108 vs 110 lobe separation

Has anybody experienced it/ tried it? In terms of horsepower, the disparity between all three cams was only 6.5 hp, with a scant 100 rpm separating the peaks. So, you can enjoy a mighty acceleration power at 110 LSA. However, these rules are not absolute. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. After consulting with many experts, you are still in confusion between 106 and 110- lobe separation angles. A narrower LCA will increase valve overlap and close the (intake) valve earlier, which explains the typical rougher idler and more midrange behaviour. Lobe Separation Angle "LSA "Jump to Latest Follow 1 - 17 of 17 Posts . The balance of midrange torque and top-end horsepower lends this LSA range to the majority of street/strip engines. = Moderately Wide 110-108 Deg. Its the shifting problem again with your Chevy! I wouldn't assume 4 links fuel requirements will mirror yours at all. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Realize what the engine is going in, however, as you may not be able to use the wildest cam out there. The Fora platform includes forum software by XenForo. I am trying to pick out a hydraulic roller cam for my 351W with AFR 185s. Mike Magda is a veteran automotive writer with credits in publications such as Racecar Engineering, Hot Rod, Engine Technology International, Motor Trend, Automobile, Automotive Testing Technology and Professional Motorsport World. It idles very well at 650 rpm with a nice lope and runs strong. The custom cams we selected all featured 0.624-inch lift (both intake and exhaust) and a 232/242-degree duration split. 108 Lobe Separation These are my motors specs 1979 - 347 Stroker 10:1 Compression Holley 670 Street Avenger or a Holley 650 (I have both) Roush 200 Cylinder Heads (minor head work) 1.6 Roller Rockers Shorty BBK Headers 373 Rear End 5 Speed Transmission Cross Gap Intake (Power Band 1500-6500) FlowMaster Dual Exhaust (of course no Cats) MSD 6Al This is ground into the cam and can't be changed without changing cams. The lobe separation angle is the angle in camshaft degrees between the maximum lift points, or centerlines, of the intake and exhaust lobes. Epilepsy is a chronic noncommunicable brain (neurological) disorder associated with excessive neuronal activity and unprovoked seizures referred to as 'epileptic seizures' and sensory-motor deficits that cause neurobiological, cognitive, psychological, and social consequences to the patient. in some cases,, the average torque can equal out. The final cam was tighter still, with a 108-degree LSA. - Sheryl Crow. Well, I saw that Erson makes some nice hydraulic rollers with 108 LSAs, and I know that tighter LSAs have more midrange, so I thought they might be worth a try. But it also has a lot of lobe separation. Nitrous engines, which make plenty of power and torque, often run wide lobe separation angles to moderate cylinder pressures and temperatures. The Idles increasing vacuum improves the idle quality and the engines overall performance. LSA is a way of summing up the relative timing of the intake-valve events (intake opening, intake closing) to the exhaust-valve events (exhaust opening, exhaust closing) in relation to each other, and it's a great approximation of how the engine will operate. I do believe that stock VW seperation is 108 and 112 is used alot in turbo and midrange cams for VW's while 106 is used for the top end cams. *If you do not have enough vacuum, you can in some cases install a vacuum canister or reservoir, which works by storing the peak vacuum in the reservoir. by trmnatr Sat Dec 06, 2008 10:45 pm, Post Pick the cam with the valve timing events that fit the engine best, forget about LSA, it is only a result of the events. When degreeing in the camshaft, you are making sure the intake centerline is precisely where the cam is intended to be. "It's not having what you want, it's wanting what you've got!" OK, what is hydraboost, and how do you like how the cam performs??? Yearh, I have been reading a lot about this issue. That means your engine can produce more power with a minimum amount of fuel combustion. However, it is fixable. It may not display this or other websites correctly. To further minimize any dyno variations, the engine's oil and water temperatures were kept the same for each pull. The 114 cam will give more low end torque, good midrange, less power up high. If you look at the cam card, you will find a maximum lift column on the card.Now, all you have to do is, add up the two mentioned maximum angles and divide the summation by 2. . 1-4 It is one of the most common neurological disorders worldwide, 1-5 is among the most common . I think the compression ratio has something to do with LSA too. 106 LSA: There is a scale of standard cranking compression of the engine. 