On A Vert!-p1010044.jpg   JDM Twin Turbo Conversion On A Vert!-p1010045.jpg  
Old 07-05-05, 12:58 AM
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damn I didn't know a to4r could make that much power at such low boost levels, cool.


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