78 Air Intake Duct........
Thread Starter
Melting Slicks
Joined: Feb 2011
Posts: 2,840
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From: Tree City
78 Air Intake Duct........
Were all of the Air Intake Ducts that sit on top of the radiator and go into the air cleaner the same from 1976 to 1982? What about the L 48 engines? That is what I have. Thanks for any help.
Intermediate
Joined: Sep 2009
Posts: 40
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From: Greencastle PA
No there are slight variations. 1976 to 1978 L 48, engines used a single duct, not sure of the part number but i believe they are the same. 1978 L 82 and 1979 L48 and L 82, used the dual duct system, the duct on the radiator is GM # 472711. 1980 and 1981 again all used the dual duct system but the duct over the radiator is slightly different, GM part # 14016116. 1982 was totally different with all having throttle body injection.
Le Mans Master
Joined: Sep 2002
Posts: 5,228
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From: Myrtle Beach SC
No there are slight variations. 1976 to 1978 L 48, engines used a single duct, not sure of the part number but i believe they are the same. 1978 L 82 and 1979 L48 and L 82, used the dual duct system, the duct on the radiator is GM # 472711. 1980 and 1981 again all used the dual duct system but the duct over the radiator is slightly different, GM part # 14016116. 1982 was totally different with all having throttle body injection.
and have no reason not to...BTW...is that Corvette Kitty from the Myrtle Beach Corvette Club who ran around in a yellow 1977?
Intermediate
Joined: Sep 2009
Posts: 40
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From: Greencastle PA
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I've read that the fresh air snorkel adds 5hp to a vehicle. Not really sure if one snorkel or two would make any difference. There must have been something else going on between 78 and 79. Cam maybe? Carb difference?
