like i mentioned on NECO, my only real concern would be different cam lobes for primary vs secondary valves, whereas the 3.0 has a common port in which the primary and secondary valves work in perfect sync...
2000 Cougar V6 MTX
2001 3.0L Swap w/ PnP Heads - It ran, it boomed, it RUNS AGAIN

Nearly all suspension mods
Big ass stereo
...and more...
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