[Biturbos4] Manual swap

Michael Kuriger michael at isuzu-mods.com
Thu Feb 26 16:12:00 EST 2004

Sounds like a fun project.  But I may just sell mine and get an S4 with 
the 6 speed in it since  mine isn't customized at all yet.  It has brand 
new turbos from the dealer and a new dash cluster but the only real 
"mod" is my AWE twin 2 exhaust.


Keman wrote:

>I know of at least one tuning shop that's done it, as well as stuffed a
>manual behind an S6's V8. The latter was some... $30k of custom work. New,
>the 6-speed trans itself is $12,000. I am not kidding. Your automatic is
>If you're serious about this, line up a person who wants to do the opposite.
>Find someone of the same year who is tired of rowing his own gears in
>traffic and wants to install an automatic.
>Then, you just yank the engine/trans combination and do a direct swap,
>swapping ECM's at the same time. Remove the trannys when the engines are out
>of the car.
>Since no money is spent yet, now might be a time to have those turbos
>checked out. Bring them to a turbo rebuilder. Think diesel engine/turbo
>specialists. They're very skilled in this area and can rebalance the wheels
>to perfection. It's real easy to do this with the engine/trans sitting on
>the ground.
>Then you just start swapping parts. Take the other guys center console,
>pedal assembly, wiring harness bits and pieces, and his secondary air
>injection system. The latter will need to be retrofitted onto your engine,
>the airpump is in the passenger front fender. Manual trans S4's don't have
>secondary air injection. You can recode your instrument cluster to look for
>an automatic and display it's gear selection.
>It won't be easy. But it could be done and has been done. Good luck!
>- Keman
>>My 2001.5 S4 avant has a tip tranny, and I was wondering if anyone has
>>ever swapped in a 6 speed - or if it's even something that is possible.
>>If so, where could I find a used 6 speed?
>>Mike Kuriger

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