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2004 pontiac gto with ls1 5.7 liter v8 under the hood

5.7L LS Engine Guide: Block Specs, Swap Resources & Build Info

Throughout its long production run, the venerable GM LS engine came from the factory in a wide range of displacements, from a modest 4.8L to a whopping 7.0L. So if […]
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GM 6.0 liter ls engine in a 1973 dastun nissan 240z

6.0L LS Engine Guide: Block Specs, Swap Resources & Build Info

Over the course of its 20+ year production run, the venerable GM LS engine came from the factory in many different configurations. And that’s particularly evident when you see its […]
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summit racing two corner coolant crossover delete kit

Parts Bin: Convert Your LS Engine to 2-Corner Cooling with a Summit Racing Coolant Crossover Delete Kit

Over their lengthy production run, some later engines in the LS family tree got what is known as “two-corner” cooling, while earlier motors often used “four-corner” cooling—the distinction refers to […]
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jeff smith installing a harmonic damper on a GM L engine using a summit racing tool

Video: Jeff Smith Shows How to Use a Summit Racing LS Engine Harmonic Balancer Installation & Puller Tool

If you’ve ever tried to remove the stock harmonic balancer on a GM LS engine, you know that a standard harmonic balancer removal tool isn’t going to work. Thanks to […]
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ls engine being run on dyno test

Stroker LS Cam Swaps: When is Bigger Not Better?

They say too much of a good thing can be bad, but does this apply to cam timing, more specifically stroker cam timing? Can you over-cam your LS stroker motor? […]
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ls engine being lowered on a hoist into a vintage fiberglass speedboat

Make Boating Crate Again: Tunnel Ram GM CT525 Circle Track Motor Test

What does every boat on the lake have in common with every car on the road? The obvious answer is that they all need (say it with me) MORE POWER! […]
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lst cam shaft test dyno chart

Ask Away! with Jeff Smith: A Good Camshaft Suggestion for a Modified Chevy 383 Stroker LS6 Engine

I have a 5.7L LS6 engine out of a 2005 Caddy CTS-V that dropped an intake valve with just over 50K on the odometer. The damage was not too extensive (no […]
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turbocharged ls motor in the engine bay of a 1970 chevelle

Check Out This 500 Horsepower Turbo LS Engine Built by a Motorcycle Guy (to Stuff into His Chevelle)

Matthew Bochnak runs the How-To Motorcycle Repair website and has his own MatthewMCRepair channel on YouTube. If something is ailing your bike, chances are Matt has a post that will […]
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richard holdener poses with Cadillac lr4 gm ls engine on dyno

Tire-Turning Torque: Low-Buck LS Blower Test!

What’s the biggest complaint about the little 4.8L LR4 LS Engine? Well, it’s the same complaint lodged about any small V8—namely the lack of torque production. Don’t get us wrong, […]
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cam sensor location on a gm ls engine

Gen 3 vs. Gen 4 LS Engines: How to ID Them (Video)

LS engines are the most popular engines to build, swap, and hot-rod because of their availability, affordability, and compact size. (They fit pretty much anywhere that a Gen. I or […]
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