SPEC SHEET
Car: 1964 Chevrolet Corvette C2ZR1
Owner: J.W. Lorett, Tulsa, Oklahoma
Built By: Heartland Customs, Purcell,
Oklahoma
www.Heartlandcustoms.us
Block: GM Power train LS9, cast
aluminum (polished block), with cast
iron cylinder liners and six-bolt main
bearing caps
Displacement: 376 cubic inches (6.2
liters)
Compression Ratio: 9.1:1
Power Adder: Production LS9 Eaton
Roots-type supercharger, 10 � pounds
boost (max), with integral
liquid-to-air intercooler
Heads: Production LS9, "rotocast"
A356T6 aluminum alloy (Polished)
Valves: Production LS9: (Intake)
Titanium, 2.16 inches diameter;
(Exhaust) Hollow stem, sodium-filled,
1.59 inches diameter
Camshaft: Production LS9 roller
rocker, .555-inch lift
Rocker Arms: Production LS9
Pistons: Production LS9, forged
aluminum
Crankshaft: Production LS9, forged
steel
Rods: Production LS9, forged titanium
Intake: Production LS9 (integral with
supercharger case) (Polished)
Fuel Injection: Production LS9 with 48
lb./hr injectors
Fuel Supply: Custom built Stealth Sump
System with electric pump
Oiling: Production LS9, dry-sump,
custom built oil tank
Ignition: Production LS9
crankshaft-triggered coil-on-plug

Exhaust System: Custom-fabricated with
LS9 manifolds (JetHot-coated), Borla
mufflers, electronic cut-outs and 2
�-inch tubing, custom exhaust tip
Transmission: Tremec T56 "Godzilla"
6-speed manual, with polished case
Clutch: McLeod dual-disc
Driveshaft: Custom-fabricated polished
aluminum, 3 � inch diameter
Suspension: Production C6 ZR1
Corvette, with QA1 coilovers and
1-inch front/rear sway bars
(Everything smoothed and chromed)
Rear End: Heavy Duty Dana 44 with 3.55
rear gears, custom machined housing
(chromed)
Brakes: Production 2011 Corvette ZR1
with 6-piston Brembo calipers, 15-inch
front and 14-inch rear carbon ceramic
rotors
Wheels: Chrome C6 Corvette ZR1, 19 x
10 inches front, 20 x 12 inches rear
Tires: Nitto "Invo," 285/35ZR19 front,
345/25ZR20 rear
