
Originally Posted by
Ryeman
I'd love to nail down exactly what the differences between the 103 and 125 are.
Is there a difference in 'hardware' ?
So far all I can find for sure is turbo and integrated log manifold, ECU program ( same ECU system ) and a clutch in the manuals. All the 4 valve TDI's have 16.5 compression, only the 2V had 18 odd to 1. The new GTD 135kw EA88 we don't get has 15.8:1, but wow what an engine.
I'll be working it out for sure, but the yanks have already posted a lot of info on TDIclub that the Euro engines only differ in the above, whereas their USA 103 version differs considerably, as usual.
I would expect at least injectors also differ, but as yet can't find anything from VW stating this is so.
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