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If there's one company that knows a thing or two about tuning GM's products, it's Lingenfelter. The Indiana-based tuning firm has just announced its latest package for the Cadillac CTS-V series, which covers the sedan, station wagon and coupe models. In stock form, the CTS-V's 6.2-liter supercharged V8 churns out 556HP and 551 lb.-ft of torque.

Lingenfelter's engine tune includes a variety of mods such as ported LSA cylinder heads and the addition of LPE's GT9 ZR1 supercharger camshaft, which help push the V8's output to more than 700-horses at the crankshaft. The long-time GM tuner also tried out a CTS-V Coupe with a manual transmission on the dyno, with the test yielding 623HP and 617 lf-ft at the rear wheels. Follow the jumps for a video and detailed info on the tuning package.

Lingenfelter Cadillac CTS-V Turnkey Package:

- Engine removal and removal of supercharger assembly, cylinder heads and camshaft

- Lingenfelter CNC porting & polishing of LSA cylinder heads for optimal flow

- 2.165" diameter hollow stem intake valves

- 1.59" diameter high temperature inconnel exhaust valves

- Lingenfelter multi-angle valve job, cc chambers, surfacing and spring height adjustment

- Competition Cams valve springs, titanium retainers, 10 degree locks

- Lingenfelter GT9 camshaft

- GM Head gaskets & head bolts

- 2.55" diameter steel supercharger drive pulley - powder coated black - 8 rib

- 8 rib serpentine belt

- Lingenfelter LS9 solid supercharger isolator coupling

- Port and polish supercharger front cover

- Lingenfelter air intake duct

- K & N Air Filter

- Lingenfelter 10% overdrive harmonic balancer

- 63 lbs/hour fuel injectors

- Fuel injector connector change

- 160 degree thermostat

- Professional installation

- Engine testing and expert ECM tuning

- Chassis dyno testing before and after installation

- Excellent drivability, highway mileage not adversely affected

- Lingenfelter certificate of authenticity

- Lingenfelter 2 year/24,000 mile warranty

Bo Zolland of Sweden's Viztech is at it again. This time, the talented designer has thrown together some spiffy computer generated photos of a vintage hot rod called the "33-34". If it were to become a reality, Bo Zolland says the two-seater hot rod would be powered by the Cadillac CTS-V's 6.2-liter supercharged V8 with 556 ponies. Check out the full photo gallery after the break.
Source: Viztech

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Yesterday we learned that the refreshed and more powerful 2011 Ford Mustang sold 10,225 units in May 2010 beating GM's Chevrolet Camaro by almost 1,300 units (8,931 sales monthly total).