A4 3.0 to 2.7tt Swap

[cichonski55]

Does anyone know what I would need to change to do this swap and are the subframes compatable.

Sorry if this was already covered alot.....

[05A$SE]

i think there is like a 17page thread about this somewhere....try searching 2.7t in the b6 forum only you should get something

[cichonski55]

Yea my bad I just did and its huge so just ignore this

[Styleprojekt]

You cant really search engines (1.8t, 3.0 etc) that well in the search option. But go in google and search and it will lead you to a few threads on here.

Everyone will tell you "its not worth it"

Is it bad ass? Yes indeed

Is it do-able? Probably not if you are asking questions in a basic forum because it probably means you dont have anywhere near the knowlege needed to make this swap work in terms of electronics and more

[b6onboost]

The big issue with a 2.7T swap into a B6 is wiring/ecu/ect. I see no point in a 2.7T swap into a B6, if you are going to take on a project like that, you might as well swap in a VR6 and slap a big turbo on it, that'd probably be easier.

[Styleprojekt]

The big issue with a 2.7T swap into a B6 is wiring/ecu/ect. I see no point in a 2.7T swap into a B6, if you are going to take on a project like that, you might as well swap in a VR6 and slap a big turbo on it, that'd probably be easier.

I believe it was previously said that due to the VR6 not being an Audi motor it is even less of an option for the B6 platform and wiring as well as transmission would be even bigger of a nightmare. I may have fallen on my head though and be completely wrong.

[DELUX]

Why not just turbo your 3.0 V6?

[PhunkFX]

They are really not all that hard to do. Its a lot of work of course, but not that huge of a deal. I know swapping a 2.7T into a V6 is WAY easier than doing it from a 1.8T.

If you have alot of questions, you might want to give Greg from SSP a call. He has about 3 of these swaps on deck, and I think one B7 2.7T swap to do.

[Styleprojekt]

They are really not all that hard to do. Its a lot of work of course, but not that huge of a deal. I know swapping a 2.7T into a V6 is WAY easier than doing it from a 1.8T.

If you have alot of questions, you might want to give Greg from SSP a call. He has about 3 of these swaps on deck, and I think one B7 2.7T swap to do.

Anything can be done really, as long as you can find a parts car your pretty good to go. I found a 2001 S4 not too long ago with major body imperfections, the front was full of rock chips, bent fender, keyed doors, missing taillights as well as a cracked windshield and a broken mirror. Both front tires were flat and the front right rim had been hit with an object. The car had been vandalized. The interior was immaculate and the engine bay looked lickable clean too. The engine had 73k miles on it. They wanted $3900 for it...i wanted to get it and was gonna do the swap with a mechnic friend of mine.

[reapersa4]

Just do a 3.0 block with 2.7 heads.

[Styleprojekt]

Just do a 3.0 block with 2.7 heads.

Isnt the 3.0 block weak?

[Ill 3.0]

Using the AVK 3.0 block even with upgraded pistons/rods under high boost applications would probably be a bad idea.

[A4ringedONE8T]

I believe it was previously said that due to the VR6 not being an Audi motor it is even less of an option for the B6 platform and wiring as well as transmission would be even bigger of a nightmare. I may have fallen on my head though and be completely wrong.

Powerwise the VR6 would be a much better idea. To pull off the VR though you would want SEM to run the motor and keep the factory 3.0 ECU in place to run all the feature comforts (what will still work) in the car. Of course you will have to do some integration of the two systems (SEM and ECU) to get the cluster to work.

If you are going to go the 2.7T route, the C5 A6 2.7T is an easier swap than the B5 S4. The A6 overlapped the B6 body style and shared many of the same features. The A6 ECU is more plug and play into the B6 (which the B5 S4 setup is not). I am speaking mainly of the ECU and harness, not the motor iteslf

[sandspeed]

Using the AVK 3.0 block even with upgraded pistons/rods under high boost applications would probably be a bad idea.

What do you consider "high boost"? And has anyone blown one up due to something besides a bad tune?

[FORCE_FED_DUB]

What do you consider "high boost"? And has anyone blown one up due to something besides a bad tune?

B5 S4 guys have tried using the 3.0 block to save weight.... i don't recall the breaking point, but the bottom end always tore itself apart.

[nein-reis]

Does that mean 3.0 guys could use 2.7 blocks?

[Boosted3.0]

Does that mean 3.0 guys could use 2.7 blocks?

Good question. I doubt it because I would have done it already.

[B6Lovin]

i cant wait to click one of these threads and see that it's someone posting about their COMPLETED swap instead of just asking if anyone has done it.....

[A4natomical]

i cant wait to click one of these threads and see that it's someone posting about their COMPLETED swap instead of just asking if anyone has done it.....

tell me bout it... these are weekly threads now...

[Audi-ence]

Haha......that's because when the swap is finished they're too busy driving and enjoying their car to post about the results! Or maybe the swap was so expensive they had to sell their computer.

[the dog]

3.0 its still a ME 7.1 motronic just like the 2.7TT is....

I am currently swaping the 2.7TT into my H7 (B6) cabrio 1.8TQ...I made a threat about it here....

http://www.audizine.com/forum/showthread.php?t=287998

I have 2 issues with the wiring so far.

1) The S4 Ecu sends out rpm,speed and overheating signals to the tacho with the use of separate wires. 7.5 motronic (1.8T) sends this info with canbus
2) The S4 Ecu needs 3 wires (pins) to oparate the cruise control. The 7.5 motronic (1.8T) only need 1.....

I will try the ecu out with out the above pins. If it doesnt work I will intall the original one as piggyback......