Tdi Turbo Question

[SI-W85]

Ok so can anyone tell me what turbo can swap over to what car as I have been told that the 2.7tdi is the same as the 1756 turbo and the 3.0tdi is the 2260 turbo but what I want to know is if the 2.7 will fit the 2.0 without any further mods like the manifold???

 

[desertstorm]

Darkside already do a complete kit for this transformation so you can work out what you need.
http://www.darksidedevelopments.co....m-2-0-16v-common-rail-engines-round-port.html

The choice of turbo determines the ultimate maximum power the engine will produce. Go too big and you lose low down performance and the turbo takes longer to spool, The latest 3 gen Garret turbos which these are do much better than earlier turbos.
There is a table here that gives you a rough idea of what you can get out of the different turbos.
http://www.darksidedevelopments.co....56vk-turbocharger-with-vacuum-conversion.html

I personally think it's best to aim a little higher so not bother with a 1756 at all either a 2056 or the 2260.
You will need clutch upgrades, a remap , larger intercooler etc.

Karl.

 

[adamss24]

2260vk is too big, best go with a 2056vk or 2056vl or even better: gtb2060vklr...ball bearing for instant spool ! With smaller turbo best watch the EGT, 1756vk does work just fine on it !

 

[SI-W85]

Thanks for the replies however that hasn't quite answered my question lol I know darkside sell the full kit but I have been told the 1756 turbo is just a straight swap, no other parts needed I want to know if this is true?? I realise the 2260 turbo is too big that is why I asked about the 1756 as if this is the case a 1756 turbo is £400 instead of darksides £1800 for the same thing but with a dpf delete pipe, so if I only need the turbo without manifold I would much rather buy just a new turbo.

 

[desertstorm]

I am fairly sure you can't just plug and play a 1756 turbo. You need a new exhaust manifold and intake piping as well as the downpipe flange being different. The 1756 , 2056 and 2260 all share basically the same frame so are usually interchangeable although I understand there are 2 types of manifold mounting bolt spacing on these turbos.
If you could plug a 1756 in you could do a 2260 as well.

http://forums.tdiclub.com/showthread.php?t=301822

There are plenty of turbo's around off second hand cars rather than buying new. I am not sure of the capacity of the standard injectors and swapping injectors on these engines is more difficult / expensive than on older PD engines.
There is a customer car 140 bhp with a 2260vk and running there B8 kit and thats only making 242 bhp.

http://www.darksidedevelopments.co.uk/a4-b8-common-rail-2-0-tdi-16v/

If you look at the dyno print

And compare it with something like a remapped 140 bhp 2.0 tdi

You can see how poor the 2260 is at lower RPM. At 2K rpm a remapped 140 is making 120bhp the 2260 equipped car is making 75bhp. it's not till 2500 that the big turbo car gets in front of the standard remapped car.
Thats why a 2260 is too big for a regular road going 2.0 TDI. The 2056 is probably a better bet to get the same kind of power but more driveability.
Price up the map, clutch , intercooler, brake upgrades etc. A hybrid standard turbo would probably get you to 220 bhp ish and still give you driveability and fuel economy.

Karl.

 

[adamss24]

One of my mates has a pd170 with a gtb2060vklr, large bosio nozzles, ported head, ARP hardware, machined pistons with lower compression, EGR/DPF delete, Sachs SRE clutch and much more, it puts over 300 Bhp but the engine is fragile... His EGT are high, the CHRA holding bolts to the manifold keep shearing, he ended up drilling and tapping for larger bolts ! The car has massive potential but it's a bit too much for FWD !