I've got an edelbrock 600 with an electric choke, however, it doesn't seam like the electric choke is doing anything at all. I've adjusted the choke every *** damn way i can imagine it would need to be adjusted. I've tried hooking it up to the battery instead of just keyed 12v. I've taken it off and the coil looking thing doesn't budge no matter what voltage is applied. I've tried making sure the connections are good and they are. I've tried connecting the positive to the negative and the negative to the positive with no success. Nothing i do seems to be making a bit of difference. I'm all out of ideas...is there anything i can do or am i ****ed?

 

I don't have any hands-on experience with these carbs, but nobody else has taken a shot.

If one can believe the pictures on the Edelbrock website, this is a two-terminal thermostat, correct? Therefore, one terminal has keyed 12v, and the other is ground. Sounds like you have that figured out and covered, and 12v at the choke power wire, but need to be sure.

Take an ohm meter and measure the resistance across the terminals with the wires disconnected. I can't tell you off the top of my head how much resistance there should be, but at least it shouldn't be infinate or zero. I suspect you'll find it is infinate.

Another thing you could do is hook up the 12v, disconnect the ground from the thermostat, and measure the voltage between the the ground terminal and vehicle ground. Should be less than 12v but more than zero.

FWIW, hooking the choke to the battery directly is pretty much functionally useless (except for troubleshooting). Might as well leave the wires off and rotate the thermostat so the choke is full open when the engine is cold.

 

makes no diff if u have power to it, it will still go on, the 12v is to make it go turn off so thats not your prob, here wut i had to do on mine. take off your air cleaner and make sure hte choke butterfly is straight up and down liek its open and then look that the fast idle linkage, there should be this thing tha comes down and opens the throttle a little bit, not with the butterfly all the way open bent the linkage till that little cam that opens the throttle is al close to touching the fast idle screw as possible without touchin. and put your choke cap rigth in the middle on the middle line. this should get u goin so u will just have to adjust the cap and mess with your fast idle screw till u get it right. let me know how it goes and if u have any questions i will get rigth back to to. goodluck

 

hey, i think im haveing the same kind of problem. i have the same 600 cfm with electric choke edelbrock carb. i screwed around with that little screw alot and i cant see it doing anything at all. i also tryed adjusting the choke both ways and no REAL difference can be seen. but one thing is... my car runs nicely at start up, then 2 minutes later it starts running like **** and wants to stall. and then about 5 minutes after that if i step on it to make it warm up a bit faster it runs 100% perfect. i would "think" this is choke related but i could be wrong. also... it was below zero(freezeing cold) out side when i was running it.

 

also... i think im probly gona totaly get shot down for saying this... but it seems like my engine would run a hell of alot better if i just removed the whole choke and that little plate in the carb that it apparently is "suppost" to control. if i manualy open that plate all the way upon start up untill its fully warmed up, it seems to run pretty damn decent. it seems like all my choke does is choke my engine to death

 

Psyte, a choke is suppose to 'choke' the engine--restrict airflow--to richen the fuel mixture. It sounds like yours is choking too much. Loosen the choke up. If it's marked rich/lean, move it toward the lean.

 

i tryed adjusting it from lean to rich. i dont think i have the screw adjusted properly (on the other side of the carb) i dont suppose anyone has pics of how the choke "should" look like when adjusted proplerly for winter?

 

oh yeah, it also smokes quite a bit and sounds like the timeing is screwed up while its uh.... chokeing. but after its fully warmed up, like i said, it runs 100%. i just dont understand why it runs good for 2 minutes after start up, and then like ****, and then good again after its totaly warmed up....

 

winter or summer, the adjustment should be the same. If it's too rich/lean, the effects may not be right away. When it first starts, and it's cold, the choke should be pretty much closed--regardless of how it's adjusted. If it isn't opening up fast enough, after a short while it will start to 'load up' with the extra fuel. If it's too lean, the choke will open too fast and not provide enough 'choke' to run very good. Too rich of a choke will usually result in some black smoke from the exhaust. If adjusting the choke isn't doing anything, it may not be hooked up correctly or just broken.

 

Psyte, your carb should have a pull-off on it so it will open the choke about 1/8" after startup to prevent the engine from
"choking" to death. You might have to slightly bend the pull-off
link or rod to adjust it. After a few minutes of running, the electric choke's heater should have the choke opened to nearly fully
open IF the choke is functioning properly. You might also try turning the choke thermostat to lessen the closing tension of the
choke.

ontogenesis: it sounds like your choke thermostat may be bad.
Test it just as five7kid said