[A4] A4 Digest, Vol 36, Issue 17

Richard Hurt rnhurt at gmail.com
Thu Oct 26 12:50:48 EDT 2006

Do carbon-fiber hoods really make that much difference?  I would never have


On 10/26/06, Greg Megara <megara at mac.com> wrote:
> I don't have any experience with high altitude turbo engines, but I
> thought
> this might be helpful: Turbo-prop aircraft generally "turbo-normalize"
> their
> engines, meaning that the boost allows the engine to operate as it would
> at
> sea level; there is no overboosting. If you were to use a boost controller
> (I found someone who installed one in an s4:
> http://home.pacbell.net/gj_os/evcinstl.html) you may be able to do the
> same
> thing on a ko4 1.8t engine in order to minimize lag. Cars usually idle
> with
> the wastegate full open, being able to keep it slightly closed to
> normalize
> the engine to sea-level conditions sounds like it would minimize turbo lag
> to me.
> Does that sound right to anyone?
> I have a ko4 1.8t and it's balls to the wall fun. Get a good clutch to go
> with it so you can dump on it, and you'll be in the low 6's for 0-60. I
> also
> recommend a carbon-fiber hood---it reduces weight on the nose of the car
> and
> taking corners feels more balanced with less understeer.
> cheers--
> Greg
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