Missing secondary linkage rod...help please!
09-14-2000, 09:14 PM
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Missing secondary linkage rod...help please!
ok, so I put some headers and a complete exhaust on my 85 LG4. I take it for a test ride and it misses like crazy when I romp on it. So, I took it to my buddy who is a mechanic and told him to look at it. He said that my secondary linkage rod on the passenger side of the carb was gone. He also says that is why I am getting a bog followed by miss firing when i get on it. So I am writing to ask:
1.) can anyone relate to this problem?
2.) does anyone have an LG4 or L69 carb that would be willing to part with their secondary linkage rod? (for a price of course)
1.) can anyone relate to this problem?
2.) does anyone have an LG4 or L69 carb that would be willing to part with their secondary linkage rod? (for a price of course)
09-14-2000, 11:54 PM
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Car: was: 1984 Camaro Z28
Engine: was: L69
Transmission: was: 700-R4
Just go to a junkyard and pull one off, and get some extra rods and hangers while your at it. 
Most Q-Jets parts are the same.
------------------
George P. Lara
1994 Z28 LT1 T56
1984 Z28 High Output
Member: SCCA, SCFB, SC3GFB
Most Q-Jets parts are the same.------------------
George P. Lara
1994 Z28 LT1 T56
1984 Z28 High Output
Member: SCCA, SCFB, SC3GFB
09-15-2000, 12:41 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Sounds like you're talking about the rod to the choke pull-off. You can live without it, and perhaps you didn't have a problem until you improved your engine's breathing with the headers.
Tighten up the secondary AV tension a bit at a time, test driving between adjustments, until the bog/misfiring goes away. Without the rod, you're putting the control of the AV purely on the spring tension, instead of being dependant upon the release rate of the pull-off. That isn't all bad.
------------------
82 Berlinetta, orig V-6 car. Rescued w/86 LG4/TH700R with all harnesses, sensors, ECM, etc. 3.08 open, cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LB9 w/ZZ3 cam, World 305 heads, exhaust, paint, etc.).
57 Bel Air, my 1st car. Currently 396 .030 over, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" headers, TH400 w/TCI Sat Night Special conv & shift kit, 3.08 10-bolt, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere. Daily driver while Camaro was being put together.
Tighten up the secondary AV tension a bit at a time, test driving between adjustments, until the bog/misfiring goes away. Without the rod, you're putting the control of the AV purely on the spring tension, instead of being dependant upon the release rate of the pull-off. That isn't all bad.
------------------
82 Berlinetta, orig V-6 car. Rescued w/86 LG4/TH700R with all harnesses, sensors, ECM, etc. 3.08 open, cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LB9 w/ZZ3 cam, World 305 heads, exhaust, paint, etc.).
57 Bel Air, my 1st car. Currently 396 .030 over, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" headers, TH400 w/TCI Sat Night Special conv & shift kit, 3.08 10-bolt, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere. Daily driver while Camaro was being put together.
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