Did you see that 4.6l cobra engine on ebay with 55hrs of port work. Said it made 400+ hp at only 4000 something rpm and it was made to rev to 10,000.
Sky
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-1989 Saleen Mustang #406- TFS Heads, E-303, edelbrock intake,70MM TB, 73mm MAF, off road H, 2 1/4" exhaust, and 4.10's.
332RWHP@5500
351RWTQ@3750
Runs on 87 Octane!