CV Performance custom tuned the first HSV W427 LS7

The Limited edition Super Car by Holden Special Vehicle is powered by

GM Z06 427 LS7 Corvette engine from the USA.

Engine Specs:

• Aluminum block with 4.13' (104.8-mm) bores and pressed-in liners
• Forged steel crankshaft with 4' (101.6-mm) stroke
• 6-bolt, forged steel main bearing caps
• Titanium connecting rods
• Cast aluminum flat-top pistons
• CNC-ported aluminum cylinder heads with 70-cc chambers
• 2.20' (56mm) titanium intake valves
• 1.61' (41mm) sodium-filled exhaust valves
• 11.0:1 compression ratio
• Composite manifold with 90 mm single-bore throttle body
• Camshaft  210/230 .561/.558 120LSA   on 1.8 roller rocker
• Dry-sump oiling system
• 7000-rpm redline
• 500 HP

On The Dyno

The first run with the stock tune gave us 286  KW at the wheels

After tuning  the car made a fantastic 316 KW

30 KW gain in power was achieved

The car was a dream to drive and the owner was very happy with the  results !

  Then to Sydney Drags the W427 ran a

best of 12.5@118  with a soft 2.1sec sixty