M Power

[Bruce]

And Honda ran fuel temps of what was it? 145dF.
Bruce


----- Original Message -----
From: <Scott_Hay at toyota.com>
To: <diy_efi at diy-efi.org>
Sent: Thursday, September 27, 2001 2:45 PM
Subject: Re: M Power


>
> Paul,
>
> I remember reading about the BMW fuel some years ago.  One of the most
> interesting things I recall was a very high specific gravity.  If memory
> serves it was greater than 1.000.  It was because of this that a spec fuel
> was mandated.
>
> Scott
>
>     The BMW turbo was an amazing motor, the highest specific output engine
> used in GP racing.  It was an inline 4 production block, with the same
> sized
> main and rod bearings, but the 4 valve head was based on the F2 racing
> motor.
>  The maximum boost pressure used was 5.6 bar (absolute), the dyno ran out
> at
> 1400 hp, and the estimated hp was 1420-1450  (950 hp/lt).  The injection
> system was Kugelfisher mechanical, with a digitally controlled steeper
> motor
> on the pump cam, and cold water spraying on the intercooler.  It was less
> sophisticated than the Honda RA-167E, with it's EFI and thermostatically
> controlled intake air and fuel temperatures, but the Honda never produced
> more than 1100 hp.  Apparently, the secret to the BMW's high output was
the
> fuel.  The designer, Paul Rosche, confirmed it was a BASF formula created
> for
> high boost Luftwaffe fighters in WWII.  I don't know what was in it, but
> Honda reported they ran their engines on 84 % toulene to allow 35 degree
> BTDC
> ignition timing at 2.5 bar boost during a race.  I saw (and smelled) the
> BMW
> race several times in the early 1980's and it clearly had a power
advantage
> when it wasn't on fire.
>
> Paul Saltwick
>
>
> --------------------------------------------------------------------------
--
> To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the
quotes)
> in the body of a message (not the subject) to majordomo at lists.diy-efi.org
>
>

----------------------------------------------------------------------------
To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org