Like other LS engines, a cam swap is common. This removes the vain and improves airflow by about 70 cfm. 4. The LSA uses a 1.9L with a single brick. Both are built to be 20% stronger than the LS3 short-block, according to GM, and even have forged (LS9) or hypereutectic pistons (LSA) … A 4.000 in. Milder than the LS9, the LSA offered 0.480 lift, a 198/216-degree duration split, and wide 122.5-degree LSA. © Copyright Are Media Pty Limited. LS3 vs LSA. That being said, both superchargers aren’t all that great compared to many aftermarket superchargers. Detonation can occur if inlet air temperatures get too high and/or low octane is used. 3. Install an aftermarket snout and a larger throttle body = about 30 hp. 76mm bore centres and have the same 1-8-7-2-6-5-4-3 firing order. Regular price $5,899.00. LSA / LS9 / LT4 TVS 2650. From what I can tell its basically an LS3 with different heads/cam and a forged crank. (We are assuming a standard blower, pulleys, and tune on pump gas.). I have several CTSV guys that daily with this camshaft. The LSA was a scaled-back version of the LS9. It used a smaller blower making up to 580 hp. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. You can lower the intake air temperature in several ways. Due to extremely high cylinder pressure, the heads can start to lift around 1,000 hp. Increasing the speed of the supercharger will create more heat. Morning Glory seeds look back a long history of ceremonial use among … 99 9. Which LS engine do I have? . Changing the pulley sizes can spin it faster and increase boost. (You will still need to select your specific Year, Make and Model.). This will destroy the cast pistons in the LSA. LS1 vs LS3: Cylinder Heads One of the most important parts of any performance engine is the cylinder head(s). ), Upgrading a few bolt-on's makes sense at the same time. If the supercharger is noisy, or making growling, rattling, or grinding sounds it may need to be rebuilt. Anyone know if theres anything really special about the LSA? Upgrading the camshaft will require the matching Valve Springs. (Any significant upgrade will require re-tuning the computer. However, they will also be more involved and expensive. And, they can easily make more! LSA/LS9 TVS Supercharger Rebuild Kits. The supercharged 6.2L LSA is similar to the LS9 and debuted in the 2009 CTS-V. Regular price $6,599.00. A stronger, aftermarket engine block with 6 head bolts per cylinder. 2. oversize. Heads: The LS9 uses special heads, while the LSA appears to use the normal L92 heads. Requires a special blower snout and other modifications. It's really only worth it if you plan on running at high rpm. LSA can be found naturally throughout the forests of this world, whereas LSD is the product of extensive lab work. at the wheels. $89.00. Both are pushrod V8s with two valves per cylinder, have identical 111.76mm bore centres and have the same 1-8-7-2-6-5-4-3 firing order. Upgrading to a LS9 Camshaft is worth about 30 hp. Everything you need for anything you drive. 59 Intake port volume: 260 cc Exhaust port volume: 90 cc Chamber volume: 70 cc Peak power: 692 hp at 6,500 rpm Peak torque: 625 lb-ft at 4,900 rpm Average horsepower (3,500-6,700): 567. Courtesy Of GM Performance … Upgrades are usually done in stages. The decision makes even less sense when you consider the production process requires the LSA engine be fitted in Holden’s Elizabeth plant only to be removed and replaced with the new LS9 engine when it reaches HSV’s Clayton headquarters. The LSA and LS9 engines share the same injectors and dual fuel pumps. Over the last four decades, as of 2011, the Camaro received many different engines for several different consumer markets. This involves changing the fuel and ignition curves to optimize performance. And a blower obviously. Chevy LS9 Engine Specs 3. Delivered to your door each month. LS Vs. LT: Which Is Best For Your Next Swap? Like the LS9, the LSA is an aluminum block 6.2L V-8 with an Eaton 6th generation two-rotor supercharger. The fuel pumps are controlled by a module that increases fuel pressure relative to boost. Aftermarket Blowers are also available. Titanium retainers are also recommended. Now for the differences. Picking up an LSA or LS9 mill through the salvage markets will still be pretty costly and you can accomplish what you are shooting for now and for less $. LSA A detuned version of the LS9, this supercharged 6.2L engine is standard in the 2009 Cadillac CTS-V. CNC porting the heads is common. The LSA was introduced in 2009 for the Cadillac CTS-V. Lsa vs ls9 heads. Aftermarket Cylinder Heads are another option. Our SS3 blower cam has proven to be one of the strongest LSA/LS9 blower cams out there. Both are built to be 20% stronger than the LS3 short-block, according to GM, and even have forged (LS9) or hypereutectic pistons (LSA) … General Motors manufactures superpowered LS engines in a wide range. This helps emissions and idle stability, but reduces flow. The stock injectors are good to about 600 hp. Follow the links below to see the parts