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Discussion Starter #1
can someone explain in simple terms what a performance E-Prom is? and what it does?
 

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that depends on whose it is more than enything else
 

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Your ECU had HUNDREDS of chips in it. One of them is the one with the fuelling maps, timing etc etc yadda yadda stored in it.

A 'Performance EPROM' is essentially a replcement ROM with different info on it, supposedly gaining you performance.

As RObopope says, depends whose it is.
 

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Discussion Starter #4
thanks. that confirms it is a chip added to the ECU. it was done by middlehurst and the paperwork says 280bhp to 360bhp
 

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Discussion Starter #6
nope thats all thats been done, but in time that will change i hope...I take it that the next mods should be induction kit and exhaust.
 
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