Best & worst diesel fuel additive treatment?

For the most part i have found they are a scam aside from occasional treatments for specific problems. In a well maintained engine they do little if any good beyond a point and CAN do harm. On the other side of that coin however they can help mask problems with a poorly maintained truck or an older vehicle....but its usually a case of kicking the rebuild can down the road a few more months at best. And they can help sort out a minor problem such as too much water in the fuel or the like.

As for which is best i have always used lucas oil additive if im unsure of my oil quality or fear contamination. It tends to do a decent job of cleaning any crap out especially if a truck sat for a long time. For fuel problems hot shots secrets is the only one ive found to be actully effective. Got about 20 gallons of water in my tanks once and it cleared the problem right up.

 

Do you need any of them if running good quality fuel?

 

I like Howes or Stanadyne.

 

Up here you do..........Get down around zero F* or below and your surely gonna be dead in the water if untreated.

"But it said it was treated on the pump?" Can't tell you how many times I heard that one.

Power service is good stuff all around, all flavors. Howes is in stock, too. No experience with anything else personally.

Don't really care for Lucas. Some love it for Oil additive. I'd rather just use quality oil.

 

No but it’s great insurance when you can’t always depend on the fuel to be clean.

 

0F is only -18C, I have driven in much colder, for many winters, no additives, no freeze ups.

 

I've never seen the need for additives in general. All the fuel here is good to 35-40 below before it starts to cloud.

 

Guess we here in the US need to start importing more fuel from the North Eh......Lol.....

What I can tell you is on a -10 to -20 *F day. We see regular tow ins and freeze ups that can take forever to get thawed out. I would never dream of running something down to -40F without additive.

 

Around here we do not normally have much problem. When it does ever get down to 15F or so a car is dead on the by pass in the city every couple of miles. Lack of anti freeze. Fuel works the same way. Fuel blended for the south going North will likely problems without additives.