we offer. The LSA and LS9 engines make a lot of power. Select cars to compare from your search results or vehicle pages, Why HSV found a whole new engine for the GTSR W1. Many have larger plenums, more intercooling capacity and better flow paths. (The LS9 came with forged pistons from the factory.). The intercooler unit has 50 per cent more cooling fins and a volumetric efficiency of 92 per cent, compared to 89 per cent efficiency for the LS9. Install the 2.3L LS9 blower = up to 90 hp. WhichCar is now home to Wheels, Motor, 4X4 Australia and Street Machine magazines. The LSA engine that the LSA supercharger is designed for has a compression ratio of 9.1:1. Kong LSA TVS 2650 8 Rib Supercharger Pulleys. When it comes to LS swaps, we’ve seen our fare share around these parts. And, they can easily make more! All Rights Reserved. It is built with several differences, when compared to the LS9, including hypereutectic pistons vs. the LS9’s forged pistons; and a smaller, 1.9L supercharger. The 33-hp difference between the LSA and LS9 cams is a clear indication as to why the LS9 cam is such an attractive upgrade for ZL-1 and CTS-V owners. This means the LS9 requires stronger internals, making it safer at higher outputs than the LSA. We strongly recommend a Trunnion Upgrade Kit. It was also available in the Camaro ZL1 in 2012. At that point, you will need to basically build a whole new engine. The next step on the upgrade path is a Pulley Swap. Larger, Aftermarket Cams can add about 50 hp. Let’s start with the similarities. The seeds are often chewed in order to extract the LSA they contain. For specific details about these engines, please follow the links below: 1. To simply all that, the LS9 has a larger supercharger which outputs more boost in stock form and it uses a better charge cooler. Though both are well recognized, this article is about the sharp difference between LS7 and LS9. Both the LSA and LS9 are 6162cc in capacity thanks to 103.25mm and 92.0mm bore and stroke measurements. The chart below lists the specs for common bore and stroke combination. LS7 and LS9 are two latest versions from LS engine series. The two were built in separate plants (the LS9 now having ceased production), with the LSA built in Silao, Mexico, while the LS9 came from Wixom, Michigan. LS7 and LS9 are two most advanced versions of LS engine series. From 5.3-liter junkyard motors to all-out builds pushing over 1,000 horsepower, we’ve either seen or done it ourselves. So I picked up a set of LSA heads, these are found on the 2010 Cadillac CTS-V's and are the same castings found on the ZR1. The chart below will give you some idea of what to expect. The LSA also has a different charge-cooler design on top of the supercharger. Kong Performance LSA TVS2650. Compression Ratio: the LS9 has a 9.1:1 and the LSA has 9.0:1 . With stock pulleys, the blowers spin around 16,000 rpm at redline. Pistons: The LS9 has forged pistons, the LSA specs indicate a cast piece. LSA is most commonly found in the seeds of Hawaiian Baby Woodrose Vine, as well as in the seeds of Morning Glory and a range of other plants. The factory heads are based on the LS3 heads. Fitting 2012-2013 Camaro ZL1 and 2009-2013 Cadillac CTS-V vehicles, the conversion front cover allows users to retain the OEM LSA accessory drive. It is pretty easy to get that horsepower number with supporting blower/fuel system mods. Other Upgrades to the 1.9L LSA Supercharger, Other Upgrades to the 2.3L LS9 Supercharger. The LSA has been SAE certified at 556 bhp (415 kW) at 6100 rpm and 551 lb⋅ft (747 N⋅m) at 3800 rpm. Both engines have the same injectors and dual fuel pumps. The stock dual fuel pumps are good to about 650 hp. LS7 vs LS9 Series. It doesn’t seem to make much sense on the face of it. The world's most thrilling performance car magazine. 8 products. Filter. They will reduce the valve weight and prevent Valve Float. They can be ordered by clicking this link ---> HERE.-Compatible with any LS engine using an LSA belt drive with LS3/LSA/LS9 style Cylinder Heads Testing Details (Dyno Graph in Images) The first LSA vehicle tested was a 418ci LSA engine. Upgrading the LS9 Fuel System. The LS9 uses a bigger 2.3L supercharger (LSA 1.9L), which allows for more boost. **If you change ONLY the upper pulley, you can still run premium pump gas. at the wheels. of valve lift is also common. I know my VIN. Even the zr1 guys like how well it … However, they will also be more involved and expensive. The LSA has a very small camshaft. Things like port shape, size, and length have a massive effect on the performance output. Chevy LSA Engine Specs 2. There’s also a more aggressive camshaft and dry-sump lubrication system, which allows the LS9 to rev to a maximum of 6600rpm compared to the LSA’s 6200rpm. However, it won’t make any more power until 4,800 rpm. The injectors effectively max out around 65 psi. If you change both pulleys, you will need an Octane Booster.