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new 8n wont crank

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Peter379

12-26-2005 11:02:17




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Just bought a 1949 8n about 2 weeks ago. It has been cranking good and running good up until today. Ive probably ran it 4 or 5 hours over the last 2 weeks. Anyway I was finishing up some bushogging today and was coming back down the driveway with the pto off and it sputtered a few times so i figured it was running out of gas(I knew it was getting low). About 5 seconds after the sputtering it died. So i check the gas tank and see it is very low but not empty. Filled the tank up and turned gas back on and still nothing. Went back 2 hours later and still nothing. Then i took a plug out and had good spark. So i took the fuel line off at the carb and had good flow. Sprayed some starting fluid in there while cranking and still nothing. Any suggestions?? Oh yeah i pressure washed it this morning but ran it for 10 min or so after that while bushogging before it quit. Took the distributor cap off and everything was dry. Any help will be appreciated.

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46lash

12-26-2005 11:37:27




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 Re: new 8n wont crank in reply to Peter379, 12-26-2005 11:02:17  
Dell, You always suggest the Autolite AL-437's, in your opinion are they a consistantly better plug for the N's Vs one of the other plug manufactures?
Greg



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Dell (WA)

12-26-2005 15:29:44




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 Re: new 8n wont crank in reply to 46lash, 12-26-2005 11:37:27  
Lash..... ..about the only thing consistant with sparkies, its the thread. (thats an international specification) Don't matter who made the sparkies, they ALL must meet the thread specificatons.

Then theres the sparkie heat range. Each sparkies mfgr heat-range is slightly different, depending upon the size and material used. Too COLD heat-range, the natural by-products of combustion will condense on the sparkie gap and eventually FOUL the sparkie and cause missing.

Too HOT heat-range, and yer glowing sparkie will self-ignite the gasoline charge all by-itself instead of by the timed ignition from the distributor. Pre-ignition will BANG yer engine and melt piston heads, break rings, hammer bearings outta round, broken piston rods thru the side of the engine block. not good!!!

The OEM sparkie for the N-Engine was a cool Champion H-10, worked great with 70 octaine gasoline and heavy plowing. Unfortunately, modern 87 octaine gasoline, leaves too many deposits and will foul cold sparkies and cause missing so a HOTTER SPARKIE is recommended. The HOTTER AutoLite AL437 (gapped 0.025) seems to have a better heat-range and life than the Champion hotter H-12 version and lasts longer. My sparkies are 10yr old and work great.

Now don't confuse HOT Sparkies (plug) with HOT sparkies (coil)..... ....Dell, yer self-appointed sparkie-meister

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Dell (WA)

12-26-2005 11:30:25




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 Re: new 8n wont crank in reply to Peter379, 12-26-2005 11:02:17  
Peter..... ...while there is always the possibility that pressure washing yer tractor, ya gotts some water in yer inadaquately sealed frontmount distributor cap, usually a pre-hotted engine will dry things out. You report yours ran for 10-mins after the pressure wash so it should have dried itself out, but its so eazy to check and fix. Just un-clippie yer 4-nipple cap and spray/blast the insides of cap and distributor with some sort of fast evaporative solvent; such as brake-cleaner, electrical-cleaner, ether-quickstart, WD-40 leaves an un-wanted oily film that leaks sparkies inside the cap.

Then exchange yer FLOODED sparkies for new dry AutoLite AL-437, gapped 0.025.

Heres the deal, all yer crankin' has sucked wet gas up into yer sparkies and left INVISABLE contaminates on the center electrodes that leak-off them lazy sparkies instead of jumpin' the gap.

Then after you've gottchur engine running and hot; change-out 1-sparkie and lettchur HOT ENGINE clean and dry-out yer dead-sparkie, one attta time. Save yer now cleaned and re-gapped sparkies for the NEXT time you flood yer engine. And there will be a next time..... ...HTH, Dell, yer self-appointed sparkie-meister

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Peter379

12-26-2005 15:37:31




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 Re: new 8n wont crank in reply to Dell (WA), 12-26-2005 11:30:25  
Also Dell there is a wobble in the front tires while going down the road especially if there is no implement on the 3 pt hitch. There is some wear in the front end but not an extreme amount. The right tire wobbles very bad but the left is not that bad. Maybe steering sector is the culprit??



