The school of automotive machinists sam has done extensive engine dyno testing on ls1s and has come to the following conclusion. In the spirit of mr wards thread id figure ill throw mine up as well. So when it is time to purchase a high performance camshaft for your ls or gen 5 lt equipped vehicle, get real value for your hard earned money, call cam motion today for all your performance camshaft and valve train needs. Its all in the combination of parts and the calibration behind it. Chevrolet performance ls series camshafts are direct replacements for your original worn piece. In addition to the 799 camshaft files contained in the dynosim5 software, an expansion called camdisk8 with an additional 6,000 camshaft files is available. The difference being the ls7 cam offered more lift due to the 1. Sep 17, 2015 typically these cams will push the power curve to the right of the dyno graph and hold the increased horsepower longer at higher rpm. You may find that the best results involve a blend of tuning services at an experienced dyno facility and final doityourself tweaking using a popular scanandtune software package.
Dyno tested camsheft thoery car craft magazine hot rod. It is dimensionally identical to the ls1 but does feature noteworthy. The stage 3 and 4 truck cams are also designed around the ls6 springs. Intake closing point is the most important determining factor for where and how much power the ls1 makes. Performance management software totally tuned corvette. In addition, the chambers were smaller for a healthy bump in compression ratio. The rest of the production cams ls1ls6 fell somewhere between these two extremes. Camshafts free delivery possible on eligible purchases. Previously, all of the other engines weve modeled have had camshafts picked for them. Comp cams dyno graphs for hydraulic flat tappet and hydraulic.
We have some of the lowest prices on chevrolet performance parts, chevrolet performance engines, and chevrolet performance transmissions. Per the dynosim5 manual, the dynosim software performs several million. Ls6 cam within the internal engine forums, part of the lsx technical help section category. Ls1ls6 hot cam kit gm, includes cam and ls6 valve springs. For years, the ls6 camshaft has been a venerable upgrade for 5. Feb 22, 2009 if youre going to the trouble of a cam swap, swap in something bigger than the ls6 cam. We wound up having software issue which left us with no progress. That is only an 8% drivetrain loss, so the ls2 is clearly underrated from the factory. It is the car owners responsibility to ensure that the car is in good working order and capable of handling the stresses incurred when tuning your car. Ls3 x 3 comparing three performance cams on the engine dyno. Budget ls bangs out power a rebuilt junkyard chevy lq4 motor is treated to a more aggressive camshaft and springs to see how much dyno power it makes. Something like texas speed 224224 xe or or tr220 or tr224 would work with those valve springs if im not mistaken.
We sat down with crane cams and discussed all of these issues and how they relate to the ls series, and got an inside look at a cam comparison they ran on three of their most popular grinds for the ls3. By changing the head and cam, the engine usually has a lot more power. So i ran the ls9 cam and have since run many aftermarket grinds. Brian tooley btr stage 3 naturally aspirated cam ls1 ls6. The airflow combined with hollowstem intake valve and ls6 specific valve springs resulted in a redline that was 500 rpm higher than the ls1. This cam gets alot of cars a little closer to 400 rwhp. Ever since its introduction, gms gen iii ls1,2,6 engine has quickly become the preferred choice among many engine builders and performance enthusiasts.
Ls swappers dyno results list third generation fbody message. Find chevrolet performance ls6 corvette camshafts 12565308 and get free shipping on. If you own a 4 th generation chevrolet camaro with an ls1 engine and you have been wondering what kind of gains you can get from mild engine upgrades, this weeks dyno blast video feature might help you plan the next phase of your project a stock 2001 camaro. Ls6 heads cam combination gm hightech performance magazine. May 20, 2014 brian tooley racing stage iv cam 233248. Aug 22, 20 in this tech installment, we take an indepth look at dyno tests of three of crane cams most popular ls3 grinds. Honestly, now i am just confused as hell and not trying to argue here.
Comp cams dynosim5 engine simulation software put to the test. I know that ill be able to tackle the swap and everything but i have no tuning software and the closest dyno with efilivehp tuners is about 300. Unlike all the other cams, the ls2 did not rev cleanly to 6,500 rpm, so we limited. To add there is nothing wrong with the ls6 cams if it were me and i were choosing between ls6 cams i would go with the 0203 ls6 cam. Similar to the ls6 intake they are considered the go to stock cam when turbo charging and even used prices are thru the roof.
