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dieseling

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wild.blue(at)verizon.net
Guest

Posted: Wed Jun 07, 2006 9:30 am Post subject: dieseling

Hi Phil--

  

 Dieseling is usually caused by something hot in the cylinder--carbon etc.  Too hot spark plugs (wrong heat range) may cause it, too.  Detonation is the real danger that could lead to catastrophic engine failure.  We don't shut down with fuel shutoff, just ignition, so fuel and air continue to be sucked into the engine and anything hot enough will ignite it.  That's why you push the throttle wide open as you shut down--cooling air.

  

 [img]cid:26A37694-6AF9-4D5C-97B3-949E95D7573B[/img]

  Jerry Painter

  

 [img]cid:39690BC8-9011-46C2-982C-1264C8C2B453[/img]Wild Blue Aviation 

 425-876-0865[img]cid:0F63AAB2-09D1-4D2C-A9F3-CED6B3B91C40[/img]wild.blue(at)verizon.net (wild.blue(at)verizon.net) [img]cid:540BDA8D-A71A-4BEA-AC9B-ABF188355D48[/img]

  http://mysite.verizon.net/res0cs5r/index.html

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wild.blue(at)verizon.net
Guest

Posted: Fri Jun 09, 2006 11:23 am Post subject: dieseling

Hi again, Phil--

  

 Thinking about your problem reminded of when I was a kid in high school and my dad had a '59 Hillman Minx sedan.  You remember those, right?  10 points if you remember what the Rootes Group (any connection to the supercharger?) was, bonus ten points if you remember what the station wagon model was called and an easy five points if you remember what the sporty car model was called and later became with the installation of a Ford 260 V-8.  Anyway, besides providing me with a seat for my budding road and drag racing career (dead heat with bug-eye Sprites, 0-60 in about a month), I also got my first taste of wrench turning on cars after graduating from bicycles.  It had a 1500cc inline four that produced a whopping 61.5 hp.  Column shift 4-speed, though normally you didn't bother with first gear.

  

 Back to dieseling.  K-Mart would occasionally have really great deals my dad couldn't pass up on things like old tuna fish, hydrometers the size of eye droppers, transistor radio batteries and in this case, spark plugs.  He got a screaming deal on some extra-hot, long reach plugs he thought would eliminate any possibility of fouling, not that it was a problem, just being proactive, you know?  Got two packs of four (so he had spares, too) for about 50 cents as I recall.  Put 'em in and of course they worked great.  But after a few months the engine would diesel on shutdown.  Just step on the gas and it would quit.

  

 Of course, before we ever got around to replacing the plugs, I managed to run it out of oil and on the way home from a night of drag racing (yes), threw a rod.  Luckily, the folks were away on vacation, so I sped on down to the parts store (thanks, Dale, for the lift), got what I needed and put it all back together.  Never mind that the crank now had a nice little ding on the rod journal, I just took a file to it and cleaned that baby right up.  Also changed the plugs back to the originals. 

  

 No more dieseling.

  

 Unfortunately, the story has a sad ending.  After all my repair work, it only lasted about twenty miles before the new rod duplicated the behavior of its predecessor and spilled the beans, so to speak.  Among other things, I had put the new rod in backwards.  

  

 I was just a kid, for crying out loud.  Give me a break!

  

 P.S.

  

 I still have the unopened extra set of spark plugs, in case you ever get a '59 Hillman and need some.  Not that I would recommend them, but just in case.

  

 [img]cid:1B8D7E69-C7E8-450B-ACBC-5DD384003615[/img]

  Jerry Painter

  

 [img]cid:DF5FE7E1-F42F-44E2-B232-CCCF99ECDEEC[/img]Wild Blue Aviation 

 425-876-0865[img]cid:53953098-1719-4758-9C42-AEDEF53D86FE[/img]wild.blue(at)verizon.net (wild.blue(at)verizon.net) [img]cid:DDCFE1EA-9221-4377-823C-8AF67019D701[/img]

  http://mysite.verizon.net/res0cs5r/index.html

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attydhurley(at)msn.com
Guest

Posted: Fri Jun 09, 2006 11:45 am Post subject: dieseling

Jerry,



I had a '66 Sunbeam Tiger with the 260 Ford back in 1970.  In '67 (and I 

think through68, the last year they built them) they went with the 289.  The 

"best" part about changing plugs was that the plug on the left rear cyl 

could only be reached through the cocpit by removing a rubber plug and 

sticking a long spark plug wrench in.  Not sure i could still fit down in 

there to do that.

I think I remember a Rootes Group emblem somewhere on the dash.



Drew Hurley





 	  Quote: 	
		  From: "Jerry Painter" <wild.blue(at)verizon.net>

Reply-To: yak-list(at)matronics.com

To: "Yak List (yak-list(at)matronics.com)" <yak-list(at)matronics.com>,        

<PSalter(at)aol.com>

Subject: dieseling

Date: Fri, 09 Jun 2006 12:20:21 -0700 (Pacific Daylight Time)



Hi again, Phil--



Thinking about your problem reminded of when I was a kid in high school and

my dad had a '59 Hillman Minx sedan.  You remember those, right?  10 points

if you remember what the Rootes Group (any connection to the supercharger?)

was, bonus ten points if you remember what the station wagon model was

called and an easy five points if you remember what the sporty car model 

was

called and later became with the installation of a Ford 260 V-8.  Anyway,

besides providing me with a seat for my budding road and drag racing career

(dead heat with bug-eye Sprites, 0-60 in about a month), I also got my 

first

taste of wrench turning on cars after graduating from bicycles.  It had a

1500cc inline four that produced a whopping 61.5 hp.  Column shift 4-speed,

though normally you didn't bother with first gear.



Back to dieseling.  K-Mart would occasionally have really great deals my 

dad

couldn't pass up on things like old tuna fish, hydrometers the size of eye

droppers, transistor radio batteries and in this case, spark plugs.  He got

a screaming deal on some extra-hot, long reach plugs he thought would

eliminate any possibility of fouling, not that it was a problem, just being

proactive, you know?  Got two packs of four (so he had spares, too) for

about 50 cents as I recall.  Put 'em in and of course they worked great.

But after a few months the engine would diesel on shutdown.  Just step on

the gas and it would quit.



Of course, before we ever got around to replacing the plugs, I managed to

run it out of oil and on the way home from a night of drag racing (yes),

threw a rod.  Luckily, the folks were away on vacation, so I sped on down 

to

the parts store (thanks, Dale, for the lift), got what I needed and put it

all back together.  Never mind that the crank now had a nice little ding on

the rod journal, I just took a file to it and cleaned that baby right up.

Also changed the plugs back to the originals.



No more dieseling.



Unfortunately, the story has a sad ending.  After all my repair work, it

only lasted about twenty miles before the new rod duplicated the behavior 

of

its predecessor and spilled the beans, so to speak.  Among other things, I

had put the new rod in backwards.



I was just a kid, for crying out loud.  Give me a break!



P.S.



I still have the unopened extra set of spark plugs, in case you ever get a

59 Hillman and need some.  Not that I would recommend them, but just in 

case



Jerry Painter



Wild Blue Aviation

425-876-0865wild.blue(at)verizon.net

  http://mysite.verizon.net/res0cs5r/index.html



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