This has been my dream swap. Im so happy to see this documentation! Great work and Thank you!
Thanks! No problem! If you need any of my diagrams, I have them digitally (just PM me). The stuff in the pictures shows a bunch of handwritten stuff on top of the printed diagrams has not been transcribed yet, but I am planning on getting around to it.
As far as motor goes, if one were to do this swap, you have options:
To build up a PD TDI motor like this isn't that expensive and can be done on the cheap. The upside to using the European early 8v 150HP PD TDI (code ARL) was:
- Larger crank journals (can also be found on the US spec 2.0L PD B5.5 Passat code BHW)
- 18.5:1 CR pistons with oil galleries (slightly lower CR the US 1.9L PD code BEW)
- Stronger rods than BEW
- Non-divided intake ports in head with standard one-piece PD intake manifold
- Higher flowing injector nozzles (but same injector bodies as BEW)
- Older ECU architecture (EDC15P+, vs EDC16 found in BEW)
- stronger turbo than BEW/stronger stock ECU tune
That being said, the crank journals probably don't make a real difference as far as overall engine stoutness. The pistons are nearly the same as the 2.0L pistons from the US spec Passat BHW, and the Passats have more material in the tops of the pistons for removing for lowering CR (different placement of oil passages). And obviously the 2.0L pistons are larger and make for a higher displacement motor!
Rods are slightly stronger than the BEW and are the same as the 2.0L Passat BHW.
The intake ports can be fixed with porting and using a custom intake or imported European PD 130/150 intake.
Injector nozzles are irrelevant because I swapped them out with aftermarket ones.
Most tuners have similar control over EDC16 ECUs as they do over EDC15P+, although many tuners seem to still prefer the EDC15P+.
Turbo is irrelevant because I put a much larger one on.
I plan to put in lower compression oversize BHW pistons, Rosten H-beam rods, and larger nozzles. By the time I have done all of this, my motor would not be very different from a BEW with the same modifications outside of crank journals and intake ports.