the E is the biggest cam you can go with and still be emissions legal. also the Crane 2040 is identical to the E303, its just packaged diffrently for SVO. (crane makes it, ford just slaps their part number on it, same cam.)
ceapest? well your gonna have to do some hunting there but you can try www.brothersperformance.com www.jegs.com www.summit.com
start there, see what ya find.
__________________ 1995 Mustang GT 5.0
BBK CAI, Pro-M 75mm MAF, Pro-M Optimizer, BBK 70mm TB, GT-40 Intake, 24# Injectors, AFR 165's, 1.7 Roller rockers, Crane 2040 cam (E-303) BBK Equal Length headers, BBK O/R X-pipe, Flowmaster American Thunder 2 Chambers. FMS 3.73 Gears, Lentech AODE 2800 stall, BBK 255lph Fuel Pump, BBK Fuel Pressure Regulator. MSD 6AL, Steeda UDP's, FMS Aluminum drive shaft, Autologic chip Larocca tune. | 
camshaft 