Gm ls engine cam test comp cams gen iiiiv camshaft shootout. However, you will need to upgrade the internals to handle that kind of power. Right from the factory, the gm gen iii engine boasts a surprisingly efficient induction design, reduced weight and impressive power output. Visit our whats new page to get all the latest chevrolet performance news, announcements, and specials. Chevrolet performance ls6 corvette camshafts 12565308. Engine power systems, 2010 camaro parts, 2010 camaro.
These nostalgia plus cams are specifically designed to capture the essence of the original 60s musclecar, with additional power that you can feel in the seat of your pants. Find great deals on ebay for ls6 camshaft and ls1 camshaft. An ls6 rated at 405 hp at the crank produces 336 to 345 rwhp. Mar 10, 2011 check out this ls1 engine that we test on the dyno with different camshaft. Llc associates program, an affiliate advertising program designed to. For this engine, we are going to take a twostep process. Comp cams xfi roller camshafts for gm lsseriesgen iii. The 228232 camshaft is a very popular camshaft for customers wanting a very streetable camshaft that makes approximately 57 more horsepower than the 228r camshaft. Aug 16, 2009 gm ls engine cam test fourway bumpstick blowout just how well do comp cams hottestselling gen iii and gen iv profiles perform.
For efi, a gm computer was reflashed with hp tuners software to control 45 lbhr. A slightly bigger cam than our trusted ls6 power max with a new intake lobe that has more duration and a small increase on the lift to provide more power on the topend without sacrificing lowend torque. Plus, joe and mike hit the road to take in the annual horsepower finals. Dont miss all the steps and the results of the dyno testing. Holley terminator x ecu kit for ls1 ls2 ls3 ls6 dynosty. Save yourself the time and expense of going to an aftermarket camshaft supplier and build your ls engine with a genuine gm cam. In addition to the 799 camshaft files contained in the dynosim5.
C3 techperformance 454 ls6 build follow along on this shp 454. Ls1, ls2, ls3, ls6, ls7, lsx, ecotec, alloytec, direct injection, ls engine building, ls racing engines, turbocharged ls. Step inside to get the realworld data on how each different cam affects the ls3s power production. Jun 19, 2018 the final, and probably most important and useful category is the camshaft category. So still some room to grow over 600 rwhp if i desire, but it is already pretty stout driver. Btr cadillac ctsv camaro zl1 lsa stage 123 camshaft package stage 1 camshaft specs. Its common for the budget conscious gearhead to source a high performance oem ls camshaft to increase the power output of their ls powered vehicle. They are also easier to find than the higher displacement engines. Ltx and lsx ls swappers dyno results list im going to try. All ls camshafts are compatible with productionstyle lsx and c5r blocks, as well as all of our cylinder heads although pistontovalve clearance must be checked on some applications. Regain that low noise and easy maintenance with the installation of new gm ls series camshafts. From the dyno charts i have seen the ls6 cam provides a bit more torque below 4500rpm compared to the ls1 camshaft. This ls6 engine upgrade guide is part of a series of ls engine upgrade guides assembled by a team of ls experts at summit racing that we are sharing at onallcylinders.
D three bolt camshaft gear, 19972004 ls1, ls6 or other gen iii v8 engines. Tick classic camshafts 1 tick elite camshaft packages 2 tick elite camshafts. Comp cams dyno graphs for hydraulic flat tappet and. Oct 28, 2015 this weeks dyno blast video features a 2010 cadillac ctsv that has been modified to make a little more power than stock. Check out this ls1 engine that we test on the dyno with different camshaft. Check out this tech article that explores refining ls6 heads, cam combination for optimum performance on the street. The rockers are easy to install as they are mounted to a single tie bar per head that holds all the rockers. Cbm motorsports ls engine specialists ls1, ls2, ls3, ls7. Lingenfelter camshafts ls1 ls2 ls3 ls6 ls7 ls9 lsa. Its tailored for 00andearlier, prels6 engines using stock cathedralport heads. Keep in mind the ls6 cam is tuned for the ls6 intake with an early intake valve closing. Ill be going to a fun dyno session with the car to see exactly where hers is.
The odd thing about the ls2 test was that this was the only factory cam with which we experienced valve float. Though it was designed for a supercharged application, the ls9 cam was all but identical to the 427inch ls7 cam. How to choose the right pro ls cam for your application. Gm performance parts for the lowest prices on the web. How bad will my car run if i add ls6 headscam with no tune. Perfect for those wishing to have a slight cam sound and increased torque and power. Ls6 will add a little thump but still be good for a daily driver. Buy brian tooley btr stage 3 naturally aspirated cam ls1 ls6 ls2 5. Aug 14, 20 check out this tech article that explores refining ls6 heads, cam combination for optimum performance on the street. This camshaft is comparable to the lt4 hot camshaft but for your ls1 engine. The final, and probably most important and useful category is the camshaft category.
