Audi S4 (B5) - 2000 or 2001 ???

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11-28-2007, 05:37 PM

caothangbui

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Audi S4 (B5) - 2000 or 2001 ???

Hi everyone! I am planning to do an engine swap for my A4 to the S4 engine 2.7T bi-turbo V6. I know that its cheaper to buy the Audi S4 itself but the point of me doing the engine swap is for cheaper insurance, to make my car a sleeper and i don't mind the money and time i will put in the swap. So if anyone knows, i am just wondering which year 2.7T bi-turbo V6 engine is the Best selection in terms of power and quality for the B5 model. If anyone can tell me the year and why, i would really appreciate it.
Thank you so much.

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11-29-2007, 07:37 AM

Vier GlÃ¼hende Ringe

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2001 or 2002 (only a hadful) are better because...

The 2000 has a Bosch MAF sensor that is prone to falure. It has to be upgraded to a Hitachi if you want to go stage 3 (KO4's) at some point. Also I believe the ECM is different, probably Audi resolving minor issues. Also it is good to try to avoid the first year of any vehicle if you can.

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11-29-2007, 03:25 PM

quickaudi:STFA

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maybe; a 2000 can be re-wired with a Hitachi MAF.

yes, the ECM is different, which will probably give him all sorts of errors in ABS stuff, A/C stuff, etc.

2000 engines had the smaller turbo oil lines, but if you're going to be pulling the engine anyway...

2000 and 2001 also had the f-hose, which is a pita. 2001.5 and 2002 did away with that.