I'd go ahead and get a bigger TB...65 should do great, but I'd go with a BBK, cause I had a ford 65, and it broke, but it may have been the operator
. The Cobra should do great, they will support up to 400 hp, and will match your heads great. Good luck
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Dustin
1990 Saleen GTSport #14
TFS Street Heat Upper & Lower(Black), TFS TW heads, TFS 3/8" Phenolic Spacer, E303 Cam, FMS 1.6 Roller Rockers, BBK 70mm TB, FMS 70mm MAF, MAC 1 5/8" Equals, Dynomax Super Turbo 2 1/2" cat back, Bassani 2 1/2" Off-Road X-Pipe, MSD 6AL Ignition w/ MSD TFI Coil, Home made Ram Air, Racecraft Suspension
60ft: 2.158
330ft: 5.396
660ft: 8.271 @ 91.43