Quote:
Originally Posted by myillwillinc
the only parts i changed for both my 5.4 swaps was the oil pan, oil filter adapter, adapter plates for the intake.and i got a cowl hood. nothing else. the old 5.4 ran rich because i never had it tuned. this one i'm working on will have a tune on it when i get done changing parts around.
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So the stocK 4.6 wireing harness can be used? Or do you need to use the 5.4 one