Originally Posted by Kenneth S
In 2001 in the middle of the year the 2.5 duratec came out, so your engine should have the late 8 plug lima head, also the lima had one camshaft (sohc) in the head while the duratec has dual cams (dohc). The duratec has a aluminum block and head, while the lima is all cast iron.
wow! thanks for the info!
Ok, since we are on the topic of heads, is the flow rate on a twin-plug Lima head alright or is this a good item to get cleaned up?
Also, is that really expensive? I guess I should ask a machine shop that.