So this story has many parts to it for example some of you may not know the Chevrolet LS family of engines (Doubtful but maybe)? Some of you might be confused on the whole car engine or marine engine deal(Maybe)? But one things for sure you know what a Corvette or Camaro is and for those that haven't put the correlation together well the LS engine is Chevrolet's choice for modern engine design and horsepower. Its also the choice of a number of marine marinization companies and engine suppliers from Ilmor Marine in all the new Master Craft products to Indmar marine to a host of other. The LS engine has been behind the performance engine resurgence of the modern era. These engines can be found in just about every kind of racing, sportsman, Hot rod , restoration and even pleasure boat today.
What we haven't seen is the aftermarket address how to take this powerful production engine and turn it into the perfect marine repower option. Why is it so significant well let me give you the first and biggest fact. PRICE $$$$$ You can buy from your local Chevrolet Performance Parts dealer a BRAND NEW all aluminum 525HPEngine #19301360 for $7589.00 and a engine management controller(ECU/Harness) #19259261 $1199.95 This engine Delivers 525 horsepower at 6,300 rpm and 489 lb.-ft. at 4,400 rpm, this is the top of the line for factory GM crate engines at least from a naturally aspirated standpoint. As delivered, the LS376/525 includes the Intake manifold, with the injectors, fuel rail and throttle body, ignition system. valve covers, and oil pan.

Now match that with Hardin Marine new line of products such as an entire billet engine accessory drive kit including stainless steel sea pump, alternator, p/s pump, tensioner, Stainless steel headers, bell housing, drive coupler, off shore engine mounts, polished stainless steel closed cooling system, starter, and a aluminum circulating pump and starters for less than $15K

Our question is simple why aren't the major power plant suppliers leveraging the technology of General Motors like they once did? Well we will cover that story in the up coming weeks. What we want you to do is just think about the possibilities of a lighter weight, professionally manufactured replacement fuel injected new 525HP Power plant dressed for less the $15,000 bucks and that's the 525HP version. If 430HP is all you need then you can knock a couple of thousand bucks off that price. Just imagine if you could buy this type of power matched with a drive engineered to handle it live the Bravo just how much more affordable boating could be for everyone.

Example Chevrolet LS Crate Engine with EFI

The LS3 525HP

  • Power: 525 hp at 6,300 rpm, 489 lbs/ft of torque at 4,400 rpm
  • Displacement: 376 cid, 6.2L
  • Bore x Stroke: 4.060-inch x 3.620-inch
  • Compression Ratio: 10.7:1
  • Block: Cast aluminum with 6-bolt cross bolted main caps
  • Camshaft: Steel hydraulic roller tappet
  • Cam Lift: .525-inch Intake / .525-inch Exhaust
  • Cam Duration at .050-inch: 226 degree Intake / 236 degree Exhaust
  • Lobe Separation: 110 degree
  • Cylinder Heads: Aluminum L92 style ports

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