Effective plate pressure is 2100-2300 lbs. The L48 350-cubic-inch V-8 engine was a base power plant produced from 1967 to 1980. While the 30-30 cam does use recommended lash settings upward of .030-inch for both intake and exhaust, the Duntov camshaft uses a much tighter recommended lash of 0.012-inch and 0.018-inch for intake and exhaust. Judged on specs alone, the drop in cam timing was pretty significant. Gen 3 LS: Year Part # Duration* Valve Lift LSA. I know what it is for the L86/LT1 6.2 engines since they share the same P/N. With our truck cams, we’ve stayed with our proven low-lift cam design. If it's a GM piece I would sell it, buy a aftermarket and pocket the differance. The 327 by Chevrolet was produced from 1962 to 1969. to compare it to the other roller cams in Jegs or Summit. / 254 exh. How is it measured? 1965 Chevrolet Corvette Sting Ray Convertible L84 327/375 HP The L84 was the most powerful 327 availble for the 1965 Corvette thanks to its Ram-Jet Fuel Injection which was an expensive $538 option. The specs are for a stock L-48 cam, so I don't know if they're identical to what you have in your '74 or not. The base Corvette game with a 327ci V8 that outputs 250 horsepower and 350 lb-ft of torque. These are extremely versatile camshafts with a big cam idle, but a very reasonable RPM range (2,750rpm and up) for street fun. at 4,000 rpm, and 375 hp at 6,200 rpm with 350 ft-lbs. Dyno Results: Camshaft Part # 12-242-2: Designation: XE268H-10: Duration @ 0.006": 268° / 280° Duration @ 0.050": 224° / 230° Max Lift w/ 1.5RR: .477" / .480" 1963 Corvette Powertrain Specifications. In 1963 Corvette stepped out with a new and exhilarating look, the Corvette Stingray. But I figure variable valve timing shifts it to produce better torque at lower speeds, higher HP at mid range to higher speeds, etc. Basic operating RPM range: 2,800-6,800 RPM Camshaft style: GM #3849346 mechanical flat tappet Duration (@ 050 inch lift): 254 int. Release bearing has sealed-in lubricant. Both engines powered the Chevrolet Corvette and Camaro. Two sparkling new models, both positioning the way to a classic new concept in American sports car design, were introduced this year. Camshaft Material: Cast Alloy Iron Oil Pump Type: Gear Normal Oil Pressure 35 psi @ 2,000 RPM Oil Pressure Gauge Electric Crankcase Oil Capacity, Standard and L75 Engines 4 Quarts, Less Filter 5 Quarts, With Filter Crankcase Oil Capacity, L76 and L84 Engines 5 Quarts, Less Filter 6 Quarts, With Filter Duration was advertised as 326 degrees on the intake, while the exhaust breathed a bit longer at 334 degrees. Since you said 195 HP, I'm assuming it is the same engine. 2005 Chevy 4x4 2500HD LS, 4 door, crew cab 6.0 liter 4.10 gears Power numbers for this new L8T are advertised as 401 hp at 5,200 rpm, while torque is up to 464 lb-ft at 4,000 rpm. No matter. PART NUMBER 12561721 116 LDA 115 INTAKE CENTERLINE. Duration (advertised): 346 int. But … Lift at the valve was .540 and .560-inches for the intake and exhaust respectively. This camshaft will not work with the latest small block Gen III engines such as the LS1. As a result, it is very important that we do not release the entire specs of each 5.3L L83 camshaft. We decided to give Isky a shot at the cam specs for our little 5.3L. They are designed to increase horsepower and torque in your LT4. That's a great cam. Kevin . All of our Direct Injected camshafts incorporate a larger fuel lobe, going with the informal industry standard of 32% larger. Before the Gen III engine design was phased out from the 5.3 L Vortec offering, the L33, marketed as the high output version, was reaching 310 horsepower and 335 lb-ft of torque. Corvette LS1 97-98 12554710 199/207 .472/.479 117 98-99 12560964 199/207 .472/.479 117 2000 12560968 198/209 .500/.500 115.5 01-03 12561721 196/207 .467/.479 116. at 4,600 rpm. Lunati camshafts are ground to provide maximum performance and are designed to be installed to the specifications listed on the cam card. We’ve specifically ground these cams to utilize our GPI Phaser Plugs (in either a 4° or 0° block-out). That's all, this way I can compare the lift of the stock cam, vs. the aftermarkt cam. A cam with a 107 degrees intake lobe centerline will actually be centered at 103 degrees ATDC when installed 4 degrees advanced. The bad news is the SAE certified horsepower and torque will match 2018s numbers exactly. The 5.3L V8 L82 engine has a lot in common with the 5.3L V8 L84 (second-gen EcoTec3), which succeeds the 5.3L V8 L83 (first-generation EcoTec3). That's probably why it needs 11.0 to 1 pistons. Zane Merva Executive Editor, GM-Trucks.com 5/18/2018 As it turns out, the leaked figures for the 2019 5.3L and 6.2L V8 engines wasnt far off. For 1964, Chevy kept the same lineup of 327s, but increased the output of the two most powerful versions. The