**. Upgrades are usually done in stages. The first upgrade we recommend is tuning the computer. However, they max out around 65 psi. Why would HSV go to all the trouble of sourcing a completely different engine for the GTSR W1, merely for the sake of an extra 39kW/74Nm? 3 L vs 1. 5. The answer is that the LSA engine and its transmission are very close to their reliable limits at the GTS’s 430kW/740Nm, which is undoubtedly why the ‘regular’ GTSR benefits from a mere 5kW increase. The WhichCar Network: Everything car buyers need and car lovers want. LS1, LS6,LS2, LS3, L99, LS4, LS7, LS9 And LSA Engine History - LS Engine And LSX History Web Exclusive. The details behind Bugatti's mad 1100kW super-engine, Geek Speak: The tech behind the McLaren Speedtail, We take a look at the slick new tech beneath McLaren's sleek new Speedtail, Geek Speak: Koenigsegg Gemera's 1268kW hybrid system, The Gemera – a name literally meaning ‘to give more’ – boasts hypercar-crushing performance and potentially planet-saving tech, MOTOR’s own track tester develops the ultimate Aussie muscle car. Sort. The fuel pumps are controlled by a module that increases fuel pressure in relation to boost. Other than that alot of the specs are exactly the same as the LS3. why HSV went to the effort of scouring the US for enough units. The LSA and LS9 engines make a lot of power. The ports are huge-260 cc, the intake valve is 2.16. This keeps the walls thick enough to support boost. These heads will flow even better than ported stock heads and have thicker deck surfaces to withstand more boost. FIC 1300 CC @ 3 Bar High Performance Injector for CTS-V/LS3/LS7/LS9/LSA $155.00 142 lbs@58 psi high impedance. Upgrading the LS9 and LSA Engines Tuning and Bolt-on Upgrades. The Lingenfelter LSA to LS9 Supercharger Conversion Front Cover (part # L250406509) features a high flow, low pressure drop design to increase power and airflow capacity. My plans are to put a LSA supercharger on a close-to-stock LS3 (headers and LSA|LS9 cam). The LS3 has a CR of 10.7:1. Next up was the factory LSA cam used in the Cadillac CTS-V and ZL-1 Camaro. Your supercharger is a precision instrument built to tight tolerances. on a stock engine. https://www.whichcar.com.au/features/ls9-vs-lsa-whats-the-difference The stock boost pressure on the LSA is 9psi, compared to the LS9 where the stock pressure 10.5psi. They start at 36 psi @ idle and ramps to 87 psi @ high rpm and full-throttle. The Camaro was Chevrolet's answer to the Ford Mustang for the 1968 model year. The trunnion bearings in the stock rocker arms are a known weak point. Each level will provide more performance than the one before it. Titanium is used for the LS9’s con-rods and inlet valves, the main bearing caps are forged steel, the exhaust manifold is stainless steel, the pistons are forged aluminium and there are hollow-stem exhaust valves. The basic configuration matches the LS9 with the blower sitting in the valley of the block. Kong Performance LS9 TVS2650. The original LS9 was a 350 cu in (5.7 L) V-8, developing 160 hp (119 kW) and 245 lb⋅ft (332 N⋅m) of torque. While the LSA and LS9 engines look similar on paper, dig a bit deeper and you’ll find that the 474kW/815Nm LS9 is a very different beast, with plenty of modifications which make it clear why HSV went to the effort of scouring the US for enough units to fulfil the W1’s expected 300-unit build run. Swapping in a set of Full Roller Rockers is another option. Forged Pistons are a smart upgrade. -Kong LSA 2650 specific supercharger pulleys will be required when purchasing the unit. By Chase Christensen April 26, 2017. Kong Performance LT4 TVS2650. While changing engines is an enormous amount of effort to go to, the LS9 can run more power more reliably for longer, which made it the appropriate choice for the GTSR W1. The LSA had less upgrades and wet sump oiling. Regular price $7,499.00. Going as high as 0.630 in. Each level will provide more performance than the one before it. A by-product of the LT4’s lower-displacement rotors is they can spin at over 20,000rpm, much higher than the LS9’s 15,000rpm ceiling, while also reducing parasitic drag to turn them. The LS9 also employs a center-feed fuel rail that delivers gasoline to the center of the injector rail and each bank. 5 LSA. Applications: 2009–2013 Chevrolet Corvette ZR1; LSA. They run cooler and still fit under short hood-lines. These heads are stronger than a typical LS3 casting … The following upgrades will be required. stroke crankshaft will also increase displacement. A good tune can gain up to 40 hp. However, they have a flow vain in the intake port. What is LS7 and LS9? There are aftermarket pumps and Voltage Controllers that will work with the factory ECM to increase capacity. The table below gives some information on what to expect from different cams. Finally, a larger dual-brick intercooler cools intake charge much more effectively than the LSA’s single-brick unit. Your browser either does not have JavaScript enabled or does not appear to support enough features of JavaScript to be used well on this site. The cylinders can be honed 0.005 in. It was available in both cars until 2015.