© 2020 COMP Performance Group. Stock L48 cam specs are: Intake: 195 Duration @ .050" , Lift .390" Exhaust: 202 Duration @ .050" , Lift .410" Lobe Separation 112 Hope this is some use to you--Reply . I really did not ask for the cam timing specs directly. 1973 Chevrolet Corvette Stingray 350-4 V-8 Turbo-Fire 250-hp Hydra-Matic (aut. Close choke by pushing upward on choke coil lever. ch_height = 60; The subsequent year, the L81 was the only engine available also. Dashpot Adjustment. Email. 69-70 350/350hp & 73-80 L82 Hydraulic Camshaft. ch_color_site_link = "0000CC"; Whether you are using this for racing capabiliti… Item #: EN-144 . Engine Suffix & Partial VIN - 1973 Z28 Technical Notes: Basic rpm range is 4000 - 6800; and compression ratio is 11.0 - 12.5. 1979 Corvette Specifications - 1979 Corvette Spec Sheet. I am sure if my question had been a litttle more pointed John would and could have cited the specs as he has done before. Chevrolet Corvette C3 350 L82 210hp Specs (1976 - ) Technical Specifications. COMP Cams® Hustler™ Valve Springs for GM 603/604 and CT525 LS-Based…, TCI® SFI 29.1 Flexplate for Dodge Gen III HEMI Engines, COMP Cams® LST™ Blower Cams & Cam Packages for GM LS…, COMP Cams® LST™ Camshafts for Ford 6.0L/6.4L Power Stroke Engines, Attitude Adjustment: Valve Lash for Power, FAST Tests XFI Sportsman in Lucas Oil Modified, FAST Announces Revolution Award For NSRA Events, TCI Shows Machined Flexplate Manufacturing. Chevrolet Corvette Stingray 350-4 V-8 Turbo-Fire 250-hp Hydra-Matic (aut. 3) specs. 1975 Corvette Specs “Here’s this year’s version of last year’s Best All-Around Car” boasts the 1975 Corvette sales brochure. 55-82 283/327/350 Timing Chain Cover Gasket Kit . 57-82 Hydraulic Engine Lifter Set (16) $69.99. Including 3896962 - 69-81 L46 / L82 Camshaft- Small Block Chevy- Flat Tappet Hydraulic. I am waiting for my block which is at Shavers Racing Engines. My original question was the L79 specs. With a baseline established it was time for the upgrades. Cam specs are APPROXIMATELY AS follows: Valve Lift (INT/EXH): .450/.461; Duration @ .050" (INT/EXH): 224 / 224; ADV Duration (INT/EXH): 291/287; Lobe Centerline (degrees): 114; Power Range (RPM): 1800-5200; This is the factory replacement cam for the 1973-'80 LT-1 and L-82 Corvette (OE #3896962). However there are many more considerations to be made about such a big decision that can make or “brake” a good engine build. Casting Number | Place cam follower on second step of cam next to high step. This particular small block is an L82, the performance 350 offered in the Corvette from 1973-1982, prior to the introduction of Chevys fuel injection engines. The L82 used a "modernized" version of the old 350HP cam, PN 3896962, with 222*/222* Duration @ .050"; .450"/.460" lift and 114* LSA. Speed Secrets: L82 Small Block Chevy Heads/Cam/Intake Upgrades! Engine Specs Type: V8 Valve Location: In Head Bore / Stroke: 4.00" / 3.48" (Standard, L82) Displacement: Standard, L82 Engines: 350 Cubic Inches (5.7 Liters) Compression Ratio: 8.2:1 (Standard Engine) 8.9:1 (L82 Engine) Cylinder Head Material: High Chrome Cast Alloy Iron Cylinder Block Material: Cast Alloy Iron Make sure this fits by entering your model number. Orders may take longer than usual to process due to manufacturers having issues receiving and shipping parts. ch_sid = "caminfo-468"; Cam specs: Hydraulic, Lift: .450/.460 (intake/exhaust), Duration: 346/360 (i/e), with 1.5 rockers. GM 5.3 Liter V8 EcoTec3 L82 Engine The L82 is a 5.3 liter, eight-cylinder engine from General Motors used in pickup trucks. Cylinder head Casting Symbol (double pyramid). Pingback: L82 5.3L EcoTec3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More - OnAllCylinders. The RHS heads not only offered more flow but also smaller combustion chambers. The cylinder head casting #'s differed, but the combustion chamber was … The Vette is the kind of car that brings out the driver in you. Run on the Dyno in the stock configuration with long tube headers it produced 313 HP @ 5,400 RPM and 355 Lb-Ft of torque @ 3,800 RPM. Even though the upgrade test conducted does include a camshaft and intake upgrade as well, the main focus is the role a good set of heads plays in making real power. 1973 Corvette Specs. Advertised Duration (INT/EXH) 270°/280°. The 68 cam shown may actually be a non-Corvette item. Show more Images Compare with another car. This “4 bolt mains” engine is very similar to the high performance L82 engine used in the Corvettes of that erra anyway. It featured a 9.0:1 compression ratio, cast iron 882 heads, and a Quadrajet induction system. With a curb weight of 3545 lbs (1608 kgs), the Corvette C3 350 L82 210hp has a naturally-aspirated V 8 cylinder engine, Petrol motor, with the engine code L82. The L82 had 2.02-inch valves and the L48 measures 1.94 inches. All Z28 blocks should be 4 bolt mains. 4 bolt main, suffix codes: CLJ, CLK, CLL, CLM, 2.02/1.6" Valves, 76.18cc, tapered spark plug, screw in studs & guide plates, symbol: vertical diamond, GM part # 3896962, Has oil shield, EGR, Intake Runners Numbered, Rochester Quadrajet 4BBL, Remote Automatic Choke, w/Automatic Trans, Rochester Quadrajet 4BBL, Remote Automatic Choke, w/Manual Trans, Single Point, Uniset contact, RFI shield, Vacuum, Lite Blue paint spot, 4 bolt main, suffix codes: CLK, CLJ, CMS, CMT, 2.02/1.6, 76.18cc, identical to 333882, except w/bigger valves, screw in studs & guide plates, symbol: vertical diamond, Identical to 1973, HEI after 1/74, Vacuum, Lite Blue paint spot. The guy at Isky said he didn't have the complete specs for that cam so if Al grinds them all the time I'll probably give him a call. The exhaust manifolds and the intake manifold were the same on the L48 and the L82. However, as the L82 peak torque is hit at about 1000 RPM higher than the L48 I wondered if part of the issue could be a poor match between the engine torque curve and the torque converter in the 350 TH transmission. The automatic … Chevy has released some more specifications on their cams with the .050" lift that is standard in the cam industry. ch_color_text = "000000"; Corvettes have always had a history of high performance. This heavy-duty COMP’s option will give your engine all the horsepower and torquethat you are looking for in one affordable package. The L82 used the same mufflers and tail pipes as the LS-4 big block. All aspects considered, these heads are a win, win, win. Pingback: L84 5.3L EcoTec3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More - OnAllCylinders
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