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Ford 9N, 2N & 8N Discussion Forum
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How does this look?

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Alvin Roberts (

09-24-2005 18:50:38




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I just bought a 1948 Ford 8N from and friend and I want to attempt to restore it. It was not running and I don't know how long it has been since it's been run. I've ordered some electrical system parts and while I'm waiting for my new coil, ammeter, resistor, and some other items to arrive, I decided to take the head apart and see how things looked. I'm no engine mechanic, but it didn't look too bad to me....please take a look and let me know what you think. I took a few pics before I cleaned it up and a few afterwards....I didn't do a fantastic clean up job, just a little to see if it would clean up. After that I put a little oil down on each piston and let it soak in good. I then turned the engine over a little and it sounds good and smooth. Please give your opinion on the pics...does it look okay???

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Dell (WA)

09-24-2005 19:46:17




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 Re: How does this look? in reply to Alvin Roberts (MS), 09-24-2005 18:50:38  
Alvin..... ....its a time honored treatment to "de-carbon" old engines. Both piston top and cylinder head. ...but... you really need to do the dreaded compression check. Ford specs: 90psi (dry). That is the ONLY WAY to evaluate the condition of the engine. COMPRESSION. You may have low compression from sticky rings, MMO is $5 (cheap) treatement of choice. And even iff'n the treatment don't work, yer still time and money ahead on a $1500 overhaul..... ....Dell

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slifnom

09-25-2005 06:00:46




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 Re: How does this look? in reply to Dell (WA), 09-24-2005 19:46:17  
Dell, How would a person do a treatment with MMO? Thanks



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Alvin Roberts (MS)

09-25-2005 04:59:05




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 Re: How does this look? in reply to Dell (WA), 09-24-2005 19:46:17  
Okay. MMO...is that Marvel Mystery Oil? If so, how do you do this treatment? Sorry to sound dumb, but I'm no engine mechanic. This is a first time go around for me. Also, what do I need to do the compression check? Thanks for all the help!



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DaveH(NY)

09-25-2005 07:15:11




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 Re: How does this look? in reply to Alvin Roberts (MS), 09-25-2005 04:59:05  
Alvin, you will need a compression test gauge, any auto parts store will have them, they run from $25.00 and up. At the point you are at I would go ahead and tear down the rest of the engine and do the rings and bearings and check the cylinders and hone or replace the sleeves. It would be a waste of time and money to put it all back together now only to find you need piston rings.



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gahorN

09-25-2005 05:22:32




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 Re: How does this look? in reply to Alvin Roberts (MS), 09-25-2005 04:59:05  
I realize you probably just couldn"t wait...to find if your tractor engine was any good or not ...but.... You actually may have placed your engine at risk unnecessarily. Disassembly for a visual look has many more riks to a healthy engine than one might suppose. Next time, before you take it apart, get it running and do a compression test. (I disagree with cold compression tests as for their usefulness. Hot compression tests are much more informative, IMHO. Anyway, that engine appears to have little time on it since the last rebuild, if those pics are of an engine not cleaned up. (Another risky way to ruin a good engine....take it apart to "clean" it. Bottom line: If the engine runs good, and has good compression when hot...it is not useful to "clean" or disassemble it, and quite possible to injure it in such attempts. My 2 cents.

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jimNCal

09-25-2005 12:10:12




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 Re: How does this look? in reply to gahorN, 09-25-2005 05:22:32  
Sound advice. Worth remembering. Best to determine if something is actually broken before attempting to 'fix' it.



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