High Performance Pontiac Homepage High Performance Pontiac
Owner:   GTO505
Year: 1969
Make: Pontiac
Model: GTO
Est.Horsepower: 606
Page Views: 1220
Comments: 2 Comments
Ratings: 4 votes  
Overall:
Exterior:
Interior:
Performance:
Engine:
505ci IA II (iron block) pump-gas Pontiac engine built by Andy Mitchell
4.35” bore / 4.25” stroke
Dyno’d 606 hp @ 5,300rpm and 641 lb/ft of torque @ 4,600 rpm
Eagle crank 4.25” stroke with 3.25” mains
Manley 4340 forged steel H beam rods
Custom J.E. forged pistons
Total Seal rings
Clevite rod & main bearings, Dura bond cam bearings
Comp Cams nine key way billet timing set
Canton 6-qt road race oil pan
SCE and Fel-Pro gaskets
ARP fasteners used throughout
March aluminum pulleys

Cooling:
4 core radiator
FlowKooler water pump
Perma-Cool High Performance Stainless Steel flex fan
Stock shroud

Camshaft:
Comp Cams hydraulic roller cam
Duration @ .050: 252 intake / 262 exhaust
Lift: .600 intake / .630” exhaust
Lobe separation: 110 degreed at 106.25
Comp Cams hydraulic roller lifters

Heads/Intake/Carb/Valvetrain:
Edelbrock 60589 aluminum Pontiac Performer RPM heads (fully ported)
Flow numbers: 312 cfm @ .600 lift / 225 cfm @ .600 lift
Combustion chamber: 72cc
Intake valves: Manley Race Series stainless 2.11”
Exhaust valves: Manley Race Series stainless 1.66”
Valve springs: Comp Cams 1.55” dual springs
Pushrods: Manley 5/15” 4130 Chrome Moly
Rocker arms: PRW aluminum roller rockers 1.5 ratio
Intake manifold: Edelbrock Victor fully ported
Carburetor: Pro-Systems 1100 cfm Dominator set up for the street

Ignition/Alternator/Battery:
Mallory HyFire 6 digital ignition
MSD Pro-Billet distributor
MSD Blaster II high vibration coil
Taylor Thundervolt 50 10.4mm plug wires
Powermaster 140 amp alternator
Optima battery

Fuel System:
Original gas tank with rear sump
Edelbrock Quiet-Flo electric 160 GPH fuel pump
Quick Fuel billet fuel pressure regulator -8AN
2 RobbMC high flow fuel filters
-8AN braided steel line from tank to pump to regulator
-6AN braided steel line from regulator to carb

Exhaust system:
Doug’s 1 7/8” primaries / 3 ½” collectors ceramic coated round port headers
3” mandrel bent Flowmaster with H-pipe
Flowmaster 3” Super 44 2-chamber mufflers
Pypes stainless splitter tips

Suspension/Steering:
Air Ride Technologies GM A Body RidePro Max e2 system w/remote
Tubular upper & lower front control arms with ShockWaves shocks
Tubular upper & lower rear control arms with airsprings and standard shocks
Poly bushings throughout
Hardened stainless steel bolts
1 1/4” front sway bar / 1” rear sway bar
Boxed & powder coated frame
Quick ratio steering box
Moog inner and outer tie rod ends with Edelbrock heavy duty tie rod sleeves
Grant steering wheel

Drivetrain:
Turbo 400 transmission (rebuilt heavy duty) backed by a Gear Vendors Under/Over Drive
Redneck 3,000 stall torque converter
Stainless tranny lines
GM 12-bolt rear with Yukon/Eaton Duragrip posi, 3.73 gears, 33 spline axles,
TA aluminum girdle cover, c-clip eliminators, & welded axle tubes

Brakes:
Front: Baer Track System with 13” cross-drilled & slotted rotors & 2-Piston aluminum calipers
Rear: Baer Serious Street System with 11” cross-drilled & slotted rotors & 2-Piston calipers
Stainless brakes lines front to back

Paint/Body:
DeBeer black base with House of Kolor clear
Shaved drip rails
Smoothed firewall
Raptor bedliner sprayed underneath entire body and wheel wells
Stainless bolts used throughout entire car
Paint & body work by Hippy’s Body Shop in Pandora, Ohio

Wheels/Tires:
18” Foose Nitrous Classics with Nitto Extreme NT555 tires
Fronts: 18x8.5 (4.5” B/S) with 235/40’s
Rears: 18x10 (5.25” B/S) with 285/40’s

Interior:
Original stock looking black interior
Custom brushed aluminum inserts in the dash and console
Southern Air heating and air conditioning system
Classic Instruments gauges
Wiring from American Autowire (Highway 22 kit)
Pioneer 200W CD player, Boss Audio 200W amp, Pioneer 6.5” kick panel speakers, Triple X
600W 6x9 rear speakers
ThermalSound Direct Q-Mat sound proofing used throughout the interior

Other Options:
7-speed delay wipers
Electric hideaway headlights

Sanderson
Sanderson | New User
Posts: 4 | Joined 08/19/08
Posted: 09/08/08 06:46 PM

Really great looking car. You really did a nice job on this. Plus the painted rear bumper was a really nice touch too.
mdmBOP
mdmBOP | New User
Posts: 25 | Joined 03/20/08
Posted: 08/22/08 07:51 AM

*** man, you threw the whole book at this thing!
With great results I might add. Great looking car.
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