Details. Tow Hitch. No springs are required. Quick idle of my 6.0 turbo Silverado with the summit 8706 stage 2 turbo cam. There were seven Gen. 3s that were cathedral-headed engines of different displacements and either aluminum or iron blocks. Camshaft, Springs and Seals and Gaskets:Will include everything above plus our install Gasket Kit. We have a little secret to tell you. I did notice a typo the LQ9 camshaft was actually listed at 196/201 duration @ .050 in. Lift seems right. This muddies the waters and can compromise performance. Run with a factory LS9 cam, the 5.3L combo produced 428 hp at 6,200 rpm and 400 lb-ft (399.9). Thanks for putting this together. Sum-8713 or 14 caught my eye. It makes much better torque and power across the entire RPM range. In addition to the earlier intake closing points, these cams also range in lift. 240/242 Dur, 116+4, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0 Part Number: SUM-8723-2-BHV Not Yet Reviewed Estimated Ship Date: Today Ground Free Shipping $568.93 Add To Cart Compare Wish List If you were less concerned about maximum power and more about having 450 hp with a dead-smooth idle and optimized drivability, the factory Gen 3 LQ4 camwould be the obvious choice. ( 3 ), Estimated USA Ship Date: Copyright 2023 by AUTOSALES, INCORPORATED (See our LS engine spotters guide here.) of seat pressure. Additionally, if you are working on a Gen IV LS with a cam gear retained by a single bolt (early Gen IV and all Gen III use a more traditional 3-bolt cam gear retention) you will need to convert to a3-bolt cam gearto install these Elgin cams along with newcam gear retaining bolts. At this time, the motor will idle for a short amount of time and needs throttle to start. Run with a factory LS9 cam, the 5.3L combo produced 428 hp at 6,200 rpm and 400 lb-ft (399.9). Duration @ .050": 228/230. The cam was teamed with a suitable valve spring upgrade consisting of 26526-16 (dual) springs. It includes the front timing cover gasket, timing cover damper seal, water pump gaskets and damper bolt. Your email address will not be published. Sat 4:00 PM. Help! Why get a sketchy eBay part, especially for something as important as the cam? Results 1 - 25 They wont lug or surge, and are designed to maintain part-throttle efficiency. Cams are generally listed by duration, lobe separation, and advance. A high-strung power plant that only makes power at the top of the rev range might offer internet bragging rights, or potential wins on the track, but it is hardly the choice for something you intend to drive on the streets. This spring also increases seat pressure to 130 lbs. ( 5 ), Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 268/280, Lift .477/.480, Chevy Small Block, 4.56 out of 5 stars ( 10 ), Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 270/278, Lift .495/.500, Chevy, Small Block, Kit, 4.33 out of 5 stars Duration: 283/286 Duration @ .050": 228/230 Lift: .585/.585 Lobe Separation: 112 LC 2200-7000, great mid range torque and power. Any help here ? [] Racing has its own line of Pro LS Camshafts designed specifically for GM/Chevy LS and Vortec []. Jul 3, 2023 238/234 117+5, .625/.600 Lift, 2 deg. This is mudbogger running on 225ft track. Chris, congratulations on your purchase. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, SUM-8724 Level 2 Cam Kit, Dual Springs, Ti. Need a refresher on the valve events? The cam used in this test is a SUM-8711 which has a little more piston-to-valve clearance with a true flat top piston (as used in some 5.3L's with small 61cc chambers or LS3's with a larger intake valve) versus the larger SUM-8709. Check out Richard Holdener's testing of both. 12K cash! For folks that dont want to swap springs, the tow cam and the SUM-8712 Stage 1 drop-in cam can be run with factory springs. For race/ off road use or for use on pre-1966 vehicles. With the Summit Pro LS Stage 4 cam, the peak power numbers jumped to 568 hp at 6,700 rpm and 510 ft.-lbs. Duration: 283/286. They are normally aspirated with a turbo hot street/strip profile. (201), In Stock, Including at a Supplier. Acceleration is maximum average horsepower through the rpm range. Summit Racing really did their homework with these grinds. Detailed spec charts for every Pro LS Camshaft are listed in the continuing story below. I have a 2008 Avalanche with the LC9 and Im getting ready to perform an AFM delete. For comparisons sake, the 4.8 and 5.3 engines started with cams around 191 at .050 while the 6.0s were closer to 196 at .050. exhaust lift. Have 2004Ls1 with350turbo trans. Jun 15, 2023 Automotive cams had a larger range. 