108 vs 112 lobe seperation. by mrsmythe Mon May 12, 2003 11:15 am, Post Methods: We evaluated 30 individuals with PD (62.47.2 years) and 22 age-matched healthy controls (61.06.4 years). The only reason the advance or retard a camshaft profile is to get the timing events where they need to be. BUT, 114 will have more vacuum at idle, which will work better with some fuelinjection. This comparison highlights that the 106 LSA is a good performer in a few mechanical aspects than the 110 LSA. Tests 2 and 3 meant dissecting the motor on the dyno to get the old cam out. So, without wasting any moment, lets find out the answer. The 110 is probably a better choice for a performance street engine. Adding an aftermarket cam to an otherwise stock engine can boost output by 40-60 hp (or more) with no other changes (except possibly a valvespring upgrade). Now its not shifting into 3rd and you are here. Also, the wider LSA contributes to chassis stability in drag racing by avoiding the delivery of a ferocious blast of power that would break tire traction. Typically, narrower lobe separation develops peak torque at lower rpm and widening the separation tends to build peak torque higher in the rpm range. But, after comparing these two LSA based on a few mechanical aspects, such as maximum Torque, RPM, powerband, oil consumption, and many more, you will find the 106 LSA with better performance output. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. This table will create a map in your head, and I bet it will make your understanding crystal clear. I don't think your duration figures are too outlandish and with the tight LCA and high lift, it should make some big torque. For example, an oval-track small-block that needs to motivate the car off the turns quickly might have a narrow LSA of around 106 degrees, resulting in more overlap. "When you've properly tuned a performance motor, you create high- and low-pressure waves in the intake and exhaust that help cylinder filling," said Comp Cams' Billy Godbold. It is dangerous to be right in matters on which the established authorities are wrong. I've seen that Webcam cams can be ordered with either of the above. Topping the short-block was a set of Chevrolet Performance CNC LS3 heads from Gandrud Chevrolet. Valve lift will bear weight in any decision regarding LSA. I just bought a 86b Webcam and Im using 1.5's. The takeaway from this test is camshaft LSA is a double-edged sword. 114LSA +4 puts the intake centerline at 110 degrees before top dead center. But, after comparing these two LSA based on a few mechanical aspects, such as maximum Torque, RPM, powerband, oil consumption, and many more, you will find the 106 LSA with better performance output. 106 LSA: There is an increasing chance of engine knock at the 106 lobe separation angle. indeed, expect low vacuum with anything lower than 110-ish. But, you may wonder knowing that a higher valve clearance rate reduces the chance of damaging the valve by the piston. As a result, you can enjoy a pleasing engine outcome. Only once the intake valve has closed can compression begin to build. It also depends on what the vehicle will be used for and if economy and vacuum are important. The extra cubic inches will smooth out a rough idle in a 327. 110 LSA: On the other hand, 110 LSA is a wider LSA with almost no overlap. Save my name, email, and website in this browser for the next time I comment. by jim martin Mon May 12, 2003 7:10 pm, Post I'm surprized at these questions as well as some of the replies. " Frontal lobe epilepsy (FLE), the second most common focal epilepsy syndrome after temporal lobe epilepsy (TLE), is frequently drug-resistant and MRI-negative. . Frankly cams with a 108-114 lca unless in the perfect combo you won't usually see more than 15hp and you won't really feel the difference except for either a peaky or broad power band. This may be of concern if you have vacuum assisted accessories, such as power brakes or steering. by Hoxviii Mon May 12, 2003 7:50 pm, Post All rights reserved. You get a better idle, vacuum, and response from a 112o-114o lobe. The power and torque curve lay directly in between the last two cams, as did the peak horsepower and torque, 488.7 at 6,200 rpm and 487.1 at 4,600 rpm, respectively. by lazaris Fri Dec 12, 2008 2:18 pm, Post Big strokers like tighter LCA but it really depends on your combo and usage, theres great OTS cams but for a custom engine a custom cam is the way to go With identical cam lobes you won't see a bit of difference. They also reduce stress on the outdrive. 