Bowtieboy28
09-08-2002, 10:48 AM
ok so i just got my 82'Z back after not having it for 2 years (it was at my grandparents house) anyway it was recently tuned up and shipped here the the only problem, and it's kinda a big problem, is that it idles REALLY rough and generally stalls unless i keep a little pressure on the gas. Also when i punch it at lower speeds (anything under about 60-70mph) it makes a sputtering/spitting sound and sometimes i get flames shooting out the hood. I don't have a clue what's wrong with it please help. I don't know if it's any help but it's got a 350 duel plane intake and 4bbl carb.
blueirocz-28
09-08-2002, 01:08 PM
timing?? we were timing my brother inlaw's olds cutlass 442 b/c he had timed it wrong last weekend and there were flames (backfire) coming out the carb.
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Tyler Parsons
'85 IROC-Z
'94 Camaro 3.4L -160 degree stat, throttlebody bypass
TheGreatJ
09-08-2002, 02:24 PM
Definitely sounds like your timing is all shot up...maybe the distributor got moved during the tune-up? Break out the timing light and see what the tab reads. Should be about 6-10 degrees base advance...it's a good place to start if nothing else.
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TheGreatJ
1991 Camaro RS "Suzanne"
http://thegreatj.cz28.com
blueirocz-28
09-08-2002, 09:57 PM
don't forget to pull the vaccum tube off the advance canister on the distributor when you time it. at least thats what i've always been told to do.
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Tyler Parsons
'85 IROC-Z
'94 Camaro 3.4L -160 degree stat, throttlebody bypass
smallwood
09-08-2002, 11:42 PM
A flat cam lobe will cause a backfire through the carb as well.
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Little red light on the highway; big green light on the speedway, hey,hey, hey!
2002 Formula, GMMG cat back /1983 Z28-sold :(
1989gta
09-09-2002, 09:37 AM
so will having the distributer off by 180 degrees. Though i'm not sure if you can make it drivable if its that far off. I have heard about weirder things.
Chris`s85Z28
09-09-2002, 01:45 PM
when you set the timimg take the vacum line off the vacum advance I forgot one time and my car did that same thing
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R.I.P Dale Earnhardt 3 Nascar isn`t the same without you
1985 Z28 My pride and joy
LG4 305 5spd T-tops 3:23 posi 2.5" exshust mild street cam Accel wires shorty plugs cap rotor and a H.E.I super coil
5.0L BEWARE
http://Chevy-Camaro-Z28.CZ28.com
Speed limits Whats that???
Kills 1/0