6.2l Ls1 - Crane Cams

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*This product is applicable only to pre-1966 California and pre-1968 federally certified passenger cars. It is also applicable to non-emission controlled trucks and similar vehicles. It is not applicable or intended for use on any emission controlled vehicles operated on highways or roads. Custom Grind Cams Also Available – Call 866-388-5120 or go to cranecams.com for ordering information CRANE VALVE TRAIN COMPONENTS See pg. 358 VALVE SPRING AND RETAINER KITS See pg. 337 VALVE SPRINGS See pg. 350 RETAINERS See pg. 362 VALVE STEM SEALS See pg. 360 VALVE STEM LOCKS See pg. 306 PUSHRODS See pg. 328 TIMING CHAIN AND GEAR ASSEMBLY See pg. 317 __ ALUMINUM ROCKERS __ GOLD RACE 144312-1 c 99831-16 e 99637-16 g 99818-16 k 99108-1 l 144621-16 n 144984-1 *q 144750-16 s 144311-1 d 144833-16 f 99657-16 h 99107-1 m 144622-16 o 144985-1 *r 144759-16 t 144944-16 i 95627-16 p 144661-16 j 144312-1 c 99831-16 e 99637-16 g 99818-16 k 99108-1 l 144621-16 n 144984-1 *q 144750-16 s 144311-1 d 144833-16 f 99657-16 h 99107-1 m 144622-16 o 144985-1 *r 144759-16 t 144944-16 i 95627-16 p 144661-16 j 144312-1 c 99831-16 e 99637-16 g 99818-16 k 99108-1 l 144621-16 n 144984-1 *q 144750-16 s 144311-1 d 144833-16 f 99657-16 h 99107-1 m 144622-16 o 144985-1 *r 144759-16 t 144944-16 i 95627-16 p 144661-16 j 144312-1 c 99831-16 e 99637-16 g 99818-16 k 99108-1 l 144621-16 n 144984-1 *q 144750-16 s 144311-1 d 144833-16 f 99657-16 h 99107-1 m 144622-16 o 144985-1 *r 144759-16 t 144944-16 i 95627-16 p 144661-16 j 144312-1 c 99831-16 e 99637-16 g 99818-16 k 99108-1 l 144621-16 n 144984-1 *q 144750-16 s 144311-1 d 144833-16 f 99657-16 h 99107-1 m 144622-16 o 144985-1 *r 144759-16 t 144944-16 i 95627-16 p 144661-16 j 144312-1 c 99831-16 e 99637-16 g 99818-16 k 99108-1 l 144621-16 n 144984-1 *q 144750-16 s 144311-1 d 144833-16 f 99657-16 h 99107-1 m 144622-16 o 144985-1 *r 144759-16 t 144944-16 i 95627-16 p 144661-16 j 144312-1 c 99831-16 e 99637-16 g 99818-16 k 99108-1 l 144621-16 n 144984-1 *q 144750-16 s 144311-1 d 144833-16 f 99657-16 h 99107-1 m 144622-16 o 144985-1 *r 144759-16 t 144944-16 i 95627-16 p 144661-16 j a For use with standard GM alignment bars and standard base circle camshafts. b For use with standard GM alignment bars, long travel design for up to .715”valve lift and reduced base circle camshafts. c Contains 99831-16 single valve springs, 99637-16 titanium retainers, 99818-16 valve seals, 99108-1 valve locks. d Contains 144833-16 dual valve springs, 144661-16 titanium retainers, 144660-16 spring seats. 99818-16 valve seals, 99108-1 valve locks. e Single ovate wire beehive valve springs. f Dual valve springs, requires Crane 144944-16 or 144661-16 retainers, no machining required. 2002-up cylinder heads will require Crane 144460-16 spring seats. g Titanium, for 99831-16 single valve springs. h Titanium, for 99831-16 single valve springs, requires Crane Multi Fit valve locks. i Steel, for 144832-16 dual valve springs. j Titanium, for 144832-16 dual valve springs. k No machining required. l Machined steel, heat treated. Section Continued m Machined steel, heat treated, Multi Fit. n Pro Series one-piece, stock length. o Pro Series one-piece, for use with Crane aluminum rocker arm kits (included in 144750-16 and 144759-16 kits). p Pro Series one piece, stock length -.050”. q Performance steel billet gears and roller chain set, with vernier adjustment (will not fit LS2). r Performance steel billet gears and double roller chain set, three bolt, for LS2. s 1.7 ratio, 3/8”stud, complete kit includes rocker arms, adjusting nuts, pushrod guideplates, rocker arm studs, and pushrods. t 1.8 ratio, 3/8”stud, complete kit includes rocker arms, adjusting nuts, pushrod guideplates, rocker arm studs, and pushrods. 866-388-5120 • 386-236-9983 FAX 99
CAMSHAFTS Chevrolet V-8 97-10 100 Application Hydraulic Roller Camshafts Weekend driver, for modified 5.7L thru 6.0L, choppy idle, upgraded cylinder heads and valvetrain required, headers and aft cat exhaust required, 11.5+ compression ratio advised, low ratio gearing required, auto trans w/3200- 3600 stall converter, computer upgrades required. Weekend driver, for modified 5.7L thru 6.0L, choppy idle, upgraded cylinder heads and valvetrain required, headers and aft cat exhaust required, 11.0+ compression ratio advised, low ratio gearing required, auto trans w/3200- 3600 stall converter, computer upgrades required. Weekend driver, for modified 5.7L thru 6.0L, choppy idle, upgraded cylinder heads and valvetrain required, headers and aft cat exhaust required, 11.0+ compression ratio advised, low ratio gearing required, auto trans w/3200- 3600 stall converter, computer upgrades required. Weekend driver, for turbocharged 5.7L thru 6.0L, choppy idle, upgraded cylinder heads and valvetrain required, headers and aft cat exhaust