03 The 4.000-inch crank and 6.125-inch rods were combined with a set of forged asymmetrical pistons from JE. Pinning the tail on the perfect cam can certainly be a difficult task. It made 472.4 lb-ft at peak, a 21.5lb-ft disparity from the 101 cam. But, you may find a lobe wider than a 120-degree angle in any car engine.But, I must let you know that those are customized car engines prepared for any special purpose, such as racing, drag racing, off-road riding, or performing stunts. 12 In terms of power production, the stroker LS3 performed best with the tightest lobe separation angle. Yeah but do the experiment on the dyno and tell me your intuition is correct. Tests have shown that, for a given cam profile, a tighter (smaller) lobe center will produce more average horsepower and a quicker revving engine. Kevko baffled oil pan & Milidon windage tray. Lobe Separation Angle, or LSA, is the number of degrees that separate the peak lift points of the cam's intake and exhaust lobes. For your convenience, I am providing a comparison table to give you an overall idea about the comparison. The lobe separation angle in a natural car engine conveys a considerable impact, especially regarding the maximum torque. by ANT Mon May 12, 2003 1:47 pm, Post However, finding them might be challenging if you dont have any prior knowledge. To reiterate another point, I realize that wider LSAs tend to broaden the power band, but for a car I would like to bracket race a bit, as well as enjoy on the street, I was told that a narrower LSA will help the car accelerate at a faster rate. If the exhaust valve closes too early it will trap some of the spent gases in the combustion chamber, and if it closes too late it will over-scavenge the chamber and take out too much of the charge, again creating an artificially lean condition. However it is at the expense of a small amount of bottom end power and idle quality, due to the increased overlap. = Moderately Tight 106-104 Deg. Professionally ported & polished iron 4V head with titanium intake valves, stainless exhaust, titanium retainers & keepers & dual springs. Again this is dependent on your shift rpm and assuming you truly have 14-1 compression. Copyright 2022, S&S Motorsports LLC, All Rights Reserved - Powered by, http://www.webcamshafts.com/cam_glossary.html, http://www.newcovenant.com/speedcrafter haft/3.htm, Webcam 86A 108LC w/1.5 vs 86B 112LC w/1.3s. The other thing is that you can make more power with a smaller aftermarket cam. 106 LSA: So, if I talk about the powerband at 106 LSA, the powerband is narrow. What happens when you change ONLY. I've seen a few comments in threads on here that have said things like "going to the 112LC from the 108LC gives 4lbft more torque at the bottom and 2bhp more at the top" yet this would seem to go against what webcam say on. Lobe separations gives lots of overlap and lobe centers just happens when the grinder decides how the peak of the lobe will arrive on a specific grind by their tooling. Selecting a camshaft for a given engines purpose usually involves a compromise between low- or high-end power options, and the lobe separation angle (LSA) is one of those factors where engine builders have to make a choice between those priorities. by mrsmythe Tue May 13, 2003 5:45 am, Post This recommendation is only if you shift at no more than 7000. Ed JTO learn to park Joined May 31, 2009 180 Posts A wider LSA moves intake- and exhaust-valve events farther apart and creates less overlap, which hurts intake-wave tuning. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. But, the narrow or broad powerband choice varies from person to person. LSA is the distance from the centerline of the intake lobe to the centerline of exhaust lobe. But that doesnt mean high-strung racing engines cant see gains, as well. Fixing the ignition coils is essential when you experience issues like engine misfire and the Check Engine light that wont go off. Well get out of that stocker and build a hipo motor for your VW. An RV or towing camshaft, which is considered a mild performance or an economy cam, will often have a narrower LSA, between 112 and 114 degrees. 07 Though the CNC-ported heads offered plenty of flow, it was necessary to upgrade the supplied valvesprings. A cam 112LSA with 4 degrees advance puts the intake centerline at 108 degrees. You can research your heads to find out where yours are, but honestly I don't think it will be worth the effort on a tow vehicle. If you compared these two cams side by side in identical engines, the first cam would actually have a slightly better idle and would produce slightly more peak power at upper RPM's. A wide lobe seperation is not always better than a narrow one, or vise versa. 