RE: Engine size

[Thi VanAusdal <tvanausdal@xxxxxxxxxxxxx>]

> >> positive.  So, the 533i, 633CSi, and 733i had 3.2 liter engines, &
> the
> >> 535i, 635CSi, and 735i had 3.4 liter engines.  However, they were
> close
> >> enough to reality, so we'll let that go.  Or, I could be
> >> wrong.  Oh, and the 745i?  It was a turbocharged 3.5 liter.
> 
> >Yes, they were 3210 and 3430 cc, respectively.  The idea of the 745i
> >was that the turbo motor is taxed at 1.4x the displacement in some
> >countries, corresponding to the increase in power.  Thus 
> 3.5t >>"4.5".
> 
> Yes Thi, you're almost right, just a little bit off,
> When the '745' was introduced the enginesize was 3210cc(* 1.4 = 4.5)
> but soon the engine was swapped for the 3430cc(* 1.4 = 4.8!) BMW did
> not rename the car, they stuck to 745. If you look up the official
> racing
> rules you will see that turbo-engines are now rated at 1.7 times the
> non-aspirated
> engines. So... now the 745, which really is a 748 should be a 
> 758!!!!!!!

Criminy, it's 1.7 now?  A result of better knock control?

That's what I get for being lazy.  I knew of the engine size change 
3.3->3.5 (as should Jan Nelson on the list here, lucky owner of two (2)
copies of said model) but didn't list it.  Boo for me.

 - Thi vanAusdal, ja ein Deutscher/Hollander

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