Which LS engine has the most HP?

Under this name hides a 454-cubic inch displacement or CID., and a 7.4-liter, 776 horsepower V8 monster aimed at drag racers. The LSX454R is the most powerful LS crate engine of all time.

Which LS engine 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.

What is Chevy’s best engine?

Here, in chronological order, Super Chevy Platinum presents its picks for the Top 15 Chevy engines of all time.

  • 1) 265 V-8. (3.750 X 3.00)
  • 2) 283 V-8. (3.875 X 3.00)
  • 3) L65 327/365HP V-8. (4.00 X 3.25)
  • 4) 348 & 409 “W” Motors. (4.125 X 3.25 & 4.3125 X 3.50)
  • 6) L78 396/425HP. …
  • 7) L72 427/425HP. …
  • 8) 427/430HP L88. …
  • 9) 427/430HP ZL1.

Which is better LS1 or LS2?

The LS2 intake is slightly better than the LS1 intake. … The LS2 intake has a larger opening and larger intake runners. It’s also designed for a 6.0L motor and flows enough air to keep a 400 horsepower 6.0L happy. The LS1 intake is designed for a 5.7L and flows enough air to keep a 350+ horsepower 5.7L happy.

How much HP can a 5.3 LS take?

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.

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How much HP does a 5.3 Vortec make?

GM 5.3L Liter V8 Vortec LMF Engine

Type: 5.3L Gen IV V8 Small Block
Positive crankcase ventilation
Horsepower hp (kW)
Chevrolet Express: 310 hp (231 kW) @ 5200 RPM SAE Certified
GMC Savana: 310 hp (231 kW) @ 5200 RPM SAE Certified
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