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Old 04-17-2017, 06:13 PM   #69
toledospeed
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Originally Posted by MeltedSolid View Post
Awesome! It's good to hear that the guide is working well and that another one joined the party! I have the same problem where all of my triple square bits are about 3" long for some reason, but thinking back now I think I used a 6mm allen wrench for that particular 8mm triple square (they work surprisingly well when out of options). Back when I was originally buying the triple squares I got the same "what's a triple square?" I rephrased it to 12 point socket and one guy sort of understood ish, but I ended up finding them on my own.
I was wondering if something else would fit that 8mm triple square bolt (flat head etc.), but I didn't want to take a risk of stripping it. I took some pics along the way that I will post later. Feel free to add any of them to the OP if you want to supplement your guide.

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Awesome! I'm glad it went well. I have the information on the map I'm running at home. I'll grab it at lunch.
Great, thanks!
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Old 04-18-2017, 01:18 AM   #70
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Originally Posted by toledospeed View Post
I was wondering if something else would fit that 8mm triple square bolt (flat head etc.), but I didn't want to take a risk of stripping it. I took some pics along the way that I will post later. Feel free to add any of them to the OP if you want to supplement your guide.
More pictures would be awesome! I didn't take many when I was doing the install, and there's a lot of places where I can't really go back and take a picture without disassembling my car again.
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Old 04-18-2017, 04:37 PM   #71
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More pictures would be awesome! I didn't take many when I was doing the install, and there's a lot of places where I can't really go back and take a picture without disassembling my car again.
Cool, here is a link to a shared Drive folder. Feel free to grab whatever pics you want. I didn't take a ton either, but some of these may be useful to see how things were done. Hopefully we won't have to do any disassembling any time soon!

https://drive.google.com/drive/folde...jQ?usp=sharing
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Old 04-18-2017, 09:50 PM   #72
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I uploaded almost every picture I took, so you definitely have way more than I do . I updated the initial post with your pictures. Thanks!
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Old 04-19-2017, 12:53 AM   #73
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Originally Posted by toledospeed View Post
Cool, here is a link to a shared Drive folder. Feel free to grab whatever pics you want. I didn't take a ton either, but some of these may be useful to see how things were done. Hopefully we won't have to do any disassembling any time soon!

https://drive.google.com/drive/folde...jQ?usp=sharing
Nice. I like those wheels.
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Old 04-19-2017, 01:03 AM   #74
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Nice. I like those wheels.
I'm jealous about the paint color too.
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Old 04-19-2017, 02:24 AM   #75
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I uploaded almost every picture I took, so you definitely have way more than I do . I updated the initial post with your pictures. Thanks!
Cool, looks good! It actually shows the coolant hose I broke in one of the pics you used. I'll provide an annotated pic when I get a chance, along with the part number and some advice to make folks aware so they can avoid my mistake. The guy with the GTI appears to have broken the same hose in the video, but he doesn't go into any detail about how it happened.

Also, on my Tiptronic 6spd auto, I did have the axle heat shield that you said your 5spd didn't have. Must be an auto vs. manual trans thing.

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Nice. I like those wheels.
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Originally Posted by MeltedSolid View Post
I'm jealous about the paint color too.
Thanks guys!
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Old 04-19-2017, 01:27 PM   #76
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Cool, looks good! It actually shows the coolant hose I broke in one of the pics you used. I'll provide an annotated pic when I get a chance, along with the part number and some advice to make folks aware so they can avoid my mistake. The guy with the GTI appears to have broken the same hose in the video, but he doesn't go into any detail about how it happened.
In the first picture, in the yellow rectangle, it shows the coolant hose (left arrow) that attaches to the plastic vent valve (right arrow) that comes out of the cylinder head. The vent is just a plastic adapter with an o-ring gasket that seals it into a hole in the cylinder head above the built-in exhaust manifold. There are not any moving parts as the term "valve" might suggest. On top, there is a plastic tube fitting that sticks straight up to allow the attachment of the hose. The aperture at the top of the fitting is not much larger than a pin hole. It simply allows trapped air to vent into the coolant hardline and back to the coolant overflow reservoir.

06K-121-143, Vent Valve, $3.36
06K-121-051-M, By-Pass Hose, $6.80
https://www.vwpartsvortex.com/oem-pa...alve-06k121143

Before removing the turbo, I would suggest removing the hose from the plastic vent fitting so it doesn't stick up as in the first picture. Be careful messing with the vent and it's hose fitting, it is very cheap plastic and will easily break. If you leave the hose intact like I did, just be very aware that it is there and don't knock the turbo into the hose.

In the second pic, it shows how the plastic hose fitting sheared off the vent valve when I hit the hose with the IS12 turbo assembly when pulling it out. It was very easy to do since there is a lot going on when you pull the turbo out. An extra pair of eyes watching all the different things you are trying not to damage may have prevented this. For a temporary fix, I was able to plug the hose going into the hardline and also plug the vent valve with a plastic pin and some blue permatex gasket maker. This allowed me to finish the job until the $3.36 part arrived.

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Old 04-22-2017, 06:31 PM   #77
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Another one down! IS20 and USP catted downpipe are now installed! Thanks again MeltedSolid for this awesome guide. I used the exact same method, except for minor details here and there. I haven't opened her up past half throttle yet as I have just been driving around getting the coolant settled and making sure I don't have any leaks. So far, so good! Now I have to get the JB4 dialed in to see how that works. A tune is going to be tempting to get better fueling if I hit the ceiling sooner than I would like.
Are you stacking with a tune? If not will this run on stock mapping until you dial in the JB4? If so, anything to watch out for on stock mapping until it is dialed in like not going full throttle until dialed in?

