Fuel Additives?

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Fuel Additives?

Postby seeker1056 » Wed Mar 18, 2009 7:38 am

I understand that Cetane can be an additve and is sold in bottles claiming to make your fuel 5-7 points higher.

Is there a point where one could add too much cetane and hamper performance

For pulling purposes I was thinking along the lines of say two or more bottles of additive per tank?

Anyone out there with experience with additives and/or "mixed" fuels?
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Postby MrHorsepower » Wed Mar 18, 2009 3:49 pm

This website had a lot of info for me. Maybe it can help you out too.
http://mopar.mopar1973man.com/tips/cumm ... le-oil.htm
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Postby dpuckett » Thu Mar 19, 2009 5:37 am

Cetane is a RATING, not an actual additive. There is very little, if any, cetane in diesel fuel. It is just a standard to which to compare the flamability (or some similar such characteristic) of diesel fuel. Same goes for octane in gasoline.

That said, most that claim to add cetane or boost the rating are just blowing smoke up your tailpipe. What you want is lubricity, esp with a fuel system designed 30 years ago or more, and today's dry fuels. I am running Schaeffer's Diesel something-or-other. About $6 a can, does 4 tanks. I deifinitely notice a difference if I do a few fill ups without it. After seeing the wear on my cam plate and rollers, I'm not running it vrey long without some lube agent. 2 stroke oil hasnt worked for me (I drop a MPG every time, but it does run quieter and smoother), so this is my only option, IMO. Unless I could find some bio to run in it.

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Postby T.winegar » Thu Mar 19, 2009 6:28 pm

hey dpuckett, where do you get the schaeffer's diesel stuff. i've been running a lucas oil additive and haven't noticed much of a difference.
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Postby okish » Thu Mar 19, 2009 9:08 pm

I run WMO and 2 stroke oil in both my 02 and 89.
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Postby KTA » Thu Mar 19, 2009 9:38 pm

Stanadyne performance formula and the fuel conditioner from your local John Deere dealer are 2 of the best additives available on the market.
You can see this chart of independent testing for results.
http://www.diamonddiesel.com/fueladditi ... ditive.pdf
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Postby dpuckett » Fri Mar 20, 2009 6:49 am

I get the Schaeffer's through my fiancee's shop. One of the perks.....
His- 93 W250 club cab LE, auto to Getrag conversion, piston lift pump, 3.54 LSD. 400k+
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Postby seeker1056 » Fri Mar 20, 2009 8:49 am

http://www.amsoil.com/storefront/acb.aspx

This was the product literature that got this thread started
91 F350 5.9 Cummins, Custom built VE 12v

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