Well, I have a FXGT AE101 with obviously a silvertop 4AGE in it and I was wondering what the numbers on the top of the ecu should be because well, long story cut short, Was driving along and all of a sudden lost power, had to pull over and get the AA (Gotta love em!) To tow a brother back home then arrange a towie (Free of charge - AA Gotta love em!) to tow me to a shop of my choice, I chose an auto sparkie even tho I dont know wtf is wrong with my car..
So I ring up to get some progress cos I'm worried about my baby and they said still doing tests but it could be the engine computer...
Questions:
Engine computer... There is only one computer aye?
What are the numbers on the top?
And pardon my ignorance but is my car a smallblock or a bigblock - I don't know the differance, oh and in the event my computer is poked.. anyone got one?

Cheers!
JOsh