Butler Iron Works 74 Dodge Charger

Butler Iron Works ‘74 Dodge Charger

Builder/Owner/Driver: Sean Butler

Engine- ’76 MoPar 440 Bored 0.030” over, and stroked to 505 (Stroke increased from 3.75” to 4.25”). 440 Source rotating assembly. KB 17cc dish pistons. 9.3:1 Compression ratio. 440 Source “Stealth” aluminum heads. PRW roller rockers. Lunati 60303 Cam. Comp Cams Pro Series pushrods. 440 Source windage tray, main girdle and 7qt pan. Melling HV pump pushing through dual remote Fram HP1’s. B.I.W. Oil Pan skid plate.

Intake- Supercharger-USA 671 overdriven 5%. 8lb boost pressure. 13.73:1 effective compression ratio. Primary Carb (Rear) Edelbrock 800cfm Performer, Secondary Carb (Front) Carter 600cfm AFB. B.I.W. progressive throttle linkage. A.I.S. Alcohol injection (20% methanol, 80% water) to control detonation, pressure switch controlled to come in at 1# of boost.

Ignition– Mallory 49275 driving a MSD Blaster coil. B.I.W. recurved MoPar dizzy, with active vacuum advance. Taylor Cable 8.8mm green plug wires.

Exhaust- Hedman headers 1-7/8” primary to 3” collector, 2.5” dual to the rear, FloPro Mufflers, no cutouts.

Trans– C.R.T. built MoPar ProRace 727. PTC 9.5” 3800 rpm stall convertor. CRT Reverse Manual valve body. B&M Magnum Grip Pro Stick Shifter.

Suspension- Rear- B.I.W. trax-bars, Strange 60 rear, Detroit Locker w/ 3.73’s. MoPar Super Stock leaf springs, Bilstein 3 position rear drag shocks. Front- Prothane suspension bushings, SUMMIT front drag shocks.

Body Mods- B.I.W. Subframe connectors and B.I.W. K-member mounts.

Interior- Mostly stock except for Dolphin gauges, B.I.W. shift light, Jensen HD Radio, Alpine speakers, Racing buckets and 4 point front belts.

This winter’s Mods- B.I.W. 8 point cage (so I can legally break 12 seconds)