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Stock camshaft question

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Old Dec 30, 2003 | 12:19 PM
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Default Stock camshaft question
Anybody know what the durations @ .050" are for a stock 1977 L48 engine? OR where I can find this out?
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Old Dec 30, 2003 | 07:52 PM
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Default Re: Stock camshaft question (Boofers)
A stock L-48 cam has the following specs.

Lift IN: .390
Lift EX: .410
Lobe Seperation: 112 deg
Duration @ .050 IN: 195 deg
Duration @ .050 EX: 202 deg
Intake Opening @ .050 : 10.5 deg ATDC
Intake Closing @ .050 : 25.5 deg ABDC
Exhaust Opening @ .050 : 37 deg BBDC
Exhaust Closing @ .050 : 15 deg BTDC

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Old Dec 31, 2003 | 12:48 PM
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Default Re: Stock camshaft question (Pete79L82)
Thanks Pete
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