Cetane? How Much Is Too Much? - Diesel Bombers



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Old 08-10-2007, 05:26 AM
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Question Cetane? How Much Is Too Much?

just wondering if you have your truck juiced up if you fellow the bottle directions is it possable to have too much cetane and have the wrong effect becuse thier is no cetane reading on the pump here in MN.
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Old 08-10-2007, 11:41 AM
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Cetane (CN) isn't an ingrediant in the fuel, it is a measure of a fuel's ignition delay; the period between the start of injection and start of combustion.
In the US, diesel fuel has a CN range from 40-46 for regular diesel, if you can find premium diesel it will be around 45-50. Again, this is a measurement not a content amount.

Last edited by CHenry; 08-10-2007 at 01:09 PM.
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Old 08-10-2007, 12:47 PM
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I want some liquid centane

Clay is correct ....cheers buddy
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Old 08-10-2007, 01:08 PM
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Quote:
Originally Posted by Whitmore View Post
Clay is correct
I am? whew, thats lucky, i was just making that all up.
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Old 08-11-2007, 05:02 PM
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so you did not tell me what I want to know if you add a cetane addative to a juiced up truck and fellow the directions on the bottle can it have a negitive affect like too much octane for a gas motor....
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Old 08-11-2007, 05:48 PM
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Quote:
Originally Posted by dodgethat View Post
so you did not tell me what I want to know if you add a cetane addative to a juiced up truck and fellow the directions on the bottle can it have a negitive affect like too much octane for a gas motor....

no......yer good to go...I dont believe you could ever get the centane too high to cause a problem
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Old 08-11-2007, 07:00 PM
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I believe somewhere in the latest issue of Diesel Power, which I read yesterday, it speaks of good cetane ratings (and Clay hit it right about dead on, as Whit said). I could look it up but alas, im too lazy.
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Old 08-11-2007, 07:31 PM
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Heres a thread from a web site up north here, some info on Cetane for you folks

http://www.4wheeler.ca/index.php?showtopic=33506&st=0
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Old 08-11-2007, 09:07 PM
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I like this statment ...............and its true

Cetane's greatest benefit is that it promotes pre-ignition resulting in a complete "burn" of the fuel and gives the engines a huge power gain.
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Old 08-11-2007, 09:12 PM
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With that statemant said, Cetane = enemy to black smoke.
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