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10-02-2008, 07:22 AM
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#1 |
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Registered User
Join Date: Apr 2008
Location: spijkenisse netherlands
Posts: 10
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Chevy Suburban 1978
So I have a question!
Can anyone tell me what this is (see pictures) and if it is possible to remove it from the engine/exhaust? Greetz Jo   
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Chevrolet suburban 1978 454 Trailering Special |
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10-02-2008, 09:17 AM
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#2 |
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Member Dude
Join Date: Aug 2003
Location: reno,nv,usa
Posts: 191
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Re: Chevy Suburban 1978
second pick is a temp controlled vacuum lines i think. dont have that stuf in my burb. not sure about the first pick, maybe a vent or some kind of smog crap.
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10-02-2008, 11:28 AM
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#3 |
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Magnificent bastard
Join Date: Oct 2004
Location: Glendale, AZ
Posts: 196
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Re: Chevy Suburban 1978
Last pic is the thermo-controlled vacuum valve. It's supposed to block vacuum to the distributor when the engine is cold.
First two pics, I have never seen that thing before... Where does the other end go to? Fuel tank or transmission, maybe?
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1977 Big Block Burb |
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10-02-2008, 11:39 AM
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#4 |
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Registered User
Join Date: Jul 2004
Location: Spanish Springs, NV
Posts: 1,171
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Re: Chevy Suburban 1978
I took both off my 80. No problems.
First pic is an EFE valve. Emissions item designed to route exhaust gases to the base of the carb. - Dave
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2003 Silverado K1500 Z71 - Arrival Blue 1973 K5 Cheyenne Blazer 350/TH350/NP203 Kids Trucks:92 K1500 Blazer 5.7/700R4 4" lift. RETIRED: 1980 Scottsdale 4x4 Founding Member: "TILT WHEEL BELLY." Club |
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10-02-2008, 12:09 PM
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#5 | |
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Low & Fast!
Join Date: Jan 2007
Location: Knoxville, TN
Posts: 3,110
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Re: Chevy Suburban 1978
Quote:
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