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92' Ford quit running, Think I found the problem

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Steve Crum

05-23-2007 07:54:15




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I took the ingnition module back to Autozone and it tested ok, so while there I got a new PIP for in the distributor. Pulled the distributor and replaced the PIP. Put the distributor back in and still no spark. Watched the rotor as I turned the motor over. GEEZ the distributor isn't turning! Well I know the distributor drive gear is good, and I looked dow the hole and what I could see of the cam gear it was ok. Sooo.. I took the oil filler cap off and looked at the visible rocker arm and rolled the motor over. The rocker ain't rockin'. I wonder how many valves got clobbered. Seems I have a "disconnection" between the crank and cam (or a busted cam). has anybody seen this type of problem in a Ford 300 straight 6 before? sheared key or pin? busted cam? There's no timing chain to this engine according to the book, just the bevel cut gears. I've been told the 300-6 was bulletproof. I'd use a bullet on this POS but it would splatter

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jeffcat

05-24-2007 19:21:22




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 Re: 92' Ford quit running, Think I found the probl in reply to Steve Crum, 05-23-2007 07:54:15  
My 96 Explorer died last Monday at 2 in the morning. Nothing like a $400+ fuel pump! Jeffcat



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Steve Crum

05-25-2007 04:21:51




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 Re: 92' Ford quit running, Think I found the probl in reply to jeffcat, 05-24-2007 19:21:22  
It's odd, in 30 some years of driving and truck ownership (always Chevy or GMC). I was never left stranded. Limped home on less than a full set of cylinders or not in high gear, but none the less got home. Kinda stepped out of my training 4 years ago and bought a Ford and in a fit of need for a second truck 6 months ago bought another Ford. Both Fords have left me walking. Both times with expensive tow bills for failures of items due to 'Mickey Mouse' engineering ie; TFI modules, plastic timing gears, etc. Granted GM products probably are not much better. But by appearance at least to me at this point, are the lessor of the evils. So I'm in the hunt for replacements for the Fords. The guys at work last night said my primary truck should be a rollback. Then when I'm not hauling my own vehicles home, I can make a little on the side hauling somebody else's Ford home.

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Steve Crum

05-24-2007 09:07:27




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 Re: 92' Ford quit running, Think I found the probl in reply to Steve Crum, 05-23-2007 07:54:15  
Well... I went up to Moore's this morning and ordered a Cloyes timing set, front cover and oil pan gasket sets, also rear main oil seal and Melling HV oil pump. Tom at Moore's says if I start early Saturay morning I should be able to have this done by lunch time. I'm thinking his idea of "early" is probably 1:00 AM.



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Hobo,NC

05-24-2007 09:31:53




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 Re: 92' Ford quit running, Think I found the probl in reply to Steve Crum, 05-24-2007 09:07:27  
Ya got a fight on yer hands wif the oil pan. I am not sure if yours has the one piece pan gasket. I never reuse that type if a in chassis job, git the 4 piece set for the older 300-6. the one piece silicon gasket izz so slick theirs no way to hold it in place while you try and install the pan, never had a problem wif the cork set. I use 3m 8001 weather strip adhesive to stick the gasket to the block, seal the ends wif silicon Permatx ultra gray. You will have to drop the oil pump B-4 you kin remove the pan. i spec i would also pick up a new pick up tube for the pump they are not expensive. mite git a new oil pump drive shaft also just in case yours has rite much ware.

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rockyhawaii

05-23-2007 17:58:26




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 Re: 92' Ford quit running, Think I found the probl in reply to Steve Crum, 05-23-2007 07:54:15  
The new gear will probably be made of steel and will be a little noisier. That"s why the factory used "plastic"



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Hobo,NC

05-23-2007 11:55:20




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 Re: 92' Ford quit running, Think I found the probl in reply to Steve Crum, 05-23-2007 07:54:15  
They will strip the cam gear teeth off, fiber gear. Best I member the gear izz pressed on the cam. cut/grind gear center to remove, drill center of cam, thread 7/16" install a stud and pull the new gear on. Hope oil pick up tube dose not stop up from the fiber gear that fell into the pan or remove pan and clean. Replacement of the gear aint that bad, R&R pan izz a tuff job.



