The Cobra/Explorer are the best stock match up E7 head. Used Cobra go for about $250 and Explorers can be found for about $150 - but get a 95-early 97 Explorer intake with the internal EGR if you have to keep smog stuff.
If you can't find those, I port the stock lower for $100 labor and ~$30 round trip shipping (or $150 outright with core refund) and will add ~15+HP to a stock engine. I have dynos, references, etc if your interested. click on the "pm" button under my reply and send me an e-mail for details.
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Tom (Torque) Moss
88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE).
http://www.fastlanecars.com/
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