2.8 mk 5
2 replies to this topic
Posted 10 January 2017 - 11:09 PM
Hi want to do a little project for the summer putting a v6 4 motion engine in a mk 5 golf any one else done any conversion and would it be easy enough to do
Posted 11 January 2017 - 12:37 AM
It's an interesting idea.
It should be possible without too much custom work, though the only VR6 engine they put in a MK5 was the R32. Meaning you'll probably need the gearbox (GUM) and driveshafts from an R32. I'm just guessing though, i don't know how much of the running gear is cross-compatible between MK4 and 5 platforms.
VR6 bell housings are the same, so gearboxes can be swapped, if different at all.
ECU and clocks could be fun, again, not sure how compatible they are. I think the MK5 clocks are CAN driven. You will probably need a de-immo'd ECU.
For the effort, i'd be sorely tempted to drop a BUB engine and box in instead. I mean, at least then it'll have re-sale value. No offence, but not many people want an 2.8 V6 MK5. An R32 engine however... SCENE POINTS!
I completely get it though. I have an irrational love for the AQN V5. I want to build a turbo V5 engine for my A3. For no other reason than I love the V5.
You do you.
Posted 11 January 2017 - 09:33 AM
The mk5 is all can-bus. The elctronics of a mk4 2.8 aren't going to work right - you'll have codes out the wazoo.
Put an R32 engine in from a mk5 :-) It's what I've done to my Touran!
You can put a mk4 02M into a mk5, though the dogbone doesn't line up 100%, it works, and you need mk4 front driveshafts, with mk5 outer joints. The left engine/trans mount need to be the "right" one - one side matching the 02M, and other side a mk5 style - I used the one from the 09G auto in my Touran, and it's fine, but the DSG ones are different, and are the 02Q manual ones.
I've got a mk5 R32 engine and ecu etc in the Touran, mk4 02M, mk5 left driveshaft, TT Quattro 3.2 right driveshaft with mk5 R32 outer CV. I have the 4 motion setup though, so needed the shorter right shaft.
There's a fair bit of wiring to do too, so really it's easier to buy an R32! Plus you get AWD.
I'm mental, which helps, but I had to build an R32 Touran, becasue a Golf doesn't have enough space, and a 2.0 Touran doesn't get the kids to school or kindy fast enough.
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