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#4
08-09-2006, 10:22 PM
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Re: LS6 Cam Shaft #3904366
I just traded 2 NOS 3863143 camshafts for the correct original LS-6 camshaft, 3904362. Was still in the original container, it is stamped 3904362 and nothing else on the end, with the original paint marks. Camshaft was purchased by parts manager person in 1976.
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2 1971 LS-6 Corvette coupes (Duntov's last stand) 
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#5
08-10-2006, 04:12 AM
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Re: LS6 Cam Shaft #3904366
What is the difference between the 143 L-78 Cam and the 362 LS-6 Cam? I thought they had basically the same lift and duration?
Paul
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70 Camaro LA Z-28 03B Citrus Green LT-1 M-40 3.73's 69 Camaro X-77 Z-28 10C Cortez Silver M-21 3.73's Deluxe Project X - SOLD 69 Camaro X-77 Z-28 01B Garnet Red w/Black top, M-20 3.73 Deluxe Houndstooth
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#6
08-10-2006, 06:48 AM
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Re: LS6 Cam Shaft #3904366
According to Chevrolet records:
Cam #143 has: *Lift-.497/Intake & .503/Exhaust *Duration-348/Intake & 348/Exhaust...dated 1965 Cam #362 has: *Lift-.520/Intake & .520/Exhaust *Duration-316/Intake & 302/Exhaust...dated 1970 Both of these Cams are Mechanical lifter w/1.70 rocker ratio.
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#7
08-10-2006, 09:48 AM
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Re: LS6 Cam Shaft #3904366
In addition to what mr70 stated, 3863143 is correct for 1965 396/425hp and 1966 427/425hp. 3904362 is correct for 1967 427/435hp, 1968 427/435hp, 1969 427/435hp, & 1971 454/425hp, of course these are Corvette applications I'm listing here.
__________________
2 1971 LS-6 Corvette coupes (Duntov's last stand)
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