Howdy all, I could use some help on a bogging issue with this Autolite 1100 carb.
This is for a '66/'67 Falcon with the 200. The car is originally from Arizona but now resides with me in the Denver Colorado area (5200 ft elevation). It is a shell of a car and hasn't run in a long time. The dizzy is mechanical advance (not the LOM) and the 1100 carb does not have the port for the spark control valve.
Here's a list of everything I've done to it so far:
- New copper spark plugs
- New wires
- New cap and rotor
- New coil
- New fuel pump
- New carb fuel filter
(Note: Fuel pump is pulling from a fuel can for the moment until I get the gas tank and fuel lines plumbed.)
- New condenser
- New carb spacer as the other one rusted out completely.
- Rebuilt the carb (I have some doubts as to my abilities here but followed the rebuild directions as best I could)
- New gaskets for carb base and spacer base.
- Set timing to 12* BTDC
- Set idle to 600 rpm for now
- Battery now charges at a nice 14.2v - 14.4v
- Set idle mixture screw with vacuum gauge as best I could. It just won't go any higher than a slightly shaky 14 in.Hg which I'm not sure is low or good for being at 5000' altitude.
The choke is out of adjustment so the car is hard to start. But, once I do get it started and warmed up (choke flap wide open and radiator hot) it will stay running and idles fine although smells incredibly rich (burns the eyes and nose) but doesn't smoke. The original plugs in it were soot black. If I give it a quick blip of the gas pedal it will bog and wants to stall out or die. If I slowly press on the gas pedal to raise the RPM it does just fine although it does have a high RPM miss.
If I look down into the carb I am getting a solid stream of gas when I blip the throttle so I'm not sure why it's trying to stall.
Here's what I think it could be but just not really sure:
- This carb may be jetted for sea level (it was an Arizona car) and doesn't like the high altitude. I don't know what size jet is currently in it.
- I noticed on the accelerator pump arm there is a roll pin in the "Hi" slot currently. Service manual says that if you are above 5000' altitude that roll pin should be in the "Lo" slot. I'm not entirely sure what that means or how it works.
- I have not checked points gap or dwell yet.
- I have not done a compression test yet.
What do you think? Is this just a case of the carb needing to be rejetted and reworked for the higher altitude? Maybe something else I've missed?
Thanks!
This is for a '66/'67 Falcon with the 200. The car is originally from Arizona but now resides with me in the Denver Colorado area (5200 ft elevation). It is a shell of a car and hasn't run in a long time. The dizzy is mechanical advance (not the LOM) and the 1100 carb does not have the port for the spark control valve.
Here's a list of everything I've done to it so far:
- New copper spark plugs
- New wires
- New cap and rotor
- New coil
- New fuel pump
- New carb fuel filter
(Note: Fuel pump is pulling from a fuel can for the moment until I get the gas tank and fuel lines plumbed.)
- New condenser
- New carb spacer as the other one rusted out completely.
- Rebuilt the carb (I have some doubts as to my abilities here but followed the rebuild directions as best I could)
- New gaskets for carb base and spacer base.
- Set timing to 12* BTDC
- Set idle to 600 rpm for now
- Battery now charges at a nice 14.2v - 14.4v
- Set idle mixture screw with vacuum gauge as best I could. It just won't go any higher than a slightly shaky 14 in.Hg which I'm not sure is low or good for being at 5000' altitude.
The choke is out of adjustment so the car is hard to start. But, once I do get it started and warmed up (choke flap wide open and radiator hot) it will stay running and idles fine although smells incredibly rich (burns the eyes and nose) but doesn't smoke. The original plugs in it were soot black. If I give it a quick blip of the gas pedal it will bog and wants to stall out or die. If I slowly press on the gas pedal to raise the RPM it does just fine although it does have a high RPM miss.
If I look down into the carb I am getting a solid stream of gas when I blip the throttle so I'm not sure why it's trying to stall.
Here's what I think it could be but just not really sure:
- This carb may be jetted for sea level (it was an Arizona car) and doesn't like the high altitude. I don't know what size jet is currently in it.
- I noticed on the accelerator pump arm there is a roll pin in the "Hi" slot currently. Service manual says that if you are above 5000' altitude that roll pin should be in the "Lo" slot. I'm not entirely sure what that means or how it works.
- I have not checked points gap or dwell yet.
- I have not done a compression test yet.
What do you think? Is this just a case of the carb needing to be rejetted and reworked for the higher altitude? Maybe something else I've missed?
Thanks!