EFIDynoTuning Forum

There's an eec-v list on the eecanalyzer website. There also used to be a eec-iv and eec-v list on the internet but I cannot find it any more.

The strategy is essentially the program the ECU runs. It can be used on just a single type of vehicle or several dozen.

An eec-iv is perfectly fine for your application. The main issue is the finding DIY tuning hardware (now Moates have closed) and a definition to suit the strategy your ECU uses. For the latter it is best to find what strategies are supported and then select an ECU that uses one of those.

The different firing order of the VW and the Ford engines is not a problem, just rearrange the injectors and HT leads to suit.

Craig's 'Suckit' program is written for the 'Son-of-EECSucka' design which I am guessing (I have not seen the 'Son-of-EECSucka' design) is not the same as the Andrew March 'EECSucka' variants.

If you are looking to improve the design then something these basic parallel port ROM dumper designs don't seem to allow for is that the MBUS should be tri-stated whenever the DI is to be changed.

Your PLX3 read is corrupted.

Deselect the 'Show Compare Difference' button to the right of the 'Show Compare Bin Data' button (the scales icon).

bad86capri wrote: ↑2022 Dec 22, 12:01I think i found some of the corruption in the ZYA2 bin.

The difference you are seeing is because you are comparing the tables using the 'Show Compare Difference' option. If you use the 'Show Compare Bin Data' option on it's own you will see the values are not that much different.

The Ford memory chips are custom and use eight parallel bidirectional tri-state address/data lines (typically called the MBus) and three asynchronous output control signals to determine the direction of the transfer, the type of data transferred (address, instruction, or data) and timing of the transfer on the Mbus. These memory chips are not available for the public to buy and is why the J3 devices use programmable gate array devices to interface a standard ROM chip with the EEC.

It's a variation of the Bill Lawrance disassembler.

jsa wrote: ↑2022 Nov 01, 07:46 .... the ADC sub drops the 4 off the front of the channel number ....

Ford Australia missed a simple code improvement in their A to D routine where they have 4 in the high nibble;
e.g. instead of they could have used