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Ok, that makes sense. Thank you for the clarification.

I am more concerned with better quality fuel getting into the cylinders. If the spin on filters are doing a much better job at filtering over the stock. The fuel should have less dirt and crud in it, allowing a better burn. It might make a very slight difference, just wondered if anyone did...

Has anyone noticed their truck running different after putting on the secondary fuel filters? I have the spin-ons for the Primary and Oil but not the secondary yet. I was wondering if the truck ran any different if the secondary filters are filtering at a lower micron rating. I would think if...

Fantastic Build. I look forward to seeing more additions to your project.

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Well I added the Fuel Improver and got some results. I emptied the tank and put fresh fuel in with the OptiLube XPD. I let it run for 30 minutes then ran the truck. As I was driving the truck. I noticed in my blindspot mirror and nice long line of exhaust. Gray and white, slight blue hue to...

It was my driving. I figured it out. I was going to slow between 4th and 5th and if you let the truck slow to 1500 rpms on its own, then you engage the clutch and pull back to 4th and no grinding occurs. I also blip the throttle in between shifts to match the rpms to keep from the sudden...

Hi Everyone, I am trying to diagnose the concern with my transmission and wondered if someone can help shed light on the matter. When I am shifting up through the gears from 1st through 5th, there is no grinding. Very smooth. But if I am in 5th gear and want to downshift to 4th, there is...

If the Fuel Improver is lubricating the injectors better and helping produce a better spray pattern than before, its more efficient. If it's more efficient it must make a difference in the power or fuel economy since there is now less restriction than before. I am not a mechanic but it would...

The truck runs great. Has lots of power. If I leave the throttle out at 3 clicks, it idles at 1,000 like yours. But the TM says to let the truck idle below 1,000 for 5 minutes to keep from doing damage to the turbo. That's why I wanted it to idle at 800-900 on startup. After a couple...

Mine is a similar situation. I use the accelerator to start the deuce, like the TM's say, but after it turns over, if I take my foot off of the gas, it will slowly drop the rpms and stall out. After a couple minutes of warming up, the truck then will idle between 800-900 rpms. I don't know if...

So to clarify. You use 50% Texaco Anti-freeze and 50% distilled water and add two bottles of DCA or SCA? Ends up being 4 gallon a piece plus the additives?

If the truck is a personal vehicle and is not being used commerically. It should not be a problem with your standard license because the vehicle is under 26,000 pounds. I wonder why the State would tell you that when there website states the exceptions.

I would think it would help create a better jet being sprayed into the cyclinders. Maybe not. The fuel additive is supposed to be mixed with diesel. Maybe thats why there was no difference. I guess no matter what it's hard to diagnose whether it creates more power, because who has a dyno to...

If you like the XPD. Get the oil fortifier and do an oil change. You will love the results of the product on your trucks.

I didn't put it in yet. Does it make any changes whatsoever? Notice any HP gains? I would think if it helps lubricate better it will run better. Less friction

Did some more driving. I drove the truck harder tonight on steeper grades and the truck didn't break 200. Hovered at 190 or so. It seemed to do great on hills. Also, after letting the truck cool down, I looked at my engine temp. The truck was down to 160 degrees. Normally it would.cool...

I have no way of identifying how much of an increase there is. Wish I had a way of determining what the actual gain is. I live in the mountains. When downtown gets 6 inches of snow we get about 10-12. The constant mountain driving puts me in 2 gear high. I didn't have to downshift out of...

I bought it from their website. There are tons of customer reviews and these findings range from people who race in NASCAR to multiple large tractor companies and use this stuff on a continuous basis. Look up their website and take a look at it. There are people reporting up to 30% increase...

I wanted to post my findings. If anyone owns a Diesel Military vehicle, I strongly recommend purchasing a quart of Opti-Lube Oil Fortifier and putting it in their next oil change. You wouldn't believe the differences it made almost immediately. You add one full quart on a oil change and after...