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BN engine and H carb questions

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Jeff

09-20-2001 07:41:08




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1. I'm getting a BN in a couple of years. The tractor has been sitting outside in northern Michigan for ten years without a muffler (the exhaust pipe is exposed to the elements). In order to help preserve what's left of the engine, I was going to fill up the manifold/combustion chamber and the crankshaft/cam/bottom half of the engine with fuel oil; my hope was it would penetrate the engine and stop further rusting. Is this a good idea, or is there a better way? How many gallons would I need for this?

2. The carbs on my two H's and SMTA drip gas out of the bottom of the carb when I turn it over (and it doesn't start immediately). There's a steady trickle for about 1 to 2 seconds. When the tractor starts and runs, this doesn't happen. Is this normal? If not, what can I do about it? I rebuilt them, the floats don't appear stuck, and I have the main fuel jet turned in to the point where the tractor is on the border of konking out. Thanks.

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Theman

09-20-2001 09:58:40




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 Re: BN engine and H carb questions in reply to Jeff, 09-20-2001 07:41:08  
Regarding item 1: Remember that oil floats on water so if there is water on top of a piston wreaking havoc on the rings and cylinder, it will continue to do damage after you add the oil. Find a solvent/penetrant that breaks up water (alcohol or WD40 come to mind) and will dissolve in the oil you plan to use. You could experiment in a small glass jar to see what works best.

One other thing, if it is possible to get the valve cover off now, do so before more moisture can rust that area up worse. You won't be able to fill the engine enough to protect it. The H I have sat out here in East Texas for several years and the block, main bearing caps, and timing gear cover are all I was able to salvage. It was full of rust and white moldy junk.

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big fred

09-20-2001 12:58:24




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 Re: Re: BN engine and H carb questions in reply to Theman, 09-20-2001 09:58:40  
My '45 A came to me from someone who gave up on a rebuild. The manifold was off and plugs out, but he had taken the head off and smeared grease about 1/4 inch thick atop the pistons and filled the ports and spark plug holes with grease. Made a heck of a greasy mess to clean up, but kept the rust away.



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The Red

09-20-2001 07:44:08




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 Re: BN engine and H carb questions in reply to Jeff, 09-20-2001 07:41:08  
When you crank, only have the choke pulled out for about 3 turns then push it back in. Sounds like you are overchoking.



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Jeff

09-20-2001 09:52:11




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 Re: Re: BN engine and H carb questions in reply to The Red, 09-20-2001 07:44:08  
Red, I think you're right. I would let it crank several times before I pushed in the choke. Thanks a lot.



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