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Peter379

12-26-2005 15:33:18




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 Re: new 8n wont crank in reply to Dell (WA), 12-26-2005 11:30:25  
thanks for the info Dell. Before i read your post i went ahead and pulled the hood off while i had some help(my dad). My dad said he thought the coil was bad because it was hot but it wasnt so hot you couldnt touch it. I took the points and condensor out and had just about made my mind up to get points,coil,condensor, rotor cap, plugs, plug wires(the works), but after reading your post i wished i would have tried that first. So what do you think? Go ahead and give her a major tune up or save the money and just try the sparkies?

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Dell (WA)

12-26-2005 18:13:30




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 Re: new 8n wont crank in reply to Peter379, 12-26-2005 15:33:18  
Peter..... ..1st-off, ya don't haffta remove yer N's HOOD to work on your squarecan 4-nipple frontmount distributor. Ittza 2-bolt, 15-min job to remove yer OFF-SET tang driven frontmount distributor and change the ignition points on yer mom's kitchen table. Just un-snapple yer 4-nipple cap and letter dangle. Disconnect yer single topmount coil terminal wire. Check and adjust yer frontmount ignition points gap = 0.015" on spred-out newspaper on kitchen table. Simple, eh?

Installation is a reversal of the removal....except....gently fingerstart yer 2-bolts and then twirl yer rotor until it drops into the camshaft drive slot, now tighen yer 2-bolts. Snapp-onn yer crabcap and top-terminal coil wire. Simple, eh?

Caution: be certain that yer points hold-down screw is the SHORT #8-32x3/16" screw. Also, the points screw gitts INVISABLE thread wear and can become difficult to tighten down enuff to keep the points gapp from slippin'. New SHORT #8-32x3/16 points screw p/n: 355047-S7 $50c (cheap) also available at yer local Ford Automobile parts store.

Yer dads semi-right, yer squarecan ignition coil does run warm, not "burnie-burn" hot but noticeably warm in cold weather but non-noticable during hot weather.

You must also run yer 6-volt squarecan ignition coil with the "infamous ballast resistor" under yer ampmeter. Otherwize, yer 6-volt coil OVERHEATS and pukes its insulative tar and looses its sparkies abilities.

Suggest you squander summma yer xmas money for an I&T FO-4 manual. $22 (cheap) Readily available from sponsors of this great N-Board, most agricultural emporiums; Amazon.com, BordersBooks, WalMartBooks. www.n-news.com also has great archive of implement manuals. Even yer local CNH Ford/New Holland dealer sell'em, isn't that amazing? Even my local (byte my tongue) John Deere dealer parts counter is selling it. Gittcha one and readitt..... ...respectfully, Dell

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Tom N MS

12-26-2005 17:45:00




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 Re: new 8n wont crank in reply to Peter379, 12-26-2005 15:33:18  
What was the reason for pulling the hood? Keep in mind that you can rig up a temporary gas supply and check things out good before you put the hood back on. I use an old plastic lawnmower gas tank and a piece of rubber gas line..Several times I have Bushhogged an acre like this to check it out.



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peter379

12-26-2005 17:55:09




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 Re: new 8n wont crank in reply to Tom N MS, 12-26-2005 17:45:00  
i pulled the hood so i could get to the points and didnt see another way to do it besides getting the hood and radiator out of the way. I've never had a frontmount before and didnt want to take the distributor off because someone told me it would get out of time.



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The Yank

12-26-2005 18:08:14




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 Re: new 8n wont crank in reply to peter379, 12-26-2005 17:55:09  
Two bolts hold your distributor on. 5 minutes to pull your whole distributor and put it on your kitchen table to work on. It only goes back in one way unless you force it. Timing will not get messed up.


I did it the same way as you did a couple of times until I learned the easy way.



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Pitch

12-26-2005 18:04:39




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 Re: new 8n wont crank in reply to peter379, 12-26-2005 17:55:09  
There is no "getting out of time " with a front mount. Any time you neeed to mess with the points or ditributer just pop the coil off take out the two bolts and carry the distributer into the warm house to do your work. It has a thick offset tang on the back of it that fits into a slot on your camshaft.will only fit one way.



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peter379

12-26-2005 18:34:05




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 Re: new 8n wont crank in reply to Pitch, 12-26-2005 18:04:39  
thanks for the info fellows. I feel pretty stupid now but i guess you live and learn. I needed to check out the underside of that gas tank anyway ;0)



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