I would give Sean Hyland Motorsports a call. They seem to push the envelope the furthest with 4.6L power. They build a ton of race motors and beefed up 4.6's for exotic cars that use them.
Sean Hyland Motorsport
691 Jack Ross Ave
Woodstock, ON N4V 1B7
PH. (519)421-2291
FAX (519)421-0991
http://www.seanhylandmotorsport.com/index.html
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Strike down the unroadworthy!
2000 GT Atl. Blue: '03 Cobra motor - 465rwhp/473rwtq, T-56 6-speed, full MM TA/PH & tubular K-member suspension, Saleen body, 17" Torq-Thrust II's, M/T ET Street radials, and lots more
'94 Rio Red Cobra: All the bolt-ons, 3.73s
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