Anyone recognise this ECU

[Sagi Badger]

As title, who knows what this ECU is?

I will not be there until the weekend and wanted to get some info ahead of taking it apart in an attempt to identify.

Thanks in advance

[e21jason]

Looks like an old weber Alpha ECU, pretty much obsolete these days and was only dealer tunable when new unless you paid more than the ECU for the interface

[Mr.Grooler]

It looks the same as one I had in a Cosworth YB engined car (an Alpha one as mentioned above?), there were plenty of tuning chips available and must be a load of tuning companies though I didn’t ever have any diagnostic software. Does the car have a Cossie engine?

[Chris-S]

If it is a Weber Alpha, I'm pretty certain there isn't anyone left in the UK who can do anything with it......other than replace it.

Loads of folk on the Westfield forum swapping them out for modern alternatives.

Going back quite a few years I put an Emerald onto a race car that had an Alpha. Back then, at least Weber could & would tune them...but for a significant fee, and this particular one was old so they'd only entertain replacing it first, and, of course, even after that, the thing was locked so only dealers could get at it.

Pretty dumb business model really.

[denisb]

Weber Alpha...unless it is the Cossie ECU it was kind of based on.

As other have said, these were generally programmed by a "Webcon" dealer, such as Aldon Automotive.

Contrary to what others have said, you CAN program them yourself. I used to.

All you need is a computer, a bunch of (E)PROMs, an UV Eprom eraser, an EPROM pogrammer and, to make life easier, a promulator. Plus the map locations.

Trust me, it isn't worth the effort. The cheapest off the shelf ECU nowadays is better. The only real use of it is for a base map...or to hide something produced this century inside!

If you are really lucky you might have the one with built in ignitors.

If ever get really bored, below are the locations of the main maps -

Map details

Fuel enrichment V Air temp 0130 013f
Ignition V Air temp 0140 014f
Injector voltage correction 01a0 01af
Fuel map throttle 0330 033f
Fuel map RPM 0340 034f
Fuel map 0350 044f Along is RPM, down is throttle
Ignition map throttle 0450 045f
Ignition map RPM 0460 046f
Ignition map 0470 0560 Along is RPM, down is throttle
Cranking map temp 0570 057f
Cranking map turns 0580 058f
Cranking map 0590 068f Along is RPM, down is throttle