By The Numbers
'70 DODGE CHALLENGER
Jeremy Gerber • Mundelein, IL
ENGINE
Type: Chrysler 528ci Hemi
Block: Indy Cylinder Head aluminum
bored to 4.500 inches
Oiling: custom Indy dry sump with Moroso pan
Rotating assembly: Eagle 4.150-inch steel crank
and 6.860-inch rods;
Wiseco 10.25:1 pistons
Cylinder heads: Indy 285cc aluminum castings
with 2.25/1.94-inch valves
CNC-ported to flow 440 cfm
Camshaft: COMP 248/254-at-.050
mechanical roller;
.604/.591-inch lift;
110-degree LSA
Valvetrain: COMP lifters and timing set;
Indy 1.6:1 shaft-mount rockers,
Induction: Indy 426-2 single-plane
intake manifold,
Barry Grant 850cfm carburetor
Ignition: MSD billet distributor,
6AL ignition box, coil,
and plug wires
Fuel system: Rock Valley Tank, Aeromotive pump
Exhaust: custom 21/8-inch long-tube headers
and 4-inch X-pipe;
dual 3-inch Flowmaster mufflers
Cooling: Edelbrock water pump,
AutoRad radiator
Output: 730 hp at 6,600 rpm
and 660 lb-ft at 4,800 rpm
Built by: Indy Cylinder Head (Indianapolis, IN)
DRIVETRAIN
Transmission: Tremec TKO 600 five-speed,
Centerforce clutch
Rear axle: Heidts independent rear suspension
with Ford 9-inch centersection,
3.90:1 gears, and aluminum halfshafts
CHASSIS
Front suspension: custom tubular K-member
and control arms; QA1 coilovers
Rear suspension: Heidts IRS assembly
and tubular control arms;
QA1 coilovers
Brakes: Baer 12-inch discs with
six-piston calipers front and rear
WHEELS & TIRES
Wheels: Budnik Gasser
19x9 (6-inch backspace), front;
22x12 (6.5-inch backspace), rear
Tires: Pirelli P-Zero
255/30R19, front;
335/25R22, rear