Would anyone if 2.4l cam shafts from a 4g64 engine would a fit on a 1st gen 2.0l 4g63t head

The 4g64 only has one camshaft, so no that wouldn't work at all unless you know of a 2.4l twin cam 4g64.

The 4G64 absolutely did come with DOHC heads, but not in the Eclipse platform. The 2g Spyder GS was SOHC only.

EDIT: The Galant DOHC 4G64 intake cam is a different part number than any of the 1g intake cams, but I can't help beyond that. There is a decent chance that it would still physically fit and work. I'm completely unfamiliar with the 4G64, though.

The 4g64 DOHC cams are an upgrade from the 1g/2g, they are bolt on and they do fit,.

miguelmcv said:

The 4g64 DOHC cams are an upgrade from the 1g/2g, they are bolt on and they do fit,.

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How much of an improvement does it make?