My DIY EFI

[Todd Knighton]

John,
	Bosch uses a similar setup, though 8051's are more popular.  Later
stuff is Siemens 80C515 stuff.  Possibly some of the code and layouts of
their computers might get you on your way.

Todd Knighton
Protomotive Engineering


DJohn77284 at aol.com wrote:
> 
> Just a quick note on my DIY EFI project.
> 
> Based around an 80c32, programmed via Keil C. To control both ignition and
> fuelling via TPS v RPM lookup tables stored in EEPROM, modified by coolant
> temp, air temp and battery voltage. Analogue inputs are via an LTC1090 which
> is a serial 8-channel 10-bits ADC. For the outputs at the moment I'm thinking
> of using MC3334s for the ignition and an MC33298 for the injection. Does
> anyone have any views on these chips or experience on equivalents?
> 
> Progress is slow at the moment as I'm learning to program in C - this
> pointers business gets confusing sometimes.... The situation at present is
> that I have a working mother board to which I intend to add an expansion
> board with the necessay signal conditioning for the inputs and the output
> drivers for the ignition and injection. I'd also like to add serial
> communications to a PC to enable updating of the lookup tables but this is
> not a priority at the moment.
> 
> The end application at the moment is a Rover V8 which has no mods on it at
> all. The main aim of this project being to improve drivability and economy
> with hopefully a bit more power through more accurate setup.
> 
> If anyone has any advice, comments or whatever, they will be gratefully
> appriciated.
> 
> Regards,
> 
> Dave Johnson