required, low ratio gearing required, auto trans w/3200-3600 stall converter, computer upgrades required. Weekend driver, for modified 5.7L thru 6.0L, rough idle, upgraded cylinder heads and valvetrain required, headers and aft cat exhaust required, 11.5+ compression ratio advised, low ratio gearing required, auto trans w/3400- 4000 stall converter, computer upgrades required. Weekend driver, for modified 5.7L thru 6.0L, choppy idle, upgraded cylinder heads and valvetrain required, headers and aft cat exhaust required, 11.5+ compression ratio advised, low ratio gearing required, auto trans w/3600- 4000 stall converter, computer upgrades required. Weekend driver, for modified 5.7L thru 6.0L, choppy idle, upgraded cylinder heads and valvetrain required, headers and aft cat exhaust required, 11.0+ compression ratio advised, low ratio gearing required, auto trans w/3200- 3600 stall converter, computer upgrades required, good w/1.8:1 ratio rocker arms. Pro Street & Drags, for modified 5.7L - 8.0L, rough idle, upgraded cylinder heads and valvetrain required, headers and aft cat exhaust required, 12.0+ compression ratio advised, low ratio gearing required, auto trans w/3600- 4400 stall converter, computer upgrades required. Camshaft Series/ Grind Number RPM range shown is for average usage. These cam profiles will RPM higher, depending upon application. IMPORTANT NOTE: Crane Hydraulic Roller Cams offer tremendous power, torque and RPM potential. Due to their RPM capability and increased valve travel, it is HIGHLY RECOMMENDED that the appropriate Crane valve train components be installed for maximum performance and reliability. NOTE: 1997-up Chevrolet 5.7L LS1/LS6, 1988-99 305 and 350V-8 (and some 1987 350V-8) engines, and the 1957-87 262-400 V-8 engines, each use different configuration camshaft cores, and cannot be interchanged. Since 1975, General Motors divisions have exchanged engines throughout different models. Be certain of exactly which engine you have before ordering. Crane Cams offers many different cam lobe profiles for the GM“LS1/ LS2/LS6 Engine Family”.These hydraulic roller cams are designed for applications ranging from mild street performance upgrades, serious torque and HP increases for trucks, 4.8 - 5.3 - 5.7 (346) - 6.0 - 6.2L LS1, LS2, LS3/L92, LS6 (also 99-10 Vortec 4800, 5300, 6000, 6200) RPM POWER RANGE HR-228/353-2S1-12 2400- 6500 HR-228/353-2S1-14 2A 2400- 6500 HR-228/347-2S-15 0A 2400- 6500 HR-232/353-2SR-17 2A 2600- 6400 HR-232/353-2S1-12 4A 2900- 6500 HR-232/353-2S1-14 2900- 6500 HR-232/3241-2S1-17 3A 2600- 6600 HR-232/353-2S-10 0A 2900- 6600 Camshaft PART NUMBER/ Emissions Code See pg. 294 LIFTERS CRANECAMS.COM COMPLETE CAM SPECIFICATIONS Degrees Duration @ .050” Int/Exh. Advertised Degrees Duration Int/Exh. Degrees Lobe Separation Open/Close @ .050” Cam Lift Int/Exh Lash Hot Int. Exh. Gross Lift Int. Exh. 1449601 * 144536-16 b 228 290 112 7 41 .000 .600 232 294 53 (1) .000 .600 3 1449151 * 144536-16 b 228 290 114 2 46 .000 .600 232 294 52 0 .000 .600 3 1449161 * 144536-16 b 228 283 115 (2.5) 50.5 .000 .590 236 291 51.5 4.5 .000 .590 3 1449171 * 144536-16 b 232 294 117 1 51 .000 .600 228 290 53 (5) .000 .600 3 1449181 * 144536-16 b 232 294 112 8 44 .000 .600 236 298 54 2 .000 .600 3 1449331 * 144536-16 b 232 294 114 7 45 .000 .600 236 298 57 (1) .000 .600 3 1449191 * 144530-16 a 232 294 117 2 50 .000 .551 144536-16 b 240 302 60 0 .000 .551 3 1449201 * 144536-16 b 232 294 110 6 46 .000 .600 240 302 50 10 .000 .600 3 to all-out competition profiles for LS1 powered race cars. Crane’s LS engine family’s grinds are designed to take optimum advantage of the LS1/LS2/LS6’s lighter valve train and greated reduced component inertia.This low inertia allows extraordinarily quick valve acceleration rates.This actually increases the“area beneath the lift curve”in each profile. Simply put, they begin moving the valve off its seat at a much quicker rate, to initiate earlier flow.The profiles retains and lengthens this rate of acceleration during the valveopening cycle and as it approaches maximum valve lift.They function like a much“bigger”cam (greater duration) yet they increase low-end and mid-range torque in the most often used rpm range. Peak horsepower and torque output are enhanced throughout the entire rpm range.The valve lift tables were also designed to minimize horsepower-robbing harmonic frequency pulses when matched with the recommended Crane valve springs and pushrods. Crane Cams are absolutely the most powerful performance cams available today, and represent the very latest in cuttingedge cam design and valve train technology for the Chevy LS1/LS2/LS6 engine family in Camaros, Firebirds, the Pontiac GTO (2005), Corvettes, and Chevy and GMC trucks.
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6.2l Ls1 - Crane Cams

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