234/238 Dur., 115+5, .625/.605 Lift, 3-bolt, SUM-8723 Level 2 Cam kit, Dual Springs, St. Ret. The Stage 3 cam allows you to mill the heads for more compression. Theyre also designed to clear the LS3s true flat-top pistons with minimum hassle. of 339, Camshaft, Stage 2, Pro LS Turbo Cam. 2,800-3,000 Converter recommended. Cars are lighter than trucks with deeper gears, more converter. Summit Racing Pro LS Turbo Camshaft The Summit Racing Stage 2 turbo cam stands alone thanks to a totally unique design. For starters, due to the increased lift of the Elgin camshaft Sloppy Stage 2 a valve spring upgrade is required. Cam and Lifter Kits at Summit Racing Filter Results by Vehicle Search New Vehicle Sort Sort By Default Sort Product Line (a-z) Product Line (z-a) Price (low-high) Price (high-low) New Arrivals 25 Records Per Page 50 Records Per Page 100 Records Per Page Home Camshaft Kits Product Results Filter by Vehicle Search New Vehicle Filters The lift increased by roughly .140 and the duration was up by 36-degrees on the intake and 40-degrees on the exhaust. The lack of actual spring requirements for these cams is frustrating. Power moonroof. If you don't mind, please expand on your recommendation. These cams will pull cleanly to 7,000+ rpm with as little as 150 pounds at the seat and 400 pounds of open spring pressure. May 11, 2023, Cam Kit, Hydraulic Flat Tappet, Advertised Duration 280/280, Lift .480/.480, Chevy, Small Block, Kit, 5.0 out of 5 stars I have a custom tune ,got rid of factory set backs, firmed up shifts, added timing everywhere, good gas, set 1-2 shift @6300( 200 rpm up from old custom tune). Estimated International Ship Date: 2 Customer Reviews. The Stage-4 cam offered four extra degrees of intake duration (234 vs 230 degrees), 12 degrees of extra exhaust duration (247 vs 235 degrees) and 1 degree tighter LSA (113 vs 114) over the Comp cam. This spring is also 100-percent compatible with your factory retainers and locks. This would be compatible with both 32 bit and 64 bit windows. Summit Racing Buy Tickets. Nugget Ballroom At Nugget Casino Resort, Sparks, NV. Looking for a mild grind cam for A 1962 , 261 cu Inch straight six . Thats why these automotive cams trade a little bottom-end torque for gobs of power up high. The earlier you open the intake valve, the lopier the idle gets. ( 1 ), Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/297, Lift .479/.465, Chevy, Small Block, Kit, 4.77 out of 5 stars May 9, 2023 Summit Racing Pro LS cams take the guesswork out of choosing the perfect cam. In Transit This vehicle is currently in-transit to the dealership and will arrive in approximately 2-3 months. Maximum spring lift .660 The Summit Racing Pro LS Camshafts lineup includes: Summit Racing-brand parts are designed to be budget-friendly alternatives to other options without sacrificing quality and performance. As High As You Can: This Blazer Went Stargazing At Byron! The Stage 2 cam offered a sizable increase in specs, jumping to a .605/.598 lift split, a 226/231-degree duration split and 113-degree lsa. Preview(s): Gallery. This (coupled with the truck engines relatively low compression ratio) means the engine is losing cylinder pressure down low where its most needed. intake and .575 in. If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. Please note that Checkout Prices will be in US Dollars. Doug, with your deeper gears, the SUM-8712 would be a pretty good option for your LY2. Remove the negative timing from the ECT spark correction table for warm up, you don't need it pulling 5-8 degrees. Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. It has a steady lope and tunes well with a minimum of hassle. RCBS Summit Single Stage Press w/ 2 Mounting Holes NEW! Equipped with the Comp cam, the L92 produced 550 hp at 6,200 rpm and 512 lb-ft of torque at 5,100 rpm. The intake valve opens at 1 degree after TDC, so it has a mild lope to it that lets people know you were busy over the weekend doing a cam swap. One way to think of this trade-off is adding duration, though, as previously discussed, Summit Racing is being more specific with the valve events. May 2, 2023, Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 279/297, Lift .479/.465, Chevy Small Block, 4.37 out of 5 stars Lets talk about what makes a LS9 cam the wrong decision (even though it adds another 60+ hp to a 5.3L). Almost went with the Summit Stage 2 cam. Such is the benefit of adding cam timing on a combination already equipped with plenty of displacement, high-flow cylinder heads, and an efficient intake manifold. These are designed to be easy on the valvetrain. It makes a lot of midrange and is designed to be used with LS6 springs. The lobes are stable to 7,000+ RPM with .600 in. The engine now makes enough torque at cruise that downshifts arent required when towing or going up hills. SS Camaro manifold free flow mufflers exiting in front of rear tire. The TFS cam (PN 30602003) offered .585-inch lift (intake and exhaust), a 228/230-degree duration split, and 112-degree LSA. of open pressure to increase the rpm range without being hard on the factory valvetrain. It also works well as a high-lift version of the SUM-8714 Stage 4 truck cam. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. The Sloppy Stage 2 Camshaft is a cam with a fairly aggressive profile. ( 26 ), Estimated USA Ship Date: Check out this tour of the factory making the Pro LS Camshafts. Summit Racing Pro LS Camshaft & Spring Kits SUM-8723-2-BHV SUM-8723 Level 2 Cam kit, Beehive Springs, Gaskets, Stage 4 Pro LS Twin-Turbo Cam. Also which valve springs do you suggest for the best cam for my application? 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