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Author
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Topic: Diesel additives??
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70MachT-5
Gearhead Posts: 144
From: Pasco, WA (on the banks of the Mighty Columbia River)
Registered: Jan 2000
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posted 12-24-2001 02:55 PM
   
Anyone heard of adding 1 qt of tranny fluid to the fuel tank when you fill up to fuel increase mileage? It makes sense but my 2000 F350 PSD is still under warranty. Comments?------------------
MarkC ~ 1970 Mach 1 T-5
1965 coupe vintage racer
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MLariviere
Moderator Posts: 3984
From: Biddeford,Me.USA
Registered: May 99
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posted 12-28-2001 10:37 PM
I wouldn't put that stuff in until I knew for sure it would work. The guys to ask are the ones who drive rigs and dump trucks. I have seen a few consumer articles that state putting additives in for fuel economy doesn't help much. By the time you factor in the cost of your additive,the savings is fractional. I'd just run it the way it is,the way it was designed,and not take a gamble with some old wive's tale. My .02
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AKBOSSMAN
Gearhead Posts: 2923
From: WASILLA , AK USA M&M #743 MCA #40857
Registered: Oct 2000
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posted 01-28-2002 08:14 PM
 no way not in my truck !
shhhhhhhhhhhhhh it a 92 Dodge Cummins 6X6 dually club cab------------------
WAYNE CURTIS
70 GRABBER GREEN BOSS 302
01 Sangria Red Focus ZX3
03 Boss 302 (5.0) (waiting on order form)
92 SHELBY 4X4 (K-9 IDITAROD LEAD DOG)
My old '71Torino GT
"If your under control then your not going fast enough" Parnelli Jones
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MLariviere
Moderator Posts: 3984
From: Biddeford,Me.USA
Registered: May 99
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posted 01-28-2002 08:59 PM
I think it would be a great way to sludge up those injectors.
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Dad Vishus
Gearhead Posts: 836
From: Moscow, Iowa, USA
Registered: Dec 2001
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posted 01-29-2002 05:35 PM
I've heard of this, but I wouldn't do it in my 2000 F350.
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Stanger76
Journeyman Posts: 24
From: Hallsville,Texas
Registered: Jan 2002
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posted 02-24-2002 09:36 PM
I wouldn't do it. I rebuild these fuel injection pumps and all ATF does is cut the seals over a period of time. AFT has cleaning fuilds in it help clean the inside of transmissions. I would usesomething made for diesels. Ol timers used ATF but with todays diesel having less and less sulfur in them, ATF will do more harm than help.Mind you, my 2 cents only. Stanger 76 ------------------
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Dave_C
Gearhead Posts: 968
From: Gadsden, Al
Registered: Aug 99
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posted 02-24-2002 10:13 PM
I use Power Service. The white bottle (they also have a gray bottle). Get it at Wal-Mart for $9 for 3 qt bottle. Most truck stops also carry it.Mix 12 oz with each tank of fuel. Works great. Made a difference in how the winter blend fuel burns. Truck smokes less and rattles less when cold. Will slow down on using it to 4 oz per tank when the summer fuel blend comes back this spring. Later, David Cole
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MLariviere
Moderator Posts: 3984
From: Biddeford,Me.USA
Registered: May 99
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posted 02-25-2002 09:12 PM
Dave,how do you tell the difference in blends? Do they change colors of the fuel or something?
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Dave_C
Gearhead Posts: 968
From: Gadsden, Al
Registered: Aug 99
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posted 02-25-2002 10:54 PM
You can't tell by looking. You just have to ask. But it's safe to assume to if the temp has been or will be below freezing that it is a winter blend.Regular #2 diesel (summer fuel) will gel completely at 20?F. They mix #1 diesel with it in different amounts depending onthe area and expected temps. The #1 is lower in BTU content, has less lubrication qualitys and is generally just just a step above kerosene. But it doesn't gel when cold. I always fill up at the same place. I could tell when they changed the fuel. Easier to start, but more smoke, rougher idle, louder idle, mileage a little less. On my next tank I asked and they confirmed they had changed over to a winter blend. Later, David Cole
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erlong
Journeyman Posts: 27
From: Minneapolis, MN, USA
Registered: Feb 2002
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posted 02-26-2002 12:02 AM
I would not put tranny fluid in my fuel. I have never heard of this practice either. Doesn't mean it hasn't been done though. I frequent the diesel sites and truly have not seen this. If you really want an additive, buy something that is marketed as an additive.I don't run any additives, and my PSD has 44,500 on it without issues. I've had it for 1.5 years so far. The winters get pretty harsh up here and I still don't do the additive thing. The blended fuel in the winter time hurts fuel economy, but when it warms up and they are running #2 through the pumps again, I hit 16mpg all the time. I agree that filling up at the same station will help your PSD's operating consistency. ------------------
-Eric
SuperFord.org Admin
'67 Galaxie | '00 Excursion | Ford Excursions Registry
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70boss302
Gearhead Posts: 370
From: Jeffersonville, NY USA
Registered: Mar 2002
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posted 03-05-2002 09:31 PM
I have a 99 F350 PSD 4x4 SC w/ 112K miles on 'er. I have used ATF and it does help, but believe it or not, 2 stroke oil works best. Get the stuff with the high sulphur content and watch mpg's go up. Also both are good for injector lubrication and cleaning. 1 quart for 38 gal is very diluted and will NOT hurt a thing. I got this tip from an old trucker. Another tip he told me was to drop about a shot glass full of clear Kero into my car wash bucket to prevent static charges that cause rust. I have done this for over 20 years, and I swear, my stuff doesn't rust. Try it, you have nothing to lose. Bill
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MLariviere
Moderator Posts: 3984
From: Biddeford,Me.USA
Registered: May 99
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posted 03-05-2002 09:36 PM
Thanks,Bill!
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