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  #1  
Old 01-22-2010, 05:37 AM
layback40's Avatar
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Lightbulb Diesel Myths


We have all heard a few. They often show up on here.

The normal forum rules apply. Also please leave Religion & politics out !

Here is your chance to give us all the low down on your favorite Diesel Myths.

Our moderators should have a few good ones!!!

Please keep them short and sweet !!!


Me First !!

1/ If the engine oil (or any other fluid) has not been changed in a long time, you shouldn't change it as it will damage the motor (or trans etc) if you do !!

We all know this is absolute C#%P !! Not changing it will do damage. It still shows up now and again.


2/ Leaving your motor running for extended periods will over charge your battery. You should have your headlights on during long trips to prevent this.

Again this is not the case with modern engines, especially those with alternators & electronic voltage regulators.



OK its over to every one else now!!

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1967 230-6 auto parts car. rust bucket.
1980 300D now parts car 800k miles
1984 300D 500k miles
1987 250td 160k miles English import
2001 jeep turbo diesel 130k miles
1998 jeep tdi ~ followed me home. Needs a turbo.
1968 Ford F750 truck. 6-354 diesel conversion.
Other toys ~J.D.,Cat & GM ~ mainly earth moving
  #2  
Old 01-22-2010, 06:01 AM
t walgamuth's Avatar
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All diesels leak oil.

My 126 gets 40 mpg.
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..I also have a 427 Cobra replica with an aluminum chassis.
  #3  
Old 01-22-2010, 06:44 AM
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The infamous "Will go 500k with no maintenance" statement.
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  #4  
Old 01-22-2010, 08:18 AM
C Sean Watts's Avatar
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Diesel engines were designed to run on deep fryer grease. These 'true believers' never heard the coal dust story.

My favorite:
A diesel engine will run backwards (IE: it can use the exhaust as an intake and vice versa.)
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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
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  #5  
Old 01-22-2010, 08:19 AM
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Rudolph Diesel designed his engine to run on vegetable oil.
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  #6  
Old 01-22-2010, 08:21 AM
C Sean Watts's Avatar
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Quote:
Originally Posted by moon161 View Post
Rudolph Diesel designed his engine to run on vegetable oil.
You never heard the coal dust story? - Oh, forgot - this is the myth thread.
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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!
  #7  
Old 01-22-2010, 08:23 AM
C Sean Watts's Avatar
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Quote:
Originally Posted by pawoSD View Post
The infamous "Will go 500k with no maintenance" statement.
That's actually a good one.
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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!
  #8  
Old 01-22-2010, 08:27 AM
layback40's Avatar
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Diesels run best and last the longest when run flat out
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Grumpy Old Diesel Owners Club group

I no longer question authority, I annoy authority. More effect, less effort....

1967 230-6 auto parts car. rust bucket.
1980 300D now parts car 800k miles
1984 300D 500k miles
1987 250td 160k miles English import
2001 jeep turbo diesel 130k miles
1998 jeep tdi ~ followed me home. Needs a turbo.
1968 Ford F750 truck. 6-354 diesel conversion.
Other toys ~J.D.,Cat & GM ~ mainly earth moving
  #9  
Old 01-22-2010, 08:44 AM
Eric's Avatar
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diesels can run on vegetable oil without damage. mythbusters proved it.
  #10  
Old 01-22-2010, 08:50 AM
C Sean Watts's Avatar
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Quote:
Originally Posted by Eric View Post
diesels can run on vegetable oil without damage. mythbusters proved it.
You should come to my shop....
__________________
1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!
  #11  
Old 01-22-2010, 08:51 AM
Eric's Avatar
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which bridge is it under?
  #12  
Old 01-22-2010, 08:53 AM
C Sean Watts's Avatar
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Quote:
Originally Posted by Eric View Post
which bridge is it under?
Tell you what, you find it "under a bridge", I'll GIVE you a set of new injectors.

But, outside of fantasy land, you should read that I posted "were designed to run on fryer grease"
__________________
1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!
  #13  
Old 01-22-2010, 08:56 AM
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One can 'modify' and improve upon MBs original design.
  #14  
Old 01-22-2010, 08:57 AM
Craig
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Let's not forget the many fuel additive myths; everything from ATF to whale sperm.
  #15  
Old 01-22-2010, 08:58 AM
C Sean Watts's Avatar
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Quote:
Originally Posted by Whiskeydan View Post
One can 'modify' and improve upon MBs original design.
Here's another myth, Mercedes Benz designed the original diesel engine - discuss.

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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!
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