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I have a '07 Passat 3C 103TDi and a '08 Golf MkV GT Sport 125TDi both with 6spd DSG (Golf fitted with flappy-paddles).
Engines are quite different with the 103TDi almost aggressively economical in combo with the DSG and the 125TDi much more peppy around town though would be on par I imagine in economy if not for the fuel tank sizes. On long trips and my 1hr commute to/from work the comfy Passat is the car I'd rather be in and though 103kw is sufficient, having more cannot mean less enjoyment
Not knowing about the existence of a 125kw motor when buying the Passat (along with the injector failure feature on the BKP series) it recently got me thinking having driven the wife's Golf a bit more recently, rather than chip/tune the Passat, can the 125TDi motors (from next year model onwards) be transplanted? The cost of an engine is similar though labour is the unknown quantity, especially if its a pain...
What are the difference between these motors too giving the extra power/torque - turbocharger, injectors/injection type/pressure, just maps or a combo?
Has anyone done this, whats the difficulty/problems/gotchas; and do all of the 125TDi's have the DPF? Or am I just nuts for even considering, and should focus on component upgrades?
Haven't been able to find much on this so eager to hear.
Thanks
Engines are quite different with the 103TDi almost aggressively economical in combo with the DSG and the 125TDi much more peppy around town though would be on par I imagine in economy if not for the fuel tank sizes. On long trips and my 1hr commute to/from work the comfy Passat is the car I'd rather be in and though 103kw is sufficient, having more cannot mean less enjoyment
Not knowing about the existence of a 125kw motor when buying the Passat (along with the injector failure feature on the BKP series) it recently got me thinking having driven the wife's Golf a bit more recently, rather than chip/tune the Passat, can the 125TDi motors (from next year model onwards) be transplanted? The cost of an engine is similar though labour is the unknown quantity, especially if its a pain...
What are the difference between these motors too giving the extra power/torque - turbocharger, injectors/injection type/pressure, just maps or a combo?
Has anyone done this, whats the difficulty/problems/gotchas; and do all of the 125TDi's have the DPF? Or am I just nuts for even considering, and should focus on component upgrades?
Haven't been able to find much on this so eager to hear.
Thanks
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