http://auto-specs.zercustoms.com The RSS feed of the latest 10 WCC specifications at Auto Specifications en http://auto-specs.zercustoms.com/w/wcc/2006-wcc-hhr-specifications.html 2006 WCC HHR Specifications - Specs engine Ecotec 2.4L position Front displacement 2384 cc / 145.5 cu in compression 10.5:1 power 126.8 kw / 170 bhp @ 6000 rpm hp per litre 71.31 bhp per litre to