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21st Century Tri-Power 507 HorsePower Engine - Pontiac Tech

21St Century Tri Power 507 Hp Engine Front View
With the engine not revving... 
   
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21St Century Tri Power 507 Hp Engine Front View
With the engine not revving past 4,000 rpm on the initial pulls, Bryan and Dave Weber pull off a valve cover to see if there's a valvetrain issue. It was later determined to be carburetion. The SixShooter system went back to Barry Grant for correction; the company refurbished it and sent it back.

HIGH PERFORMANCE PONTIAC ENGINE BUILDUP WORKSHEET
Engine Displacement 449 ci
Horsepower 507.6 at 5,700 rpm
Torque 528.3 at 4,400 rpm
Bore/Stroke 4.10x4.25-in
Block/Crank Combo '64 Pontiac blockwith Eagle cast crank
Bore/Stroke Ratio 0.9641
Rod/Stroke Ratio 1.61

BOTTOM END
Block Description '64, 78X GTOtwo-bolt main
Preparation Cleaned, derusted,degreased, bored 0.040-in,
CNC square deck, align-honed, deburred, installed new freeze plugsand cam bearings
Deck Height 10.222-in
Crank Eagle cast-steel, 4.25-in stroke
Balancer Replacement factory GM
Rods Eagle forged H-beam,6.800-in long
Bearings Federal Mogul
Pistons Wiseco custom-forged,16cc dish
Piston Compression Height 1.295-in
Piston-to-Deck Height -0-
Piston Pins Wiseco 0.990-in diameter
Piston Pins Retention Wiseco Spiraloxretainer clips
Rings Sealed Power plasma-moly 1/16,1/16, 3/16-inch, file-to-fit
Rod Bolts Eagle
Balancing Specs Internally balanced byWeber Racing Equipment

OILING SYSTEM
Windage Tray Milodon
Oil Pan Milodon
Oil Pump Sealed Power high volume

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Pontiac Solstice Research
Pontiac Solstice Get updated on all your car buying needs from safety features, to specs, to crash test ratings and options. Get all the information you need if you are interested in buying a new car like the Pontiac Solstice. The L4 standard engine in the Solstice gives you 173 horsepower with an estimated 22 mpg. It has a trade in value of $15,948.00 which should come in handy when you go to shop for your next car. The Pontiac Torrent and the Pontiac G6 are other vehicles that might interest you.

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21St Century Tri Power 507 Hp Engine Front View 21St Century Tri Power 507 Hp Engine Front View
21St Century Tri Power 507 Hp Engine Front View 21St Century Tri Power 507 Hp Engine Front View

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