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Topic: What does this hose do?

in Forum: C3 Engines


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What does this hose do?

Posted: 2/24/07 7:54pm Message 1 of 5
IR1976
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Hilliard, OH - USA
Joined: 11/2/2006
Posts: 23
Vette(s): 1976 Corvette, originally dark green, currently black with grey cloth interior. Very nice shape!

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The hose that runs from the air cleaner intake to the manifold (the two open holes)

What does it do?

Thanks!

Brian
IR19762007-02-24 19:55:18


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What does this hose do?

Posted: 2/24/07 8:05pm Message 2 of 5
ranger3
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North Charleston, SC - USA
Joined: 3/20/2004
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Vette(s): 1975 L48 AT AC T-top
It pulls blow-by back through the intake


What does this hose do?

Posted: 2/24/07 8:07pm Message 3 of 5
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Adams' Apple
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Duncanville, TX - USA
Joined: 11/8/2003
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Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
That is for the hot air intake. It's purpose is to let warm air into the intake when the engine is cold, and allow the engine to get to operating temp quicker.
There is a vacuum operated "flapper" valve on the top of the air cleaner that the hot air hose connects to. It opens and closes according to air temp. The air temp sensor is in the bottom of the air cleaner base, and has two hoses on it. One from the carb, or intake manifold, that supplies vacuum. The other goes to the "flapper" valve to open it.


                                    Adams' Apple2007-02-24 20:18:22


Joel Adams
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What does this hose do?

Posted: 2/25/07 8:06am Message 4 of 5
ranger3
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North Charleston, SC - USA
Joined: 3/20/2004
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Vette(s): 1975 L48 AT AC T-top
Sorry...my bad. Thanks for correctong me Joel. I was looking at the rubber hose and didn't read the text correctly. You are the Man. ranger32007-02-25 08:10:49


What does this hose do?

Posted: 2/25/07 8:55am Message 5 of 5
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lukesvette
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HOWELL, NJ - USA
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Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.
BTW, the the duct missing from your air cleaner to the air inlet by the radiator is a cheap and worthwhile investment to replace...Wink


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in Forum: C3 Engines


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