There isn't really.
ClubGP is the only other site and even they focus on the '97+. They have one subforum for older gens, with just a few guys. Your better off hitting 60degreev6.com and talking to guys sporting the same DOHC 3.4 engine as you have.
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'13 Mustang 3.7V6 - MT82
'00 GP SE (L67 Swap, XP, Headers, 3.25")
'98 GTP, '01 Bonne