What are the pros and cons of the LS engine?
Due to the limited rev capabilities of the LS engine this is not as much of a problem in the production version of the engine. However, in performance applications where engines are expected to routinely rev past 6,000 rpm, it creates oil pressure problems as the oil pump starts cavitating.
When was the LS push rod engine introduced?
Introduced in 1997 the LS and its various iterations have found their way into over 50 cars throughout the years. The LS was used in everything from sports cars to trucks which has created a buyers market in junkyards across the US. There are some distinct disadvantages to the push rod design of the LS engine.
Is the a / C system in a GM LS-Series car?
The A/C system is commonly one of the many “I’ll think about that later…” tasks as the excitement builds for the first engine startup. This Tech Tip is From the Full Book, HOW TO USE AND UPGRADE TO GM GEN III LS-SERIES POWERTRAIN CONTROL SYSTEMS.
Are there any issues with the canton LS engine?
The LS engine is not without its issues though. For an engine that is touted as such a performance oriented engine the LS has some shortcomings. Oiling System; Piston Ring Seals Some LS variants have been plagued with bad piston ring seals. This issue can cause oil consumption issues.
What are the most common problems with LS engines?
This article will be split into the most common problems faced by LS engines during their lives. Statistically the most common problem that presents itself even to fairly new engines that are unmodified and even more so in older engines that are modified is hydraulic lifter failure.
What kind of engine do I need for a LS swap?
MOTORS AND MOTOR MOUNTS An “LS swap” is an engine switch and installation. The “LS” can mean any engine made by GM from a factory truck 4.8 to GM’s popular LS3 or LS7. The specific LS engine you choose to start with will depend mostly on the budget you have to work with.
What should I do if my LS engine makes a noise?
We cannot emphasize enough the importance of vigilance with your LS engine. Maintain the cars oil in top condition <10000km old and top level synthetic oil of around 10w-40. If there is a new noise get the engine checked straight away.
Can a LS engine be mounted on a SBC engine?
When mounting the engine, keep in mind that the mating point for an LS engine has a different distance from the transmission than the mating point for a SBC engine. Most car applications require the LS engine to be moved forward due to firewall clearance issues with the passenger side cylinder head.
What kind of engine is a junkyard LS?
The LS is an incredibly stout engine that is capable of impressive numbers with basic performance modifications. Check out this Hotrod.com article to see just how strong a junkyard LS can be.
How long has the LS engine been around?
Over the last 10 years the LS engine has rose to prominence. The engine’s performance potential and tight package along with high engine availability has created the perfect storm for the automotive aftermarket. Crazy swaps have pushed the LS into a level of its own.