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| | | Forums66 Topics128,012 Posts1,055,311 Members48,419 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Jul 2012 Posts: 306 Shop Shark | | Shop Shark Joined: Jul 2012 Posts: 306 | can some one tell me how set the choke on my new carb ,, i first got it it was way too high on cold start so i tried to back it off and it came out of the housing,,, so i am trying to get it back in, does the spring piece go in front or behind of piece on the butter fly ???
thanks
1958 chevy biscayne 235 6 cyl 1 barrel 2 speed PG tranny
| | | | | Joined: Feb 2006 Posts: 649 'Bolter | | 'Bolter Joined: Feb 2006 Posts: 649 | I just rebuilt one and the only way I can explain the thermostat spring is that it closes the choke as you turn the adjustment clock wise. Phil | | | | | Joined: Jul 2012 Posts: 306 Shop Shark | | Shop Shark Joined: Jul 2012 Posts: 306 | ok i understand so cold it would close the butter fly ,,, so what would open the butter fly ?? there is only 1 edge it goes against ?? so in this weather would it close all the way
thanks
1958 chevy biscayne 235 6 cyl 1 barrel 2 speed PG tranny
| | | | | Joined: Feb 2006 Posts: 649 'Bolter | | 'Bolter Joined: Feb 2006 Posts: 649 | As it warms up the spring unwinds and gravity takes over, see your idle speed screw/linkage rod to choke. Phil | | | | | Joined: Jul 2012 Posts: 306 Shop Shark | | Shop Shark Joined: Jul 2012 Posts: 306 | ok i see the vacuume will pull the flap open , as it heats up ,, i understand now ,i will read and see how far it needs to close when cold ,, i am guessing that cold is cold no matter what temp ,,even after being not running for a day is cold ??
thanks
1958 chevy biscayne 235 6 cyl 1 barrel 2 speed PG tranny
| | | | | Joined: Nov 2006 Posts: 2,544 Shop Shark | | Shop Shark Joined: Nov 2006 Posts: 2,544 | The coil winds up as the warm air goes over it, unless you have an electric choke coil, then the electricity heats the coil and slowly opens it. | | | | | Joined: Jul 2012 Posts: 306 Shop Shark | | Shop Shark Joined: Jul 2012 Posts: 306 | right now the car has been off for a day or so ,, when i put the spring [censored], in there i need to turn it slowly causing the butter fly flap to close, i would say there is a measurement there that needs to be between the flap and housing ??? i didnt see that in shop manual
thanks
1958 chevy biscayne 235 6 cyl 1 barrel 2 speed PG tranny
| | | | | Joined: Nov 2006 Posts: 2,544 Shop Shark | | Shop Shark Joined: Nov 2006 Posts: 2,544 | turn it enough so it has a little bit of tension to hold the choke closed | | | | | Joined: Jul 2012 Posts: 306 Shop Shark | | Shop Shark Joined: Jul 2012 Posts: 306 |
1958 chevy biscayne 235 6 cyl 1 barrel 2 speed PG tranny
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