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Most Frequently Asked Questions About Operating Systems Here you will find some of the most frequently asked questions about the operating systems on a 'Bird. If you have one that you think should be added place it in here.

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  #1  
Old 11-27-2016
x2ndcxbrhtmh x2ndcxbrhtmh is offline
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Default Cold Starting my 1990 WB40's Detroit 8V92

I went out to the storage yard today to start up my 8V92, but couldn't get it to fire up. My generator had the batteries fully charged, and I ran the block heater for an hour before I tried to start the 8V92. It seemed to crank fast enough, but wouldn't start. It was about 40F today, so I wasn't expecting any trouble. Is there a "secret" to starting the Detroit engines? I haven't owned the 'bird for a year yet, so it is my first winter. Thanks for your suggestions.
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1990 WB40
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  #2  
Old 11-27-2016
Bob Johannesen Bob Johannesen is offline
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John, If the temp goes down to 40 degrees down here and I need the engine to start the next day, I run the block heater all night. One hour will not get the chill out of the block oil and water. I do have a pan heater for the oil but it doesn't get that cold in Texas so I haven't installed it yet.
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1991 WLWB "Seldom Blue"
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Argyle, Texas
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  #3  
Old 11-27-2016
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SNOWBIRD SNOWBIRD is offline
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Quote:
Originally Posted by x2ndcxbrhtmh View Post
. Is there a "secret" to starting the Detroit engines? .
Ether. I know, its not the best but I can tell you we did it every day, every winter in our truck fleet in the 1970's and 80's.

I would rather see you leave the block heater on overnight, but in a pinch ether will do the trick.
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1998 43' LXi #F119728
Lansing, Michigan
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  #4  
Old 11-27-2016
x2ndcxbrhtmh x2ndcxbrhtmh is offline
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Thanks Bob and Sky. I will have another go at this this week and will let the heater run for a longer time. It is dry-docked in the storage yard, so its a little inconvenient to let it heat over night, but I can let it go two or three hours easy enough.
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Brighton, MI
1990 WB40
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  #5  
Old 11-27-2016
Gregg Gregg is offline
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Check the engine water temp pipe with a laser temp gun. My engine heater won't get it much over 109 degrees. Once your at that temp and it doesn't start look for another cause. Plus it may get there sooner depending on your outside temp.
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  #6  
Old 11-27-2016
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SNOWBIRD SNOWBIRD is offline
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I was reluctant to say ether because I know some here will shoot down the use of ether as it can cause problems. But, my 1993 Prevost with an 8v92 had a built in ether bottle with a button on the dash. So, as I said, in a pinch you can use it but I wouldn't make a habit out of it.
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1998 43' LXi #F119728
Lansing, Michigan
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  #7  
Old 11-28-2016
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Bill Pape Bill Pape is offline
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Quote:
Originally Posted by SNOWBIRD View Post
I was reluctant to say ether because I know some here will shoot down the use of ether as it can cause problems. But, my 1993 Prevost with an 8v92 had a built in ether bottle with a button on the dash. So, as I said, in a pinch you can use it but I wouldn't make a habit out of it.
Many Birds have this option, but not a good idea for the inexperienced.
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  #8  
Old 11-28-2016
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My advice is...do not start the 8V92 unless your are ready to travel. As others have stated, warm the engine overnight. The two stroke Detroits start by compression only and that SAE 40 conventional motor oil is pretty thick when cold.

If possible turn on the 1500 watt block heater for a few hours prior to cranking when temperature is below 50 degrees.
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  #9  
Old 11-28-2016
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When it's cold I run the gennie and block heater till I get sick of waiting. One hour or more. I start it from the rear so I can give it some throttle (no air to run the throttle as I don't have an aux compressor yet). I don't do it often, just when I have to, like going to the winter storage site where I have power and a friend to plug it in and turn on the block heater the night before I pick it up.
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  #10  
Old 11-28-2016
bubblerboy64 bubblerboy64 is offline
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Here is something that will help. Get yourself one or two of the magnetic block heaters. Since you have the generator running it costs nothing to run another heater or two. Stick them on to the oil pan and you will be heating water and oil. Ether will work but it makes me nervous to subject the engine to that. Can't say I have an educated reason to BE nervous but I'd just rather not.

Kat's 1153 Handi-Heat 200 Watt Magnetic Heater

Kat's 11900 Magnetic Engine Heater
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