difference between the 2 Carbs
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Joined: Sep 2005
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difference between the 2 Carbs
i want to get a carb for my 1980 ford f100, with of course, the best engine ever, 300 6. i was wondering could i run the holley 390 cfm carb with the electric choke or do i have to get a car with a manual choke? your input will be very appreciated
Postmaster
Joined: Apr 2000
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From: La Verne, California
There are only 2 ways that I know of, of how an eclectric choke is set up to work.
1 is that is operates off the heat from the Manifold that it is connected to for that purpass.
2 that a water line from the radiator hose is connected to it for that same purpass, Both heat up the coil spring inside so that it contracts & disengages the choke.
I myself prefer a manual choke, I've bhad to many electronic choke's go bad on me & left me hi & dry.
1 is that is operates off the heat from the Manifold that it is connected to for that purpass.
2 that a water line from the radiator hose is connected to it for that same purpass, Both heat up the coil spring inside so that it contracts & disengages the choke.
I myself prefer a manual choke, I've bhad to many electronic choke's go bad on me & left me hi & dry.
Laughing Gas
Joined: Jun 2003
Posts: 1,218
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From: Parkville, MO (KC)
There are places and times of the year where a choke is needed. If you have tuned an engine to always start, even in cold weather, you will have an engine that doesn't run optimally when its warm. IMHO........
Posting Guru
Joined: Sep 2004
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Well, lets say you tune for max HP and TQ on a dyno and you never need to use a choke, whether its 120 outside or -10, standard double pumper holley, it can be done, if you use a good ignition system
Last edited by Motorhead351; Sep 22, 2005 at 06:00 AM.
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Joined: Mar 2003
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From: Colorado
I took the electric choke off of my 390 within a week of installing it. It would "idle up" at restart, even within minutes of turning off an already warm engine. ( drive to the store, engine warm, run in, run out , restart & - e-choke idles up, even though the engine is still quite warm)
I've been through 2 Colorado Winters without it now, and just have to pump a little to start, then tease it a bit 'til it'e warm.
To my knowledge, the only 390 available with a manual choke is the DF "pro" series - at ~$600 - through Summit. A conversion would be much cheaper. I initially pulled the manual choke off of my 600 and swapped it in, but ended up giving up on it when the actuator lever came loose & fell off.
It's a bit touchy on cold mornings, but I've grown used to it.
I've been through 2 Colorado Winters without it now, and just have to pump a little to start, then tease it a bit 'til it'e warm.
To my knowledge, the only 390 available with a manual choke is the DF "pro" series - at ~$600 - through Summit. A conversion would be much cheaper. I initially pulled the manual choke off of my 600 and swapped it in, but ended up giving up on it when the actuator lever came loose & fell off.
It's a bit touchy on cold mornings, but I've grown used to it.
