8N Radiator, Fan Type, and Shroud.

BJ2016 · Nov 13, 2015

Need some more help on my 1950 8N.

Old radiator shot. Not worth fixing. It has a 4 blade fan, and no shroud. Get's hot here in Texas. It was overheating, but hopefully only because it kept running out of water from the old rad leaking.

This site has 2 radiators for sale. The less expensive one says a shroud may have to be modified.

I need help to decide which radiator, shroud or no shroud, and the 6 blade fan vs the 4 blade.

Den N Ms · Nov 13, 2015

BJ2016,If I was going to use it hard in hot weather,I would replace it with a quality radiator and shroud that will fit the radiator,and a six blade fan will help also.You may have to search Just 8Ns, ebay,John Smith,Dennis Carpenter,ect.for a good oem shroud that fits.

Tim PloughNman Daley RIP · Nov 13, 2015

The aftermarket radiators sold today have a history of not fitting right and nothing but headaches. I would just buy a used original one off fleabay and have it restored and you're still gonna save money...Maybe think of going to a 6-blade fan too...

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WayneCNY · Nov 13, 2015

I bought the restoration quality radiator from this site. It fits fine but you cannot use the shroud. The overflow pipe is in the wrong position. Also, the neck of the radiator is too short so I had to use a standard radiator cap. My 8N runs fine without the shroud, and I brush hogged for 7 hours without any overheating. I feel the money was well spent, as my original radiator was shot. Sometimes it is not worth fixing the old parts. Hope this helps.

duey · Nov 13, 2015

You may wish to consider the condition of the inside of the block waterjacket... if it is filled with rust and junk, it is tough for the water to 'get at' the engine heat. One clue might be what can be found inside of the block drain or petcock. Food for thought...

John in Mich · Nov 13, 2015

I'm not big on physics, it has been too many years since I tried in high school. So, I'll use an example that I frequently use to be cool in warmer weather (what we call it in late July in Mich.)
My house and garage face the west and any breeze is typically from the west. With both garage doors open I can stand in the 36" service door on the east side and feel a very strong wind, the venture affect. All that air coming in to 7'x8' doors has to squeeze through a 6'8"x36" door. The rush.
Apply that idea to your radiator. The shroud is the small door. The 4 blade fan MAY be enough but a 6 blade fan would help. hth

John in Mich · Nov 13, 2015

Dang, can't spell "venturi" not venture (dang auto spell check/correct)although you are on an adventure

Ken N Tx · Nov 14, 2015

(quoted from post at 15:33:02 11/13/15) Need some more help on my 1950 8N.

Old radiator shot. Not worth fixing. It has a 4 blade fan, and no shroud. Get's hot here in Texas. It was overheating, but hopefully only because it kept running out of water from the old rad leaking.

This site has 2 radiators for sale. The less expensive one says a shroud may have to be modified.

I need help to decide which radiator, shroud or no shroud, and the 6 blade fan vs the 4 blade.

I am also in Texas..My 2N does not have a shroud but has a thermostat and a 4 blade fan..

I bought a radiator from just 8n's in 2011, worked great..

Only had one problem..The studs on the new radiator are 13 and 5/8 apart and the mounting holes are 13 and 3/4 apart. I just drilled the 1/2" holes bigger.

duey · Nov 14, 2015

Water pumps have known to get bad, too... guys have found some with a backward shaped impeller installed... While it may be true you need a radiator, there are other areas to keep working properly, too. Just sayin'.

Ken N Tx · Nov 15, 2015

(quoted from post at 20:47:37 11/14/15) Water pumps have known to get bad, too... guys have found some with a backward shaped impeller installed... While it may be true you need a radiator, there are other areas to keep working properly, too. Just sayin'.

The pulley came off my brand new water pump and destroyed my radiator!! It lacked a, spring clip on the end,and the pulley was only pressed on!! nnalert replaced the pump with one that was tack welded on.

Skeeter102 · Nov 16, 2015

I'm also in Texas. I bought the cheaper radiator this site sells and it works just fine. My tractor isn't a show piece, but is a worker. I installed new hoses and thermostat along with it. No issues ever since.

BJ2016 · Nov 30, 2015

This is a reply to Ken about his water pump pulley coming off. And a thanks to all. Ken, thanks for the pictures and info about your pump pulley coming off and tearing up the new radiator. I have both a new radiator and
pump from this site, but have not yet installed them. The water pump I bought from YT came with the pulley attached, and it does not have a snap ring in a groove to hold it on like the one I removed. It appears to be
pressed on. After reading that your replacement was tack welded on, I am going to do the same thing to mine. I don't have a welder so I will have to take it somewhere. I assume a mig welder was used. And I also wonder
if the heat could damage the seal? Maybe not with just a quick tack job.

Has anyone else had pulley probs? I am not a fan of pressed on pulleys.

Bruce (VA) · Nov 30, 2015

" Has anyone else had pulley probs?"

Yep.

Drill out the end of the pump shaft & tap it for a suitable size bolt. Put a washer on it larger than the diameter of the pulley & then tighten down the bolt.

75 Tips

Royse · Nov 30, 2015

Seems like tack welds would need to be fairly balanced
or they would hasten the wear on the bearings and seals.
No proof of that, just thinking out loud.

8N Radiator, Fan Type, and Shroud.

BJ2016

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Den N Ms

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Tim PloughNman Daley RIP

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WayneCNY

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duey

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John in Mich

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John in Mich

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Ken N Tx

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duey

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Ken N Tx

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Skeeter102

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BJ2016

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Bruce (VA)

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Royse

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