LLT3 VVT camshaft is designed for the enthusiast that wants to take their truck or hotrod to the next level. Nor can I vouch that these are in fact the correct specs--I copied them from some source that I no longer recollect. Cam Specs: 22x/23x .55x/.55x 113+8. Although the name of the first owner is not known, it is clear that this Corvette was ordered with an eye for both performance and aesthetics. I'm looking for the cam specs for my L83, P/N - 12619823. The engines of the following year had the same specifications. This Milano Maroon coupe with a build date of April 30, 1965, was delivered new to Bryner Chevrolet in Jenkintown, PA. The +32% fuel lobes are recommended for any setup that is running a power-adder. They developed 365 hp at 6,200 rpm with 350 ft-lbs. I was wanting to know the cam specs. The L88 used the same solid lifter camshaft profile for all three years. PRODUCTION 2001 6.0L TRUCK AND 5.7L LS1 CAR CAMSHAFT. Find Chevrolet Performance 24502586 Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts and get Free Shipping on Orders Over $99 at Summit Racing! Engine parts and information for the Chevy 327 V8 such as horsepower and firing order. The 30-30 cam offered 0.485 lift and 254 degrees of duration (measured at the now industry standard of 0.050). / 346 exh. LT4 Hot Cam Specs: GMPP LT4 HOT CAM KIT (P/N 12480002) INSTALLATION INSTRUCTIONS: APPLICATIONS The hot camshaft is designed for all hydraulic roller camshaft small block engines produced from 1986 to present including the Gen I, Gen IE, and Gen II variety. Thats the good news. The L82 350 was a performance version of the base 350 and manufactured between 1973 and 1980. The 0.447-inch valve lift did not make for record-setting top-end 4th-gear power like the 1965 RPO L76 (365 hp) and L84 (375 hp) 327s had with their "30-30" solid lifter cam. Truth be told, Chevy offered a number of great mouse motors, the most powerful being the 370-hp LT1 350 and the 375-hp L84 (Fuelie) 327, also available as carbureted, 365-hp L76. 5.3 Vortec Performance Specs The original 5.3L Vortec, the LM7, produced 270 horsepower and 315 lb-ft of torque. GM LS Cam Specs. 1964. Learn More. 12629512.551/.524 1.8:1 Rockers 200*/207* LSA 116.5 I've searched everywhere and can't believe this information is unavailable. 1964 C2 Corvette 1964 C2 Corvette Overview. @ 4,100 rpm Performance Specifications: Compression Ratio: 11:1: Horsepower Rating: 355-380 hp @ 5,600 rpm: Torque Rating: 383-416 ft.-lbs. The 30-30 cam is a solid lifter performance camshaft, but is an entirely different camshaft altogether from the “097” Duntov cam. Real GM 3849346 cams are worth some money. The RPO-knowledgeable may question why the horsepower is down compared to the smaller 6.2L L86 engine, which for example, is rated at 420 horsepower and 460 lb-ft of torque. All of the specs for the EcoTec3 L84 Engine have not been released yet, however, below are web links comparing the two engines: GM 5.3 Liter V8 EcoTec3 L83 Engine ( Vehicle Applications: 2014-2018 Chevrolet Silverado, 2014-2018 GMC Sierra ) The L48 was standard equipment on the Corvette from 1975 to 1980. The dry disc clutch is of the centrifugally assisted diaphragm spring type with a driven disc diameter of 10 inches and an area of 90.7 square inches. The 1964 Chevy Corvette was greeted with as much enthusiasm as its 1963 counterpart had been the year before.. With the monumental success that Chevrolet had experienced after the introduction of its second-generation Corvette Sting Ray. Anybody have the specs on the cam? GM executives understood that the C2‘s sophomore year would require little more than continued … 365 Horsepower (RPO L76) Engine, 375 Horsepower (RPO L84) Engine: Mechanical Camshaft Material: Cast Alloy Iron Oil Pump Type: Gear Normal Oil Pressure 30 - 45 psi @ 1,500 RPM 50 - 75 psi @ 2,000 RPM Oil Pressure Gauge Mechanical Crankcase Oil Capacity, Standard and L75 Engines 4 Quarts, Less Filter 5 Quarts, With Filter Aside from the "juice" cam, it was a mechanical copy of the Corvette's L76 and shared the same forged 11.1:1 pistons, 585-cfm 4150 series Holley four-barrel, aluminum … Information and engine specs on the Chevy 327 V8. Heres the specs. If you have additional questions about sizes & recommended use please give us a call! These LT4 Hot Cams from Chevrolet Performance are direct replacements for your stock LT4 hydraulic roller cam. High overlap cams produce power at higher rpms but "kill" compression by their nature. Upgrading to the L75, L76, or L84 V8 would up horsepower to 300, 340, or 360 horsepower respectively, with … Now remember, if the LS9 was already better than the stock 5.3L LM7 cam by 50-60 hp, and the Summit Stage 4 just added another 50 hp to the mix, this means you 5.3L guys with stock cams …

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