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What my VW dealer told me about chipping.

2K views 39 replies 31 participants last post by  kyokoris 
Re: What my VW dealer told me about chipping. (2002GTIVR6)

I don't know all the details of chips, but i think i have a pretty good idea, at least for my engine (TDI). The chip doesn't change "everything". It primarily just changes the data maps for boost, fueling and timing. I don't know what your background is like, but I know a lot of the people around here work with computers and software... it's like keeping the code for your program the same, but just adjusting some of the data it uses slightly. The program itself is the same though for the most part... unless the tuner does something like remove/adjust the rev limiter or play with the lag/dampening for the drive-by-wire systems.
 
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