If the intake is off, it’s also a good time to add a 4-corner steam kit. The table below gives some information on what to expect from different cams. The other specification to consider is duration. These upgrades are great for a naturally aspirated engine on pump gas.Īll LS engines respond well to a cam swap. Top-end upgrades include the cylinder heads, camshaft, valvetrain, intake manifold, and throttle body. Top-End Upgrades for LS7īuilding the top-end is the next level of upgrading the LS7 engine. It establishes a good upgrade path and you’ll know what to expect as things get more serious. In most cases, they can tweak more power out of your car than a canned tune. We recommended you call your local chassis dyno tuner and find out what programmer they prefer. With the LS7, the owners usually have a long list of upgrades planned so it’s good to get a baseline. Once the bolt-ons are done, there’s a good chance the factory ECM is far from optimized. These are upgrades that can often be installed in your garage with simple hand tools: ![]() They will improve the performance and fuel economy of a stock engine. These upgrades are relatively easy on your back and your wallet. ![]() The only question is… How far do you want to go? Basic Bolt-On Upgrades for LS7 Each level will provide more performance than the one before it. As good as it is, racers and the aftermarket love this engine and tons of great parts are available. The LS7 makes over 500 horsepower naturally aspirated right out of the box. The 427 c.i.d. LS7 is the largest displacement engine in the LS family. It was the most powerful naturally-aspirated GM production V8 engine since the 1960s and was based on the C5-R Le Mans Corvette racing engine. ![]() It was available in General Motors’ high performance cars between 20.
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