What carb did you find, a 5220 or 6520?Ok, I have an 83 shelby that is missing the original carb, but I found a carb off an 84, or 85. Would it work, or would I have to add a bunch of parts.
If you go with the 6520 then you'll need the O2 sensor since the carb receives feedback from it. Make sure the carb has a "Wide Open Throttle Cut-out Switch" as that controls the AC clutch circuit (sort of a metal plate with an actuator that's mounted below the fuel inlet on the carb).We don't have emissions checks. Most of the emission hardware had been removed in the past along with the o2 sensor, which could reinstalled. My car has AC and cruise and I want that to work. From what the parts store said on the numbers on the carb it is a 6520. The EGR and vapor canister are still present, but not attached to anything. The car has some sort of Holley on it now, but I don't like the way it acts and the stock air cleaner won't fit it. I'm a Neon person, so all of this is new to me.
There is only one O2 sensor on the '83 and it should be located on the exhaust manifold, driver's side. Look at the end of the manifold right before it attaches to the catalytic pipe. You should see the O2 sensor (My Rampage has a plug). The stock catalytic converter has no O2 sensor, just a tube that connects with a hose to the Air/Smog Pump. Maybe you have an after market cat. converter???I have factory service manuals bought, if they ever get here. The 6520 that I bought has everything on it, even the ac cut out switch. How many o2 sensors were there? There was one in the convertor that I removed, is there one in the manifold also? Before I do anything I'm gonna test the mixture synoild to see if it even works. I also don't know if the computer still works, or not. All things considered, which carb gives less trouble and works the best? I'm still thinking, would I be better off just getting a Weber? And who would I make the linkage work?
Several options to choose from...it also depends on if you are going for 'originality' of course ..
I'd say a properly running Holley 65xx 'feedback' carb is superior to a properly running 52xx ..
mainly cuz it should give a bit better fuel economy and mid-throttle power.
as the ECM (should be) managing A/F ..
but of course you need the proper ECM, original wiring in engine harness (ie not cut off/out), supporting sensors like O2 ..
Alright, very good!I'm wanting to be able to run the stock airbox and have a engine that is reliable and runs good. This car is really, really nice other than this stuff missing. It has a bigger than stock Holley and none of the original stuff works with it. I have the airbox and air hose and they look brand new, so I think they should be on it. I just got the car and I think this is what it needs, maybe later in a few years, I'll think about something else, like fuel injection. I don't mind changing things, as long as they look like the factory did it.
Ahh oh then.I had the cat removed cause it was falling apart inside and replaced it with a resonator.
PUBLIC SERVICE ANNOUNCEMENTI had the cat removed cause it was falling apart inside and replaced it with a resonator.
Well, you're absolutely correct NAJ.PUBLIC SERVICE ANNOUNCEMENT
This only pertains to vehicles that are Registered, Street Legal and Driven on an Almost Daily Basis.
It does not pertain to Race Cars or Off Road Vehicles
Do not take any offense to what I am about to say...
This is one of my pet peeves so I am going to "Preach" because I am Old, emissions are a serious concern (Doing what I can to leave a functioning earth to my Grandchildren) and because I can because I am Old, or did I say that already?
I do not know where you live but I hate to see people get in trouble when they do not need to, removing/eliminating a Cat is a Serious Federal Offense and depending where you live is a State violation as well.
Even though I am exempt from state inspection in N.J. they still use random roadside inspection with mobile inspection units in conjunction with the local police, inspection or not the law states "you are responsible for maintaining a properly functioning (which includes emissions tampering), safe vehicle and you can be subject to fines/impounding if your vehicle is found to be in violation".
Also, when I was in training with Chrysler for a refresher course on engine and engine performance they had two Jeeps on dyno's one with a cat and one without to expel the myth that a cat is restrictive and creates excessive backpressure with a loss of horsepower.
Both vehicles had the same exact backpressure, removing the cat did not gain anything unless you count higher CO, Hydrocarbons and NOx emissions as gaining something.
My original Cat fell apart about 10 years ago, I replaced it and when that one rotted away about a year ago and I could not get a direct fit replacement I installed a Universal Cat that is legal in N.J.
I know, everybody says the same thing, they won't catch me, the police never bother me/they do not care, I will not get in trouble or I will replace it if I get caught...
It only takes one time and one time is one time too many.
I do not wish to debate this.
I am done venting, Carry On.
https://www.epa.gov/sites/production/files/documents/exhsysrepair.pdfWell, you're absolutely correct NAJ.
Wow a Fed Offense? Didn't know.
We do need to take care of this planet even in the slightest way. I live in a area with few houses and mainly woods, pastures & a hay field or 2. Walk 1 1/2 miles every day and take a plastic grocery sack with me. It's a rare day when I don't pick up fast-food trash, beer cans or water bottles leaving it "presteen" as one local bubba calls it.
Seems we don't care about the environment anymore. Guess we're too self-centered & entitled now...
Now I'm done venting also!
Very interesting, thanks.