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RustyFarmall

05-23-2007 12:53:31




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 Re: 92' Ford quit running, Think I found the probl in reply to Hobo,NC, 05-23-2007 11:55:20  
Yep, couldn't remember if Ford had gone to the fiber covered gears on the 300. A 240 out of a '71 sitting in my shop has all steel gears.

I've replaced several fiber covered timing sets on the V8 Fords over the years. They last only about so long and then just come apart. It'll get you home just fine, but won't start the next morning.



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sd pete

05-23-2007 12:16:00




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 Re: 92' Ford quit running, Think I found the probl in reply to Hobo,NC, 05-23-2007 11:55:20  
is this an interference engine?



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Hobo,NC

05-23-2007 13:03:08




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 Re: 92' Ford quit running, Think I found the probl in reply to sd pete, 05-23-2007 12:16:00  
rite sure its not a interference engine, I have had one to strip the gear and it wuz good to go. Enny thang kin happen tho



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vitzarus

05-23-2007 09:18:01




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 Re: 92' Ford quit running, Think I found the probl in reply to Steve Crum, 05-23-2007 07:54:15  
Steve.That just isn't right.Something bound up the cam and then the key was rounded off. The info you provided supports the possibilty that something slipped some way and the valves were closed when they shoulda been open. This distress worked its way to a key and with much force it did shear. It must have been a heck of a ride while this was happening. There is considerable stress to various members. This is a good engine and you may approach it in various ways depending upon your circumstances. I could get it to work but wouldn't send my Mom down the highway in it.Clearly the damage to the cam by a spiining gear must be mic'd and see whether it is extreme to where the option of a different engine is preferable.Actually the gear itself would show more wear internally.

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CWL

05-23-2007 08:08:37




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 Re: 92' Ford quit running, Think I found the probl in reply to Steve Crum, 05-23-2007 07:54:15  
Don't know if it applies to a 300 six or not, but some motors with gear driven cams used phenolic like material as part of the gear. Over miles and time this can fail.



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Vern-MI

05-23-2007 10:12:27




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 Re: 92' Ford quit running, Think I found the probl in reply to CWL, 05-23-2007 08:08:37  
SEALED POWER Part # 2212750L {Cam Gear}
Laminated silent type cam gear, $38.79



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Bus Driver

05-23-2007 09:40:11




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 Re: 92' Ford quit running, Think I found the probl in reply to CWL, 05-23-2007 08:08:37  
Correct. Often one of those gears is nonmetallic in order to reduce noise. It probably is the one on the camshaft.



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cj3b_jeep

05-23-2007 07:56:55




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 Re: 92' Ford quit running, Think I found the probl in reply to Steve Crum, 05-23-2007 07:54:15  
Fortunately for you that's an easy motor to find if you need another one.



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Steve Crum

05-23-2007 09:31:46




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 Re: 92' Ford quit running, Think I found the probl in reply to cj3b_jeep, 05-23-2007 07:56:55  
Talking with Mama a bit ago, I've got a line on a 91' Chevy that I'm thinking about. I'm told that there might be a retainer bolt on the cam that may have worked loose and allowed the gear the start schucking on the shaft and eventually it sheared the pin. I'm not familiar enough with these engines to know for sure. This only has 114,000 miles on it. I might pull it down to see, but if I find something more serious, I might just junk it. I really don't have time to screw with it and it doesn't make much sense the dump 8 or 9 hundred dollars into it to have somebody else do it. I was hoping somebody would say something like 'yeah that year they used a soft pin, and had a lot of trouble with them shearing' Oh well....

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vitzarus

05-23-2007 10:00:12




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 Re: 92' Ford quit running, Think I found the probl in reply to Steve Crum, 05-23-2007 09:31:46  
Now dude these are possibilities and if somebody comes up and shares about a soft key that would be fine.I hate to say it but you may want to investigate the damage to at least tell others.OW enjoy your Chevy and say goodbye to inline six torque.Also them Ford cooties and Chevy cooties are going to have a field battle on your pants.



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