Holley Systemax II are they any good?????
Are they as good as they say, (12.18@111.5) on a full weight 1990 Mustang.
Excessive Motorsports sells a Ported set for 600$ more and they say 11.70's with that. 400+ HP
I am also thinking about getting a Supercharger (9PSI) can I with a Holley Systemax II?
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1988 LX 5.0
Drivetrain: 2.73 Stock Gears, World Class T-5, Lakewood Bellhousing, Summit Adjustable Cluch Quadrant & Cable, Alumminum Driveshaft, Flaming River Manual Steering Rack
Suspension: MAC Control Arms,Maximum Motorsports Front Grip Package, H&R Sport Spings, Bilstein Shocks
Engine: Steal Mounts, Ram air, K&N, Under Drive Pulles
Exhaust: 1 5/8 Un-Equal Length Mac Headers, X-pipe W\cats, Edelbrock cat\back
Brakes: Maximum Motorsports Brake System Upgrade Package
Cooling: 3
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