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Re: Chips

At 00:25 22.06.98 -0700, Jeremiah Curry wrote:

>Perhaps I am ignorant but all this talk about chip upgrades has me confused.
>What do the chips control.  Turbo?  

On turbo models it controls boost pressure, ignition and, partially,
mixture. Most chips for turbo cars raise the boost pressure and
(eventually) remap the ignition, majority of power increase coming from the
increased boost, though. 

>Would I be able to get one for my '84 Coupe GT?  

I don't think so. According to Eric Fluhr's excellent web page, '84 CGTs
have either WE engine with K-Jetronic injection or KX with KE-Jetronic. If
you have the WE, there's no chip available cause there's no computer on
your car (not counting a tiny electronic ignition module). If it is a KX,
then IA lists a chip for non-turbo 10V engines claiming 10% power increase,
but it states that the chip is for 130hp engines, so I think they mean
NF/NG with KE II-Jetronic (aka CIS-IIIE) system here. Even if there were a
chip available for your car, I don't really think it's worth it. There's
not much you can do with a chip on a non-turbo car. I believe you would get
more gains by starting with intake/exhaust mods. Also Huw Powell has
detailed description of advancing the timing on the WE (don't know if it
would work on KX), which seems like a good trick to squeeze some more power
out of the engine. See http://www.thebook.com/human-speakers/audi-timing.htm

>Thanks for any help.  Also is there any way to upgrade to turbo
>without switching engines?.

It is possible, but it is definitely not feasible. Think about all the
things that need to be replaced: manifolds, downpipe, valves, fuel distrib,
pistons, camshaft... it is really much easier and cheaper, too (as you can
regain some money by selling your old engine) to swap the whole engine.
Martin Pajak's has installed '83 turbo engine in his '82 CGT, so you may
want to see his car at http://www.geocities.com/MotorCity/5939/coupe.html

Aleksander Mierzwa
Warsaw, Poland
87 Audi 5000CS turbo (mine)
88 Renault Medallion wagon (mom's)
91 mountain bike (just in case both cars broke at the same time :-)