15,215. ohio. With a 108 degree lobe center, a cam will have a rougher idle and produce less vacuum due to more overlap. For large port heads like the CNC 044's which can use the extra lift 1.4's make a noticable difference. If all the specs remained the same what will going from a 110 to a 112 lsa do to driving characteristics? Also If you go with 112 lobe centers, you create less valve overlap which will increase your compretion. Part Number: HRS-CL120325-08. by SStrokerAce Sat Dec 06, 2008 7:36 pm, Post The intake lobe centerline is measured in crankshaft degrees. JavaScript is disabled. On engines equipped with independent intake and exhaust cams, the LSA is adjustable. Some prefer a narrow powerband, and some prefer the broader one. The higher the compression and the higher you try and rev it, the more it will like a wider lobe center. 108* or narrower lobe separation angle (LSA) is "Narrow" and 114* or wider (up to 117* or 120* for stock cams) is "Wide" , with 110 to 112* being the "normal" hot-rod cam. If two cams are identical with the exception of lobe separation angle (we'll say 108 and 114) the cam with 114LSA will make more low end power than the 108LSA cam? I have seen a dyno test where an engine using identical duration and lift made more peak power with a 112 LSA than a 110 LSA. We will also custom grind any of the above profiles with a custom lobe center, for an additional $20 dollars. For a better experience, please enable JavaScript in your browser before proceeding. And better gas mileage. you cannot just take a random change in a lobe separation angle and say 1 is better than the other. by mrsmythe Wed May 14, 2003 2:26 am, Post A 112-114 degree lobe center will have a better idle and produce more vacuum with less overlap. The world of fuel injection is where wide LSA cams like the 113 really shine. Widening their separation angle helps increase upper rpm power output. Hopefully it turns out great. Increasing the EGR effect has a good side in that it reduces the amount of oxygen in the combustion chamber. Another related thought to consider when selecting a cam is inches of vacuum for your engine application when deciding upon a Lobe Center. Do you know what the best lobe separation angle for your car engine is? If you're an OEM automaker looking for a steady idle, good fuel economy, and passing tailpipe emissions, this is the cam of choice. 110 for sure. Vintage/Classic/Historical Engine Tech, 3V Performance Engine & Valve train Development, Race Cars & Parts - For Sale or Wanted. How To Properly Replace Ignition Coils, Chevy 350 Ignition Coil Location And Everything About Them, Heres What Causes Your Car to Bog Down When Accelerating. But remember, although a broader powerband has a couple of acceleration advantages, it also comes with a few drawbacks. Elle concerne 264 taxons des degrs divers. After the next three pulls, it was clear the 113 cam was way down on low-end torque. More over-simplifications: All testing was performed with an Aeromotive fuel pump feeding a set of 42-lb/hr injectors. I am pretty sure, right now, you find yourself in the middle of the rising debate of 106 vs 110 lobe separation angle. somthing to that aspect. You cannot look at just the LCA without looking at other specs too. A 112 LSA would be better if I had an automatic, but the engine builder (who has built many, many drag racing engines)told me I would have much faster acceleration with the 108, at the expense of a broader power band of course, but that 108 would not unduly penalize me for the street. A cam with a 112 lobe center will idle smoother than a cam with a 110 lobe center. Looking at 108vs. If a street car has smaller lift and duration numbers, they might run 112 or 114. A cam with a tighter LSA will require a looser torque converter, may not be able to run vacuum-assisted brakes, and doesn't play nice with fuel injection. JavaScript is disabled. It is the angle that separates the intake and exhaust lobe for a particular cylinder, and is measured in camshaft degrees. O onovakind67 Registered Joined Dec 14, 2001 6,242 Posts 110 LSA: On the contrary, if you look at the powerband at 110 LSA, the powerband is comparatively broader. 2023 Power Automedia. Given that nitrous works best in the mid- to upper-rpm range, nitrous-powered engines need a wider lobe separation, like 112 . Camshaft: Hydraulic Roller, Comp Cam custom grind (ADV Duration 281-287,@ .050 230-236, lift 622I & 625E w/1.6 rockers.) The piston and cylinder damage possibility is pretty low at 110 LSA. A wide LSA reduces valve overlap, softens the idle and improves overall drivabilityespecially on the street where performance engines benefit from 112 to 114 LSA. Torsion Beam Vs Multi Link: Who Wins the Battle? 