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Old Jul 14, 2000 | 09:52 PM
  #1  
Bigmike's Avatar
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Injector cleaners

I used to be able to find STP Diesel fuel injector cleaner. It worked like a charm. My 91 with 150,000 miles on it with ran smoother, and performed like it never had before. Now I can't find the stuff. With 210,000 miles on the engine I'd like to find the same product, or another that works to that quality. It came in a very large bottle for multiple uses, and really seemed to work. Any ideas?
 
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Old Apr 20, 2002 | 10:01 PM
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Injector cleaners

I too have wondered if an injection cleaner was a good idea in the PSD. And, if so, which one? So how 'bout it? Should we be cleanin' our injectors? Somebody chime in!!
 
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Old Apr 21, 2002 | 07:03 PM
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Injector cleaners

[updated:LAST EDITED ON 21-Apr-02 AT 08:07 PM (EST)]I've been using Stanadyne Performance Formula. It's got properties that clean injectors, raise the cetane level, and offer brighter brights and whiter whites!!
It seems to work great to me, but I'm new to this, and haven't tried anything else. My brother is an OTR driver, and recommended it. That was good enough for me.
All kidding aside, my truck runs great, gives better than average mpg's, and I'm really happy with the stuff. I use it every tank.
 
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Old Apr 22, 2002 | 09:20 PM
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Injector cleaners

Where can you buy the Stanadyne Performance Formula? Do Part stores carry it?

Thanks
Rodney
 
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Old Apr 23, 2002 | 06:01 AM
  #5  
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Injector cleaners

I get it from Diesel Injection Service. It's also the best place I've found for fuel filters, coolant test strips, and coolant additive. I've also seen it at truck stops, but it's priced higher there. You add 4oz. per tankful.
I hope this helps.
 
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Old Apr 28, 2002 | 09:23 PM
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Injector cleaners

You said 4oz per tank full but the thing on the web page said 8oz treats 30 gallons! so which should i got by?

Rodney
 
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Old Apr 28, 2002 | 10:00 PM
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Injector cleaners

They're both kinda the same thing: 8oz. per 30 gallons is the same as 4oz. per 15 gallons. Since each of my tanks is approximately 19 gallons, and they're not totally empty when I fill them, I round off to 4oz. Technically, I should be adding about 4.7 oz., or something more difficult to remember and measure. A lot of people only put the stuff in every second or third tank, so being part of an ounce short, but adding it every time, I still feel pretty good about it.
It's not an exact science. I'm sure you wouldn't be doing any damage by adding twice as much as is recommended, but you'd probably be wasting it. Adding fractionally less than recommended is still a lot better than not adding any at all.
Just my $.02.
 
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Old Apr 29, 2002 | 10:33 PM
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Injector cleaners

If I'm not badly mistaking the other night when I looked at my manual, it said my tank was 29.0 gallons, I may be wrong, I need to look agian, Can you tell a diffrece in power or anything?

thanks
Rodney
 
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Old Apr 29, 2002 | 11:50 PM
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Injector cleaners

Well depending on the year of PSD you own....depends on the tank size....the older style PSD's had two 19 gallon tanks I believe and the new body style has only one tank that is approximatly 30 gallons. So I would add the full 8 ounces.

Hope this helps.
 
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Old Apr 30, 2002 | 02:58 PM
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Injector cleaners

Shortbeds have the 29 gallon tank and longbeds have the 38 gallon tank.

Les
 
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Old May 1, 2002 | 07:02 AM
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Injector cleaners

RockinRodney-
You asked if I can tell a difference in power?
When I bought my truck, the dealership did me the favor of filling both tanks at the local filling station. I think it was nasty fuel, and at the time, I didn't know about Stanadyne, so I just ran it through. The truck ran well enough for me to be favorably impressed, and to have bought it. By the time I got through all that fuel, I had discovered Stanadyne, and had also heard that the best fuel was available at truck stops, so when I refueled, I started with Stanadyne, and switched to truck stop fuel at the same time. At that point, I noticed that the truck ran stronger, smoother, and gave better mileage, but it's hard to say which contributed more. Needless to say, I use Stanadyne at every fillup, and buy my fuel only at truck stops.
 
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Old May 1, 2002 | 12:32 PM
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Injector cleaners

>Shortbeds have the 29 gallon tank and longbeds have the 38
>gallon tank.
>
>Les

My shortbed has the 29 gallon tank. Far too small to be useful towing, I got 8.5 mpg towing the boat last weekend, got caught in some bad traffic and was continually having to get the whole rig moving again and had some hills to pull on the route... there at the end I was sweating making it to a station... if traffic hadn't cleared I probably would not have. Anyway, I refilled at 202 miles and she held 24 gallons. That was as quick as I could get to a station to fill up, if I'd dropped to 8mpg... that's 25.25 gallons... I'm getting a little too close to empty for comfort.

I've got a 48 gallon tank on order, even if I only burn 44 gallons with the unexpectedly poor mileage of 8 mpg I get over 350 miles.

Robert


 
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Old May 1, 2002 | 02:55 PM
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Injector cleaners

 
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