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1600 Oliver carb snafu

B

BitterWindsRanch

New User
Hi all I am fairly new to old tractors and my Oliver is great but the cold weather is here and it will only run with the choke fully engaged and the carb itself frosts big time (carb was replaced as well as float bowl and fuel line). Any advice would be greatly apreciated. I need to figure this out as I live in frosty North Dakota.
Thanks

Jim
 
Running with choke closed. Contaminated or old fuel, vacuum leak, main jet - back it out, dirty carburetor fuel bowl. Just 3 ideas.
 

Get a piece of aluminum roof flashing, cut it, trim it, shape it to fit around the carb and up against the engine block to hold some heat around the carb.
 
The 1600 gas tractors were like that when they were new. Oliver had a cold weather kit to fix the problem. I am sure that kit is no longer available. You will have to fix up something to get warm air to your carb. air inlet.
 
Yup what rusty and oliverfan said. Our Farmall 460 would do the same thing when humidity and temps were right.

I use to carry a lighter in my pocket when I used the 460 to haul in ear corn years ago. I would grab a corn leaf set it a fire and hold it under the carb to defrost it.

Caution do not do this with a leaky carb.

Gary
 
I made this for my 1650
a54454.jpg
 
That idea works well. I never saw one welded to the muffler quite like that but idea is the same as have ing it clamped on in place. Works great on all those gas burners in cool, damp conditions as well as really cold winter days.
 
Jim

One other thing lots of people don't know about (including my local service station). In todays world the formulations for Gas are sold for the area and time of year.

In the north the gas sold in the colder months is much more volatile than what you get in the summer. This is regulated by the EPA for what it's worth.

In more finicky engines I have had good luck dumping what I put in during the summer and going to the station and getting fresh. JD 318 with onan is probably my worst at the moment. It is amazing how I can't get that thing to fire on summer gas when the weather gets chilly but replace it with winter stuff and it runs without a hitch.

PITA to keep fresh fuel around but I gave up on the barrel for gas and now use an assortment of gerry cans.

This has been my experience your milage may vary.

jt
 
Yes it seems to help alot. The carb still can get frosty on the outside but you wouldn't know it. If I were to make another one I would make the heat shield bigger to capture more heat. With my tractor it seemed most sensitive to the humidity in the air not necessarily how cold the air temp. was. I only use that muffler in the colder months and put the normal one back on when field work starts. btw I live in WI and it can get cold here to.
 
(quoted from post at 06:47:06 11/23/11) Yes it seems to help alot. The carb still can get frosty on the outside but you wouldn't know it. If I were to make another one I would make the heat shield bigger to capture more heat. With my tractor it seemed most sensitive to the humidity in the air not necessarily how cold the air temp. was. I only use that muffler in the colder months and put the normal one back on when field work starts. btw I live in WI and it can get cold here to.
Click to expand...

Yes, it is more about the humidity than it is about the temperature. I've seen frost on the top of an M Farmall carb on a WARM day with HIGH humidity.
 
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