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Username Post: edelbrock electric choke theory? help        (Topic#155731)
74elco for73SS 
Senior Member
Posts: 575
74elco for73SS
Loc: so cal
Reg: 04-30-04
03-31-07 09:45 AM - Post#1132516    

Ive never had an electric choke'd carb before. I just bought a choke kit for my 1405 edelbrock, and last night I was confused as to whats supposed to be going on here. I assumed that when you power up the electric choke, its supposed to close the choke? so when I positioned the spring under the choke linkage that its supposed to move,, nothing happens.

My choke kit came with no instructions. Im thinking the only other thing is maybe my theory is backwards, and maybe the choke spring is supposed to hold the choke closed , and heating the choke coil will open the choke? but if this is right, then that means you'd have to be powering the choke coil all the time the engine is running, which seems odd to me.

can someone shed some light here?
thanks

 
65Bowtie 
Very Senior Member
Posts: 1940
65Bowtie
Loc: Elmendorf AFB AK
Reg: 05-20-01
03-31-07 10:08 AM - Post#1132529    
    In response to 74elco for73SS

it closes after the carb sits, the coil heats up and opens the choke.
65 Chevy short step C-10, rear fenders stretched 3", 2" cowl hood. Dart big M 540ci BBC, billet solid roller cam, AFR heads, 4L80E, 9.5" Edge converter

03 Chevy 2500HD SB CC Duramax Allison, Hot Juice

Serving America since 1991, USAF "462"


 
motorman 
Dedicated Enthusiast
Posts: 5170

Loc: south western pa.
Reg: 01-25-00
03-31-07 10:10 AM - Post#1132531    
    In response to 74elco for73SS

the 12 volts to the built in heater in the choke cover opens the choke and yes the 12 volts is on all the time the engine is running
retired race engine builder,former NASCAR tech inspector. new corvettes owned 1959,1962,1963,1964,1965, 1966,1997,1999,2002,2005, 2008 plus 30+ other chevy cars and trucks along the way. 2008 corvette sold and waiting on a C-7.


 
65Bowtie 
Very Senior Member
Posts: 1940
65Bowtie
Loc: Elmendorf AFB AK
Reg: 05-20-01
03-31-07 10:27 AM - Post#1132538    
    In response to motorman

When wiring it DO NOT take that 12vdc off the coil!
65 Chevy short step C-10, rear fenders stretched 3", 2" cowl hood. Dart big M 540ci BBC, billet solid roller cam, AFR heads, 4L80E, 9.5" Edge converter

03 Chevy 2500HD SB CC Duramax Allison, Hot Juice

Serving America since 1991, USAF "462"


 
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