911 Carrera Motronic

[Todd Knighton]

DECOUX wrote:
> 
> Hi Todd,
> Thank you for your answer.
> 
> You wrote:
> 
> $A1900,
> 32 32 32 32 3E 0C 02 01 08 08 08 08 15 1B 0D 19
> 0C 6A 4F 0C 05 07 06 06 07 0D 0D 0C 0D 1A 1A 5F
> 25 25 25 25 25 25 25 25 20 1A 1A 1A 1D 1D 1D 23
> 2B 2E 25 1D 16 12 12 12 19 19 19 19 1C 1E 21 1D
> 16 12 12 12 19 19 19 1A 1D 20 23 24 1C 1B 1B 1B
> 19 1B 1C 1E 21 25 2A 27 23 21 21 21 1B 1B 1F 22
> 25 2A 2C 2A 25 21 25 25 38 3C 43 43 43 43 2F 2B
> 28 24 2A 2C 38 3C 45 45 45 45 38 31 2F 2F 31 36
> 
> As you can see, address #1951 corresponds to the value 1B
> which has been changed to 19 in the Starchip EPROM.
> This EPROM is supposed to improve (??!) a bit the engine
> performance, so I suppose this value is relative to
> an ignition advance increase at WOT.
> 
> Please, could you give me just an info: how many load
> and RPM sites are used for ignition/injection mapping?

	The 1B to 19 change is occurring right in the heart of the part
throttle ignition map.  Strange they'd say that one number in the midst
of 144 in the part throttle range would give you better performance.
	The part throttle fuel/ignition maps are arranged in 12x12 maps. 


Todd Knighton
Protomotive Engineering