What is the best LS engine for a swap?
What engine is best for an LS swap? In short, the best engine for your LS or Vortec swap is the one you can afford. Sure, we would all love a shiny new LS3 crate engine from Chevrolet Performance or a rebuilt 5.3L long-block from Summit Racing, but once we crunch the numbers that’s not always possible.
What LS motor has the most horsepower?
LS9The most powerful production engine ever from GM, the LS9 is the 6.2L supercharged and charge-cooled engine of the Corvette ZR1. It is rated at an astonishing 638 horsepower. The LS9 uses the strengthened 6.2L block with stronger, roto-cast cylinder heads and a sixth-generation 2.3L Roots-type supercharger.
How much horsepower can you get out of a LS engine?
The aluminum blocks are not as strong as the LS-based iron-block Vortec truck engines like the LQ4 and LQ9, but both the LS1 and LS6 can be pushed to over 850 horsepower with upgraded internals.
How much HP can a 5.3 LS make?
The stock 5.3L is factory rated around 320 hp with 340 lb-ft of torque. Most people will tell you 500-550 rwhp is a reasonably safe limit to push a stock bottom end.
How much does a junkyard LS motor cost?
Getting all the parts for a real strong performing motor from the junkyard can be done, and the complete project can be assembled at a cost between $2,000 to $2,500, but it’s going to take a sharp do it yourself guy that will put in the time.”