This Corrado R36 build thread is intended to be a resources for those wanting to do 3.6 VR6 swaps. I would like help with questions that pertains to 3.6 swaps as well as compile links to other resources that help with the 3.6 knowledge. I did something similar for the TDIClub when I was doing my 1st TDI swap and it has been fairly helpful to the VW community for those that want to do TDI swaps to the point where TDI swaps are now fairly common place. I think with a common pool of 3.6 FSI knowledge this swap will become the new why not swap. Right now its a little beyond most people's knowledge level.
Potential USA 3.6 VR6 Donors
Porsche Cayenne 2006+
Audi Q7 2007-2010
Parts necessary for the Corrado swap as I’ve done it Engine Parts
-Passat BLV Engine & Harnesses
-2007 Touareg BHK ECU (I used this so I could use a mk4 gas pedal which is easier to install and looks more OEM)
-Passat intake fuel pump and control module (people have used regular fuel pumps and a relay)
-850fab Downpipe works great with 3.6 manifolds
-Mk3/SLC rear motor mount bracket
-Fluidampr crank pulley (I initially test fitted a touareg block and the crank pulley was HUGE, it hit the frame rail. The Passat BLV pulley is smaller and should fit the corrado)
-S&P tuning drive by wire pedal bracket for the mk4 gas pedal: https://s-pautomotive.com/product/mk...t-dbw-adapter/
-mk4 gasser gas pedal
For those that want to run Standalone
Paul (Need_A_VR6) contact Paul at his site: https://kptuned.com/ he has recently run a 11.638 in the 1/4 with his 3.6 Corrado on his tuning. He is in the process of having intake manifolds made and cams ground for the 3.6
For those that want to build your own harness
-I made my harness I used the wiring diagrams from the corrado manual, Passat and touareg as well as one of the pinout sheets that I've taken substantially updated. (linked above) Wiring is not easy and you might not like where the harness makers install everything or the amount of wire they supply. Hence why I made mine. You will save a lot of frustrations by buying it, but when things don't work you have zero luck in trouble shooting it by not going through the learning curve of how things work together.
-2 CE2 add on relay sockets
-6 CE2 add on fuse sockets
-Mk4 Beetle OBD2 diagnostic port and bracket there was an OBD1 plug in 1994 corrados and if you wanted to be an anal corrado guy you could go that route. I didn't because I didn't know about it when I installed my OBD back in 2008.
-3M Friction Tape p/n: 3407NA
-A bunch of TE terminals in various sizes
-A lot of heat shrink tubing with glue on the inside
-Passat BLV is the same as the other transverse 24V oil filter flanges
-I had two ports welded on
-I also used G60 brass oil pressure fitting that’s found on the head for the super charger oil feed line. I think the Vr6 corrado also has these too.
-Front end hoses
-lower radiator hose is a combo of a G60 lower radiator hose, VW t fitting with temp sensor Flange part number 1c0121619C and the Passat blv lower rad hose
-upper is the Passat blv lower rad hose, comes with the lower hose and a custom SS pipe I fabbed up.
-the heater core hoses are the same heatercore hose from a mk3 that runs from the side of a 2L Head to the HC. I cut them down.
-the coolant bottle hose is from a mk3 tdi.
-I replaced the BLV’s coolant temp sensor with a mk3 TDI temp sensor part number 357919501A to support the ECU and cluster from one port.
-I used a MK3/SLC Electric Coolant pump
****NOTE THE 850fab Downpipe fitment doesn’t work with the FABLESS VR6 Swap Kit mounts and cross member that repositions the engine****
850 Fab's individual mounts and cross member doesn't resposition the engine and works with the 850 Fab downpipe.
****also note that I don’t have any connection with 850Fab other than I paid to have him weld my downpipe and he then made a jig from it. I don’t make a cent off the sales of that part or any other parts sold by other 3.6 swap part sellers.
I do sell 3.6 wiring harness cores to people but that’s all I get into. I don’t want to deal with end users issues and hence why I’m not a business.
Throughout my swap I had to test fit, re-engineer parts and then start over to get my car running to the point where I could rack up lots of joyful miles.
In the end I ended up using the stock 3.6 manifold
For my Corrado swap I thought about using 2.8 24V manifolds or 2004 R32 manifolds (there are probably a bunch of other donors) that point straight down so I could use a TT downpipe with a single outlet.
Here are the different manifolds
In the end I ended up using the stock 3.6 manifold
Good to know about the water cooled alternator. I was asking mainly because the Touareg block I have has the port in the block and coolant pipe.
The accessory bracket I have from the Touareg has a power steering mount but unfortunately doesn't allow for the Corrado AC compressor to be mounted. I'm going to take a look at the Touareg compressor and its fittings before I seek out a 24V 2.8 bracket.
Great idea for a thread, most swap posts here start with someone asking a question, someone else posting an unsourced photo of some amazing swap, and then the whole thread going dead. Hope this one keeps going!
I maintain a 3.6/4motion-specific info thread in the B6 forum. No swap-specific info but it might be useful:
I haven't got it wired in anymore, I'm still tidying up the swap. It looked promising to make the stock pedal work, but it kept getting EPC lights. I ended up using a brand new MK7 pedal flawlessly. Bolts to the firewall relatively well.
I sent the ECU away to get a couple phantom check engine lights removed, so once it's back I'll tinker with it more. I ended up needing a new fuel pump because the stock one was causing lots of hesitations.
Was it a direct swap or did you need to use the mk7 plug? Also did have the same values as the b6 Passat pedal ft the ecu or did it take custom coding?
MK7 pedal (any pedal works, I tested with a TDI pedal) works with the MED9.1. The B6 pedal gave codes in my brother MK7 TDI. I just ran basic settings for all the pedal related things and I haven't had an issue. The plug looks different, but you can plug the B6 accelerator plug into the jack on the MK7 accelerator.
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