A warning first, before the details of the new LS427: the Chevrolet Performance catalogue is a time wasting tool par excellence. If you're required to undertake anything vital today, best not look. Because all too soon you'll be weighing up LSA v. LT4, whether your con-rods need to be forged or not and building the imaginary project car of your dreams. Don't say you weren't warned...
Anyway, the LS427. Essentially, it's the awe-inspiring 7.0-litre LS7 V8 - as seen in the last Camaro Z/28, as well as previous Z06 Corvettes - as a crate engine. And, crucially, a better engine. Not only has a new high-lift cam liberated more power - 570hp and 540lb ft are an improvement of 65hp and 70lb ft over standard, so there must be more than just a cam - it's also now wet-sumped, making it easier for DIY installs. Without the need to install separate oil lines, an oil tank and all the other bits and bobs associated with a dry sump engine, the road to 570hp of Detroit muscle should be simpler than ever.
Otherwise, it's the LS7 we've come to know and love, with a forged steel crank, titanium rods, titanium intake valves and CNC-ported heads. Chevrolet reckons that the LS427/570 "builds on the legendary, racing-bred performance of the LS7 to create the most powerful naturally-aspirated LS crate engine in our portfolio." What more do you need to know?
Apart from the price, and there isn't one just yet. Although this dealer in the US had the previous wet-sumped LS7 up for sale at $12,714, which doesn't seem an awful lot. Especially with free shipping. So, US-based PHers - or UK-based ones with some determination - now is the time to get your project up and running with most powerful LS yet. Chevrolet Performance dealers are awaiting your order...
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