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8N industrial

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rbuckel

02-07-2008 18:28:01

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After reading the forum last night I realize my 46 2N has a late model 8N side mount industrial engine. Dumb question, but why did Ford build the Industrial with no sleeves?

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WILBER

02-08-2008 06:07:28

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Re: 8N industrial in reply to rbuckel, 02-07-2008 18:28:01

I HAVE THREE BLOCKS THAT HAVE BEEN RAN WITH NO SLEEVES IN THEM WITH BIGGER PISTONS THESE ARE ALL 9N BLOCKS. ALL I CAN DO IS TO HAVE IT BORED FOR A LARGER SLEEVE.

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Dell (WA)

02-07-2008 21:18:31

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Re: 8N industrial in reply to rbuckel, 02-07-2008 18:28:01

Buckel..... ..from an assembly line perspective, it would make NO SENSE to "de-sleeve" a dry sleeve engine for slightly greater displacement and more horsepower for industrial purposes.

The 2200rpm governed engine is rated 26hp, the un-governed engine as used in WW2 Jeeps, delivery vans, pickups is rated 36hp at 3600rps.

How do you know yer engine has NO SLEEVES? The only way to know fer certain is to remove cylinder head and look for tell-tail ring around the cylinder..... ...Dell

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Mark Pearce

02-07-2008 22:30:05

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Re: 8N industrial in reply to Dell (WA), 02-07-2008 21:18:31

Dell, I'm not completly sure but the Ford tractor is HP rated at the shaft, for shaft horsepower. An automobile engine is rated as break horsepower. Just opposite of todays diesel engines are rated HP wise at the shaft for shaft horsepower. Automobile gas engines are still rated break horsepower. Here is anuther one to confuse us. Military gas engines are rated as industrial purpose and are rated shaft horsepower. This is why a military 5hp gasoline engine looks like really an 8hp engine. It all depends on if it's going to be a domestic marketed engine or an industrial marketed engine. Domestic = Break Horsepower. Military, farm or industrial = shaft horsepower. May be wrong but this is what Grandpaw told me so it must be true.

Mark.

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Dell (WA)

02-07-2008 23:44:49

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Re: 8N industrial in reply to Mark Pearce, 02-07-2008 22:30:05

Mark..... ..yeah, horsepower, the tool of advertising and marketing, and dreams of little boys.

The Univ of Neb Ag test #433 rated the 1950-52 8N sidemount engine at 26.19 hp belt and my 8N Owners manual claims 27.32hp belt. Who ya gonna believe?

But that wasn't the point I was trying to make. As the ol'hott-rodders say, "ain't no substitute for cubic-inches except cubic-money". The removal of dry-sleeves and running Mercury-V8 pistons for more displacement and horsepower as an assembly line procedure for industrial engines don't make sense. Buckel was asking about why his newly discovered sidemount industrial engine don't have "sleeve" marks on the serial number.

As an aside, the late 40's midget racers used 2-liter frontmount 2N engines with horsepowers over 60hp. 60hp per liter was the "benchmark" for exotic OHV "racing" engines. My 2-liter 1969 BMW OHC engine is dyno'd at 165hp. (thats 82.5hp per liter fer the computationally challenged)..... .Dell

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Hobo,NC

02-08-2008 04:00:11

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Re: 8N industrial in reply to Dell (WA), 02-07-2008 23:44:49

My take,,, all engines designated for tractor use were bored to accept sleeves,,, industrial engines were not,,, so all the engines were cast then had to B bored,,, I spec to save money on the industrial they stopped at a standard bore,,, if one had a industrial engine they could go with oversize pistons or bore it to accept sleeves,,, even a non sleeved engine can B tuff to recognize sleeves either from the top or bottom,,, the head gasket leaves a ring mark on the top,,,looks like a sleeve,,, if not sure have it bored,,, don't make a mistake and fudge up a good block,,, positively identify sleeves fer one takes on the challenge,,, I also found out and almost fudged up a block,,, industrial engines did not have harden intake valve seats

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Dell (WA)

02-08-2008 13:32:50

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Re: 8N industrial in reply to Hobo,NC, 02-08-2008 04:00:11

Hobo..... ..interesting yer experience on sleeves vs no sleeves. Magnaflux test will "always" define the crack between sleeve and block. Its the LAW. (grin) Actually a brite lite and magnifier glass will too, and draggin' a sharp point across the shadow of the crack will also catch inn-itt.

As fer no intake seats, don't really need the "heat" protection like the HOT exhaust valves needs; just like the exhaust don't need rubber stem seal like the oilslurping vacuum intake stems do..... Dell

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