Delco E78 original ECU files

Vehicles with a Delco E78

Delco E78 files are listed for 4 makes and 20 models, the most listed first.

How to identify your Delco E78 file

How the numbers on this ECU type start:

• HW 12647… 70 of the 91 files with a HW number, 77%
• SW 1265… 35 of the 105 files with a SW number, 33%
• SW 1266… 28 of the 105 files with a SW number, 27%
• SW 1264… 16 of the 105 files with a SW number, 15%

A HW number alone does not pick the file: 12647136 carries 22 SW versions here. Compare both numbers with your read.

Where do I find these numbers?

Delco E78 map packs in figures

21 packs, 22 to 379 maps each, median 344.

Named by the most packs: Injection enrichment 100%, Maximum torque for third gear 100%, Maximum torque for forth gear 100%, RPM Limiter 100%, Maximum torque for fifth gear 100%, Limiter of Maximum torque 100%, Spark Advance correction f(ECT) 100%, Maximum torque for first gear 100%.

All Delco E78 HW and SW numbers

14 HW numbers and 45 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.