Typically these cams will push the power curve to the right of the dyno graph and hold the increased. Worlds top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines. The ls6 cam then climbs steadily and provide power through 6500rpm compared to 5700rpm peak of the ls1 camshaft. Check out how to tune your c5 corvette and c6 corvette with efilive software this is a great performance management software, featured in the 2008 february issue of corvette fever magazine. This is typical behavior for the medium sized ls1 ls6 cams that make considerably more power than stock. D taking the blazer to the dyno, getting anxious to see how disappointed im going to be. Engine power systems was created with the high tech racer in mind.
The truth is that realworld test data is about the only way to get straight answers. These ls6 corvette cams from chevrolet performance are the production cams for the 200204 ls6 corvette. Lingenfelter gt1 hyd roller camshaft 350383427 ls1, ls2. This is less of a problem on a dedicated race motor, but it definitely must be considered on any kind of daily driver, or even dualpurpose, street. Find chevrolet performance ls6 corvette camshafts 12565308. They give your ls6 the horsepower and torque it needs to perform like brand new. Cams that have an intake closing point of 40 degrees abdc tend to make peak power around 6000 rpms. Competition cams camshafts ls1, ls2, ls3, ls6, ls7. We drag race a new and classic ford shelby mustang gt500 to see what 50 years of progress makes.
Chevrolet performance ls series camshafts 12638427 free. Couldnt get support since everything was closed for the new year. The stage 2 truck cam will too, but summit racing recommends ls6 springs to extend the rev range. The real fun came in the camshaft selection area for this particular engine. Actuating the valves is a new camshaft, with intakeside lobes providing more than a 5percent percent in increase in lift, from 0. These famous factory camshafts of the past are combined with the latest advanced camshaft technology to give you the sound and excitement of the musclecar era. There are predefined generic grinds available, as well as actual comp cams part numbers in a library. Chevrolet performance ls6 corvette camshafts 12565308 free. This modern iteration uses newer lobe technology and valve events to help prevent the loss of bottom end torque that was sometimes associated with the original camshaft in lower compression or smaller cubic inch applications. Gm ls engine cam test comp cams gen iiiiv camshaft. The camshaft timing was revised to optimize performance with the higherlift intake cam profile.
How to choose an ls camshaft for an auto with stock converter vcm duration. From fbody to corvette, sierra to silverado, g8 to gto, we carry everything for making power with your ls or gen v ride. Serious engine modifications to improve c5 corvette performance. Camshaft, ls1ls6 hot cam kit gm, includes cam and ls6. A quick look at what kind of power a lightly modified ls1 camaro ss from 2001 lays down on the dyno. Free efi tuning software for complete control of your terminator x power plant. Xtreme energy camshaft dyno results xtreme energy cams bridge the gap between magnum street cams and race only cams. Tuning software and equipment includes instructional photos, checklists, and stepbystep instructions on upgrading to the gm gen iii lsseries pcm, ecm, electronics, and powertrain control systems. Actually, this car makes considerably more horsepower at the wheels than it would have at the crank in stock form, so it really makes way more than stock power and while there is no mod list, we know that the lsa v8 has at least been fitted with the ls9 camshaft. I want more of a rough erratic idle and big lift so its a lunati 286 for me. The cam is unknown, the build quality pistons are unknown, and one cam lobe is wiped, etc. Perfecting the art of performance for over 30 years.
First, we used comp cams camquest selection software to narrow the choices down. Baseline chassis dyno katech stage 2 ls1ls6ls2 cam katech c5r timing chain psi springs. Xtreme energy cams provide increased torque, vacuum, response, and power while still providing quiet operation of the valve train and the durability required in daily driven vehicles. So follow along with us as we examine how the closely paired specs of each cam.
But for the cost i would say that the comp would be the way to go, besides iirc that comp cams power range is 16006800, or close to it. Dyno tested camsheft theory if youre trying to pick a cam, fear not, weve pounded them all at one time or another on the dyno, and. Weve also got the valvetrain components you need to finish the engine, including lightweight components designed for highrpm performance. As the leading developer of high performance gen iii valve train technology. Dyno testing has shown the 228232 camshaft to make a solid 5055 rwhp gains with all other supporting bolton modifications in place. This is the video bryan sent me when he finished the engine. Jun 21, 2017 the dyno sheet at the end of the video includes three sets of numbers for this 2006 corvette, with the first two being stock numbers or 371.