4-linked72, what cam are you using that has a 108 LSA? 554"/577" lift. A cam with a 112lobe center will idle smoother than a cam with a 110lobe center. For a better experience, please enable JavaScript in your browser before proceeding. In the 106 LSA, the engine can reach the maximum torque, making the driving more efficient and saving energy. The graph above compares intake valve closing points of the three cams used in the test. Many later model engines use wide lobe separation angles to reduce overlap for idle quality and fuel economy. For any additional clarification or questions please contact our Tech Line at 714 523-0530. https://www.youtube.com/watch?v=57gfBu8uc6k&t=1s. This wave tuning is what helps performance engines achieve volumetric efficiencies of more than 100 percent. It affects the powerband and temperament of a motor more than any other single part, and a slight change can turn a car from a mild-tempered grocery-getter to a downright nasty machine. 110 LSA: However, if you look at the rate of cranking compression at 110 LSA, you will find a reduced compression rate from the standard cranking compression PSI level. kinda off topic.. but while we're on the topic of cams, duration,lift,ect has anybody heard of using high compreshion (13:1) on pump gas, by useing alot of duration? Powerband serves a massive contribution to the acceleration car. However, the plentiful exhaust overlap (31 degrees) meant there was lots of exhaust dilution at low engine speed and high vacuum. But you always have a cam card with the engine. What Are The Wastegate Stuck Open Symptoms? We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. While lift and duration are most often discussed when talk turns to cam timing, there is a third variable that has a decided effect on both power and personality. The 110o will make more power overall. 06 The ported heads featured a 2.165/1.590-inch valve combo. 106 LSA: As the 106 LSA is a tighter LSA, it fails to generate maximum power. The 114 cam will give more low end torque, good midrange, less power up high. This is one of the many reasons why Clay Smith Cams always recommends degreeing your camshaft in using the Lobe Center Method. Higher overlapping lets less oil fall through the oil inlet. If you changed the lobe separation of a street engine from 112 degrees to 106 and didnt do anything else, adds Kaase. 112 vs 114 lobe centers You cannot tell the differance in the two . On a tight lobe separation, like 106-108 degrees, the engine will build torque quickly and reach its peak early. by bigjoe1 Sat Dec 06, 2008 10:48 pm, Post This cam also offered the highest torque output at 4,000 rpm with 522 lb-ft. Based on the peak numbers alone you might be tempted to grab the one with the tightest (108-degree) LSA, but there is more to a cam test than power. Performance Distributors Keeps The Spark Alive With SOS, A New Diesel Piston That Increases Power And Reduces, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, Melling Offers New Timing Kits for Ford 4.6L and 5.4L SOHC, Reborn Retro Blower Packs Positive-Displacement Power For Fox, EngineLabs Tool Of The Month: Summit Racing Lb-In Torque, Why You Should NOT Emissions Delete Your Diesel, Can A Cold Air Intake Really Help Your Trucks, Ask The Expert: We Want Your Questions For Canton Racing, The Answers: DeatschWerks Responses To Your Fuel System, SEMA 2022: GEARWRENCH Leveled Up With Distinct Quality Hand, EngineLabs Tool Of The Month: Summit Racing AN Wrench, HOLY SHIP! music to your ears? The 112-degree cam produced peak numbers of 567 hp at 6,200 rpm and 540 lb-ft of torque while pumping out 511 lb-ft of torque at 4,000 rpm. Engine knocking generally occurs when the burning of the fuel by the engine is uneven. On the cranking. The introduction of Lunati'snew Bootleggerhydraulic series - with its wicked 108-degree lobe-separation angle, fast opening profile and plenty of area under the lift curve - will serve only to fuel the flames on this heated bench-racing topic. So, now you, Read More Chevy Transmission Wont Shift Into 3rd: Finding the Main CulpritContinue, While changing the oil on your boats lower unit, you may need to change the drain plug, too. After spending 8 years in plant production engineering, Noah wanted to join Engine Addiction as a key member of all cars specific guides, reviews, repairs, suggestions, and more. Next up was the 112-degree cam, which actually lost out in peak power slightly to the 120-degree cam, but offered considerably more torque. not exactly true, Ive seen custom grinds that are on 108 lca, smooth idle, high vacuum an even able to run efi, usually on an off the shelf cam it is true. ( 2 ) Estimated Ship Date: Feb 23, 2023 (if ordered today) Drop Ship. Test 1 was easy. While most of our customers know what lift and duration are, most are unfamiliar with the term Lobe Center and how it affects the engines performance. Contrariwise, 106 LSA car engines are the best choice for people seeking energy-efficient cars with moderate engine power. 