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05-16-2003, 07:24 PM
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#24 |
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Got big-block?
 
Join Date: Jul 2000
Location: Austin, Texas
Posts: 2,453
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They are not a "competely new design" engine. They're just stroked Vortec 454's , GEN6. Take a 454, throw in a 4.25 stroke crank, bore it .060 over, and presto - 496 or 8.1L.
You could build a sweet ZZ496 with one of these I would think. Here's the specs: GM 8.1L Gasoline Engine type: V-8, cast-iron block and heads Bore x stroke, in: 4.25 x 4.37 Displacement, ci/L: 496/8.1 Compression ratio: 9.1:1 Valve gear: 2 valves/cyl, OHV Fuel induction: Sequential multiport Horsepower, hp @ rpm: 340 @ 4200 Torque, lb-ft @ rpm: 455 @ 3200 Recommended fuel: Unleaded regular Max GCWR, lb: 22,000 Max towing capacity, lb: 15,800 Option price: $850
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'68 CST SWB factory 396/T400 buddy buckets, a/c, ps, pb '72 Corvette convertible 454/4spd/ac, ps, pb '73 GMC Sierra Grande short wide 454/T400 ps, pb, ac '77 K5 Blazer black on red, 350/T350/NP205 ps, pb, ac all original '78 GMC Sierra Classic short wide 454/T400 ps, pb, ac '72 GMC Sprint SP454. 1 of 38 built. '73 GMC Sprint SP454. 1 of 71 built. '75 GMC Sprint SP454. 1 of 25 built. SOLD! '72 GMC K25 4x4 468/4L80e/NP205 build thread http://67-72chevytrucks.com/vboard/s...23#post4324423 SOLD!'55 Chevy gasser 496/4spd build thread http://67-72chevytrucks.com/vboard/s...96#post4324396 |
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