I have a GSW 4motion with JB4 and an IS20 sitting in my office that i bought before I bought the car for just this reason. lol
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Old 04-22-2017, 07:25 PM   #78
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Are you stacking with a tune? If not will this run on stock mapping until you dial in the JB4? If so, anything to watch out for on stock mapping until it is dialed in like not going full throttle until dialed in?

I have a GSW 4motion with JB4 and an IS20 sitting in my office that i bought before I bought the car for just this reason. lol
No, I am on JB4 only. Still running conservative map 6 (16 psi) and not doing too much with it until I know for sure all is well, but will be turning it up a bit more here soon! I've gotten on it a few times and it put a big grin on my face, lol. Stock mapping should be fine, ecu will request psi to reach requested load. You won't see much if any performance benefit on stock map.
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Old 04-22-2017, 10:27 PM   #79
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Originally Posted by 4MotionWagen View Post
Are you stacking with a tune? If not will this run on stock mapping until you dial in the JB4? If so, anything to watch out for on stock mapping until it is dialed in like not going full throttle until dialed in?

I have a GSW 4motion with JB4 and an IS20 sitting in my office that i bought before I bought the car for just this reason. lol
The gist I'm getting from swapping turbos on our engines is that the only downside of not properly tuning for it is you won't see the performance gains so it's pointless. It seems to completely safe other than if you request too much boost too early, which would cause compressor surging, but that won't happen on a stock map and the JB4 can't compensate for that yet anyways.
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Old 04-22-2017, 11:36 PM   #80
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No, I am on JB4 only. Still running conservative map 6 (16 psi) and not doing too much with it until I know for sure all is well, but will be turning it up a bit more here soon! I've gotten on it a few times and it put a big grin on my face, lol. Stock mapping should be fine, ecu will request psi to reach requested load. You won't see much if any performance benefit on stock map.

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The gist I'm getting from swapping turbos on our engines is that the only downside of not properly tuning for it is you won't see the performance gains so it's pointless. It seems to completely safe other than if you request too much boost too early, which would cause compressor surging, but that won't happen on a stock map and the JB4 can't compensate for that yet anyways.
Thank you for the replies. I do have a JB4 and do plan on using it. I just didn't want to put the IS20 on and be forced to do a bunch of tuning before I could drive it as it is my DD. Also if I need to take it to the dealer for unrelated warranty work or for an ECU update or a recall where they wouldn't notice the turbo but would notice the JB4 and needed to take the JB4 off to get the work done. I think it just might happen on my next vacation.
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Old 04-24-2017, 07:36 AM   #81
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Does the IS12 DV work on the IS20?
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Old 04-24-2017, 11:33 AM   #82
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Does the IS12 DV work on the IS20?
Yes, they are interchangeable between IS12 and IS20. My IS20 had one with less miles, so I kept that one.
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Old 04-24-2017, 06:24 PM   #83
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Does the IS12 DV work on the IS20?
Yes, they are interchangeable between IS12 and IS20. My IS20 had one with less miles, so I kept that one.
My IS20 didn't come with one so I had to transfer it over.
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Old 05-01-2017, 04:27 PM   #84
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Just an update on my install. All is good after two weeks. I just returned from a 600 mile round trip and all went well. Averaged 35-36 mpg for both legs of the trip, so I didn't lose anything in the fuel economy department. That is as good if not better than it ever did before with my driving style. I checked the oil and coolant levels last night and they are still right where they started. Great! Now it is time to start the JB4 tweaking to see what she can do. I am currently running a modest 16 PSI peak on map 6 and it already feels much stronger up top than the 17.5 PSI map 6 I was running before the swap. Hopefully the JB4 updated firmware comes out soon so I can work with the latest revision.

Still getting used to the extra noise of the new DP. Sometimes it seems quieter than others, so it is likely just certain RPM and conditions. At 65-80 mph cruising on the highway, it is very close to stock and there isn't any drone with my custom MF cat-back with resonator. However, there is a little drone (extra sound to some!) at certain RPM's during normal acceleration. It is kind of growing on me though. I love how it sounds in the parking garage at work, LOL.
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Old 05-01-2017, 08:51 PM   #85
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Just an update on my install. All is good after two weeks. I just returned from a 600 mile round trip and all went well. Averaged 35-36 mpg for both legs of the trip, so I didn't lose anything in the fuel economy department. That is as good if not better than it ever did before with my driving style. I checked the oil and coolant levels last night and they are still right where they started. Great! Now it is time to start the JB4 tweaking to see what she can do. I am currently running a modest 16 PSI peak on map 6 and it already feels much stronger up top than the 17.5 PSI map 6 I was running before the swap. Hopefully the JB4 updated firmware comes out soon so I can work with the latest revision.

Still getting used to the extra noise of the new DP. Sometimes it seems quieter than others, so it is likely just certain RPM and conditions. At 65-80 mph cruising on the highway, it is very close to stock and there isn't any drone with my custom MF cat-back with resonator. However, there is a little drone (extra sound to some!) at certain RPM's during normal acceleration. It is kind of growing on me though. I love how it sounds in the parking garage at work, LOL.
Crank that thing up!! Lol. You should be able to easily set it to 20+ at 4,000-4,500 and then taper it down to 18 at 6,500.
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