30 Are the performance chips interchangeable between cars with similar engines, e.g., VR6 Corrado and Passat?
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This article is from the VW Performance FAQ, by with numerous contributions by Jan Vandenbrande others.
30 Are the performance chips interchangeable between cars with similar engines, e.g., VR6 Corrado and Passat?
A:NO, Almost all the chips are different, even within one
model. For example, the 92-early 93 US Corrado VR6s have
compatible CPUs and chips, but are not compatible with
later (distributerless) VR6 Corrados. The chips are
ordered by the box number on the CPU and are not
interchangable.
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