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What will happen if I retain stock chip after I install K04 in my TT 180?

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Old 06-28-2002, 05:04 AM
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What will happen if I retain stock chip after I install K04 in my TT 180?
Old 06-28-2002, 07:24 AM
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You will gain 10-15 hp but abt. the same in the higher revs due to boost levelling off.
Old 06-28-2002, 11:22 AM
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Default Might run a little lean

The car will still run the stock boost of 11-12 PSI, The ECU will try to compensate fuel as much as it can for the extra CFM. It might run a little lean, you can compensate by using a 4 Bar fuel regulator
Old 06-29-2002, 03:45 AM
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Default Is it possible to recode the ECU to a 225TT?

Not sure, but I know you can recode an A4 to an A6 and the timing map is a little different.

Anyone know for sure or are there other differences like injectors and such?

Mike O.
Old 06-29-2002, 05:23 PM
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the boost senor input into the ECU is not the same so it runs default 5PSI
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