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Author
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Topic: anyone know anything about changing computers
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phat50
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Member # 1998
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posted
 
 
i just swiched to a 93cobra computer mass air and 24lb injectors and now i have a perfect idle with the e303 cam but was wondering if its possible for timing to change when you change computers cause when i hit the gas it dont respond right away like it use to and should i have disconected the battery befor i changed them,i know that was dum but i forgot to disconect it but i dont think thats the problem.please help
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New toy coming soon!
Posts: 2860 | From: Richmond / Valley jo/ Petaluma | Registered: Oct 2002
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mtbaughs
Road Racer
Member # 4052
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posted
Well it would have been a good idea to disconnect the battery for the swap as you know. What computer did you replace? Each computer has different characteristics and different tables. Also did you add a MAP sensor to the new setup? Heres a link that details the swap that you might find useful. I'm not sure if this was a simple computer swap or a mass air conversion
http://www.stangnet.com/tech/maf/massairconversion.html
Good luck
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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phat50
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Member # 1998
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posted
well my car is a 90 and is mass air already,i just swiched my computer with the 93 cobra computer and i swiched my mass air to the cobra mass air and replaced my 19lb injectors with 24lb,i have a ajustable regulator what should my fuel presure be set at?
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New toy coming soon!
Posts: 2860 | From: Richmond / Valley jo/ Petaluma | Registered: Oct 2002
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mtbaughs
Road Racer
Member # 4052
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posted
I set it to 40psi vacuum off. Your car is a '90 right. Do you have a MAP sensor under the hood on the firewall? If I recall right it was only the later year mass air cars that had this sensor. If you installed a 93 cobra computer chances are this computer needs a signal from this sensor. It's been awhile since I've done this but thats what I recall.
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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phat50
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Member # 1998
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posted
my car is a 90 and i do have a map sensor on the fire wall.
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New toy coming soon!
Posts: 2860 | From: Richmond / Valley jo/ Petaluma | Registered: Oct 2002
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