Yea, buy a chip. You are either going to need to give a complete list of your mods to a chip vendor (like Lonnie) and have them mail a chip for a base tune then take it to a dyno for final adjustments or tune it yourself.
well the transmission will shift at whatever speed and/or RPM your stock EEC tells it to...that wont be a problem....what would be a problem is that your fuel and spark will be all messed up due to the completely different heads and their burn characteristics along with a completely different intake manifold......both of which are taken into account when calibration is done at the OEM level........there are tons of things that add-up and work together within the EEC to make cars idle and drive as smooth as they do when they are stock
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