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Re: Dream on Alpina B10 BiTurbo (archive)

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Posted by Gerhard Pettersson on December 23, 1999 at 02:31:40:

In Reply to: Dream on posted by Luc on December 21, 1999 at 05:42:58:

Look at Alpina B10 BiTurbo

: The 745i turbo was a 3 liter engine with a turbo. In the old days when turbo's were THE thing you could have the power output of an engine that had a 50% larger capacity, hence the label 745i.
: The estimated power output of 400HP is completely unreal.
: A MODERN DAY (!) high output turbo engine will give you around 100-115HP per liter, resulting in something like 330HP.
: Is your friend a dreamer? How is he planning to get 400HP from an "old" engine? I'm really interested to found out where he will find the missing 70 (or more) horsepower.
: I designed and installed my own intercooled supercharger system in my 530i Touring (94)and I
: ended up with 345HP. I can assure you that it takes A LOT of tuning to get to this output once you passed the 300HP on a 3 liter engine.
: So don't throw around those wild-guess-numbers.
: Luc.

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