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460 never starts when cold.

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Old Aug 24, 2016 | 09:14 AM
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460 never starts when cold.

Hey guys, my 77 250 has a 460 in it.

When it's warm, it'll start right up.

When it's cold, the starter will drain my battery before I can even get it started. When it cranks, I can hear it firing, almost like a really slow, rough idle that never takes off on its own.

Anyone had this happen before?
 
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Old Aug 24, 2016 | 12:07 PM
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Does the choke work? I assume you know that on carbureted vehicles, the throttle needs depressed once or twice to squirt some fuel in the carb after a day or more of sitting.
 
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Old Aug 24, 2016 | 12:16 PM
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Originally Posted by orangeford
Does the choke work? I assume you know that on carbureted vehicles, the throttle needs depressed once or twice to squirt some fuel in the carb after a day or more of sitting.
I'm with Orangeford..... squirt some gasoline in the carb, and hit that key!
You may need to adjust that automatic choke a bit.
On a cold morning, loosen the 3 screws for the choke, and turn it completely closed (clockwise).
Then open it (counter clockwise) just until that butterfly/flap startts to open
 
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Old Aug 24, 2016 | 12:29 PM
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Originally Posted by orangeford
Does the choke work? I assume you know that on carbureted vehicles, the throttle needs depressed once or twice to squirt some fuel in the carb after a day or more of sitting.
The choke is somewhat open when it's cold, and I can push it pretty far closed. I also do pump the pedal once or twice hard before I start it but it does nothing.
 
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Old Aug 24, 2016 | 12:30 PM
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Originally Posted by ubereal2
I'm with Orangeford..... squirt some gasoline in the carb, and hit that key!
You may need to adjust that automatic choke a bit.
On a cold morning, loosen the 3 screws for the choke, and turn it completely closed (clockwise).
Then open it (counter clockwise) just until that butterfly/flap startts to open
Can I use some starting fluid?
 
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Old Aug 24, 2016 | 12:38 PM
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Originally Posted by DieselCamper
Can I use some starting fluid?
If pouring gas right into the carb doesn't do anything, I wouldn't think that starting fluid would either.
 
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Old Aug 24, 2016 | 12:56 PM
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Starting fluid is a no-no - it'll wash the cylinders down. Use starting fluid on yer lawnmowers.

I'm in agreement with ubereal2 on a choke adjustment when she's cold.
 
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Old Aug 24, 2016 | 01:32 PM
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Originally Posted by ubereal2
If pouring gas right into the carb doesn't do anything, I wouldn't think that starting fluid would either.
I asked about starting fluid, because I don't have a gas can, only diesel
 
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Old Aug 24, 2016 | 01:53 PM
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I'll agree with the others. Something ain't working right on the choke.

You still have the IDI right?
 
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Old Aug 24, 2016 | 02:29 PM
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Originally Posted by pgg00
I'll agree with the others. Something ain't working right on the choke.

You still have the IDI right?
Absolutely! I'm still waiting on the heads and tranny for it. Was supposed to be done last week but something came up with my 77 so me and the mechanic didn't get to it.

Just hit 250 last week!Name:  photo468.jpg
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Old Aug 24, 2016 | 10:52 PM
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Keep it up and you'll hit my mileage
 
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Old Aug 24, 2016 | 11:13 PM
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Originally Posted by pgg00
Keep it up and you'll hit my mileage
If she lasts that long. The starter locked up today and just clunked, and was gonna get towed if I didn't move it, so I used my 460 to tow her to a parking place. It destroyed my 27,000 lbs towing rope which is ridiculous.

My 460 Carb is tuned up and I stole a battery from my IDI and it started right up. It just likes to stall at idle now and when I put it from idle to drive especially. Name:  photo695.jpg
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Old Aug 25, 2016 | 03:19 AM
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Originally Posted by DieselCamper
Hey guys, my 77 250 has a 460 in it.

When it's warm, it'll start right up.

When it's cold, the starter will drain my battery before I can even get it started. When it cranks, I can hear it firing, almost like a really slow, rough idle that never takes off on its own.

Anyone had this happen before?
I've got a '76 F-250 with a 460 which did the same thing. The problem was the choke. I never could get it to close completely when cold and open completely when hot. Since I know how to operate a choke, I switched to a manual choke. It now works perfectly and starts perfectly also.
 
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Old Aug 25, 2016 | 09:30 AM
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Originally Posted by Ozzie H.
I've got a '76 F-250 with a 460 which did the same thing. The problem was the choke. I never could get it to close completely when cold and open completely when hot. Since I know how to operate a choke, I switched to a manual choke. It now works perfectly and starts perfectly also.
Is there a kit?
 
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Old Aug 25, 2016 | 09:39 AM
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Originally Posted by DieselCamper
Is there a kit?
Yes, many varieties.

https://www.amazon.com/s/ref=nb_sb_s...e+%2Caps%2C381
 
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