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Discussion Starter #1
I looked thru alot of the previous threads to see if this question had been asked. The questions is>> if I put a 351 in place of my 302 do I have to change out the brain box as well?

Thanks
 

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aka: kemicalburns
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yes, you should. finding the correct ecu should be easy and cheap. try fireguy for one. not sure which tranny you have
 

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The Anti Yam!
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broncobuster said:
If I put a 351 in place of my 302 do I have to change out the brain box as well?
What is a brain box?

I dont know anything about Brain Boxes, but you will need to swap out the computer.

Here is a list of EEC calibration codes.
http://fordfuelinjection.com/?p=17

What transmision do you have?
(your garage says A4OD, do you mean E4OD or AOD or C-6 or is it a manual)
 

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Discussion Starter #5
brain box

Thats redneck shade tree/12 pack mechanic lingo:drinkbud

ECU = Brain box

Super Swampers = Side diggers

exhaust that come out behind the cab = Dog legs

these are just a few.:toothless
 
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