106 LSA: The overlapping is higher as 106 LSA is comparatively tighter LSA than 110 LSA. Known as "The Gladiator" around Westech Performance, this Dart SHP blockbased, 370ci, small-block Chevy has made thousands of dyno pulls testing all manner of heads, intakes, cams, and every other crazy thing us magazine folk have coerced Westech's Steve Brul to bolt to it. The Crane has a smoother idle, broader power band, and . One segment that truly benefits from a wider LSA is the marine marine market. The intake air control valve (IAC), which regulates idle speed, also has to work overtime and often attempts to "catch" the idle, but usually shoots high or low. i think a little more torque will be good for my car.With the XE274 it was a little slugish until around 3000 rpms. The wider lobe separation angle closes the intake valve later and reduces cylinder pressure, so that is where it's detonation resistance comes from. I though my car would have a nice rough idle with the solid cam with a tight LSA I put in my car, its go a slight lope to it, but it pulls hard. Pretty much standard for an RV type cam. You are using an out of date browser. The lumpy-idling 101 LSA cam churned out an average of 484.0 hp at 6,100 rpm with 493.9 lb-ft of torque at 4,400 rpm. Split duration/lift only helps when your intake/exhaust ratio is low on the exhaust side. = Extremely Tight . The only reason I . Good cam for a lower rpm street engine. I personally prefer to sacrifice the small amount more power for better idle quality. by SStrokerAce Sat Dec 06, 2008 7:38 pm, Post ~These are just some of the drawbacks weas guys who like to go mach 10 with our hair on fire and these little motors screaming at rpms that make other guys cryhave to deal with.~. Builds More High-RPM Power Increase Piston-Intake Valve Clearance Decrease Piston-Exhaust Valve Clearance EFFECTS OF CHANGING LOBE SEPERATION ANGLE (LSA) Tighten (smaller LSA number) Moves Torque to Lower RPM Increases Maximum Torque Narrow Power band Builds Higher Cylinder Pressure Increase Chance of Engine Knock Increase Cranking Compression thanks. Anybody do any real testing on LSA in a 3.75 stroke small block chevy?I have always used 104-106 and was thinking about trying a 108 or 110 design.I know there is a lot of variables but just a general opinion from any experts.This is for motor only no nitrous.600-640 HP engine combos.Much appreciated! Aeromotive; 913.647.7300; AeromotiveInc.com, AFR Heads; 661.257.8124; AirFlowResearch.com, Federal Mogul/Felpro; 248.354.7700; FederalMogul.com, Mahle; 248.347.9700; Mahle-Aftermarket.com, Scat Enterprises; 310.370.5501 ScatEnterprises.com, SuperFlow Dynamometers and Flow Benches; 515.254.1654; SuperFlow.com. So, this LSA is suitable for your engine and its components. Equipped with the 120-degree (LSA) cam, the hybrid stroker produced 570 hp at 6,200 rpm and 535 lb-ft of torque at 5,200 rpm. Good luck. Cam timing plays an important role not only in the power generated but also the overall character of the powerplant. Things like idle vacuum, fuel economy, and tuning all factor into picking the right cam. 4 Impaired episodic memory and semantic knowledge are common in TLE, although dysexecutive traits . But, at 106 LSA, the cranking compression may increase above the standard PSI level. This has been my long time understanding! That was all, and we have already reached the concluding point. Usually, this separation angle ranges from 95-degree to 120-degree. Nitrous engines, which make plenty of power and torque, often run wide lobe separation angles to moderate cylinder pressures and temperatures. These favorable mechanical features depict the powerful acceleration capacity of the engine with higher oil and energy consumption rate, overheating problems, and other mechanical problems. It depends on the combination of engine size, head flow and head flow balance, as well as a big one, exhaust flow capabilities. The tightest LSA (101) was worth 21.5 lb-ft of torque and a much broader powerbandat the cost of much lower idle vacuum, which would make it more temperamental in a street car. LSA CAM TEST-108 vs 112 vs 120 Richard Holdener 239K subscribers 168K views 2 years ago WESTECH PERFORMANCE GROUP FULL RESULTS-CHANGE ONLY LSA-LS CAM TEST. The 120-degree cam minimized torque production through most of the curve, while the 112-degree cam offered more torque but slightly less peak power.

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