FMS X or Z cam
 

Does anyone use the Z cam and like it? My combo is a 93 cobra with a 331 JE 10.5 pistons and edelbrock victor jr heads trying to decide between the X or the slightly bigger Z cam. One other question why does everyone bash the 93 EECV is it really that bad, what's wrong with it? THANKS GUYS

Well first of all with either cam you will need a rev limit extender or convert it to a carburated car. My friend had the x cam and it pulled to 7000 easy. He liked the x cam. I havent heard of anyone running the z cam yet.

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91 LX COUPE, 3.73 gears, 2 1/2 inch full exhaust, 1 5/8 shorty headers, 73 MM C&L MAF, 70 MM MAC TB, LUNATI cam, Windsor jr heads, GT 40 intake with ported lower, world class T5 with PRO 5.0 shifter, Griffin aluminum radiator, Fluid Damper, SSM traction bars, 150 HP shot N2O kit, 190 GPH in tank fuel pump with T-Rex external pump. And more to come.
BEST TIME ON BOTTLE---11.51 @123
BEST TIME ON MOTOR---12.63 @109

Yes, the Cobra computer is horrible. It stays in closed loop for 7 seconds of WOT application, it pulls the most timing of any computer between shifts, it has very weak air/fuel curves, and it's timing altogether is weak. The Cobra computer is the WORST computer you can get for a 5.0, probably any car ever.

My buddy has a 327ci with AFR 185 heads, X-cam and 1.6 rockers. He runs the stock EEC, and his car pulls harder than a mother! Without me tuning my car, he can keep up with it!

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1994 Mustang Cobra
308ci, Vortech S-trim 11#, ported GT-40 heads, E-303 cam, FMS 1 5/8 headers, BBK Offroad H-pipe, 2-chamber flows, and several other goodies.
Rebel Racing. Home of Bay Area Mustangs