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Re: Audi owners
Ok, here's an opinion from someone who works at an audi dealership.
The 1.8T is a great little motor. However, they do have a sludging issue in the A4's. Has a lot to do with the pickup screens and pan designs. If its a B6 chassis, its a more pronounced issue. The B5 chassis is not as prone to the problem, but not impervious. The 1.8T in the TT however, does not have the problem.
wfedwar is 100% correct about the 2.7T. We see the after-run coolant pumps and cam adj seal/valve cover gasket quite often. Other than that and motor mounts, the motors are pretty solid. Just know, on these motors, if you need to replace any of the turbo feed lines or the turbos themselves, its a very expensive bill.
If you are looking for the ability to tune your car for better power, both are great platforms. However, the 2.7T is considerably more expensive mod-for-mod than the 1.8T.
With either of these motors, as with any audi/VW motors, make sure you do the Timing belts and oil changes and they should run forever.
Also, beware of transmission choice. Manual is my preference, but if you have to go automatic, the only option is quattro. DO NOT go with a CVT trans, especially at that milage. You will have nothing but problems and expenses.
Sorry for the long post. Just wanted to share with you what I see from the dealership.
Robert
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