Archive for March, 2008

How To Increase Diesel Fuel Mileage!

March 27, 2008

As of late we are getting a lot of people asking how to increase diesel fuel mileage.  With diesel over $4.00 a gallon and expected to go well over $5.00 a gallon this summer its no wonder why people are wondering how they can increase diesel fuel mileage.   Here are the things we have found that work best to increase diesel fuel mileage:

Diesel Performance Chip: Using a diesel performance chip is one of the easiest ways to increase your diesel fuel mileage, usually with about ten minutes or so spent installing a “chip”, you can increase your fuel economy by 1-5 MPG.  Some companies have actually released chips dedicated to increasing diesel fuel mileage including the Edge Mileage Max, Hypertech Max Energy and Quadzilla Max Mileage.

Diesel Performance Intake: Usually if you have already added a chip the next best thing to help increase diesel fuel mileage.  Diesel performance intakes allow your engine to breathe easier, which will help increase diesel economy.  You will usually see a 1-4 MPG increase.  Some of the best known performance intake manufacturers are S&B Filters, AFE and Airaid.

Water Methanol Injection: Now most people would recommend going with an exhaust system for your third mod to increase fuel economy.  We have found that when it comes to bang for your buck, the Snow Performance Water Methanol Injection Kits lower exhaust gas tempratures more and increase diesel fuel mileage better than an exhaust system.

If you have any further questions on how to increase diesel fuel mileage please contact us.

For any of the above upgrades, or for all your diesel performance part needs, please visit Parley’s Diesel Performance.

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Taking Exhaust Stacks to “The Road”

March 12, 2008

We’d like to thank one of our clients for the good laugh he gave us a little while back when, after he had received a set of exhaust stacks from us, he sent us a follow up email with these pictures included.

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Now although these had just been staged in the bed of the El Camino, we had a good laugh.  Although, after having a good laugh and being the diesel nuts that we are, our minds started thinking about the possibility of a Duramax conversion into an El Camino.  Maybe if we find one a little less cherry than this original 1970 SS 396 El Camino we could make something happen.  With the advent of EFI Live into the Duramax diesel performance world your imagination is really your only limitation when it comes to Duramax Conversions. We’d like to thank Glenn for the great pictures and for keeping our imaginations going.

Shop Parley’s Diesel Performance for all your diesel performance upgrades.

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Diesel Performance – Miracle or Snake Oil

March 6, 2008

There are so many products out there that just seem to be too good to be true and there are too many people out there that are more than willing to take advantage of another’s lack of knowledge.  There are also sooo many out there that are willing to play on peoples emotions; you know, the whole “You can have amazing results for practically nothing, and for only minutes a day at no cost to you”.  We’ve all heard it before.  So what makes diesel performance parts, like a chip, or a cold air intake, or an exhaust any different.  You might ask yourself, “Can adding something that small to my vehicle produce as great results as so many people tell me they do?”  Or will these items really pay for themselves in the form of increased diesel fuel mileage, and reduced wear and tear on my vehicle?  It is these questions about these products that I am going to address and at the same time educate, because knowledge is power my friends.

If you were to modify a gas engine for performance, you would be required to install a different camshaft, bore out the cylinders to increase displacement, install high compression pistons and heads, increase fuel intake capability by installing a larger carburetor or injection system, adding a turbo charger or supercharger, adding a chip, and enlarging the exhaust system.  But then you are still restricted by emission control systems.  On the other hand, diesel trucks and cars are mostly turbo charged, and they already run at a higher compression ratio.  Whereas on the gas vehicles you would have to make those changes.  If you were to make those changes to a gas engine you would truly have a ground pounding beast, but would lose every day driveability.  The diesels on the other hand, are nice to drive around even with considerable modification.  With a cold air intake, a diesel chip, more efficient injectors, and a more open exhaust system, the diesels are still a nice ride, but when you really give it the gas, all heck breaks loose.  There is enormous power without reducing driveability.

Because of the nature of diesel engines, they are designed from the factory to withstand much higher compression ratios than a gas engine.  The diesel fuel combusts when it is compressed to a certain point whether or not there is optimum air. By simply shooting more fuel into the combustion chamber you can make more power. When you then improve the air ratio & timing of the fuel — you can make dramatic power and also improve engine efficiency.  Gasoline requires a spark to ignite it & must have the appropriate mixture of air to burn properly.  Also, there is also a lot more energy in a given amount of diesel fuel than in an equal amount of gasoline.

Below is a break down of the most popular modifications and explanation of their benefits.

1. A cold air intake is sealed away from the hot engine air, and is located where it can take in more air.  Cold air intakes are equipped with a filter that can take in up to 300% more air.  Cold air takes up less space, so there can be even more air, all that air helps to burn all the fuel providing more power and better fuel economy.

2. Diesel chips make alterations to how the fuel is delivered to the engine, making it more efficient and more powerful.

3. A bigger exhaust or a mandrel bent exhaust (keeps the tube round, and the size constant) improves exhaust flow. Getting exhaust away from the engine is just as important in combustion as getting air into the engine. There are exhausts now that will even vacuum exhaust away from the engine, making it so that the engine doesn’t have to do that work.

All of these modifications add to the fuel economy of the diesel engine, over time they will actually pay for themselves in gas savings, and will continue to keep your money in your pocket for years after they are paid for. Diesels are the wave of the future and more and more economy vehicles are being produced in diesel versions because they are capable of so much better economy. – Nathan Young

Shop Parley’s Diesel Performance for all your performance diesel part needs.

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Do Diesel Nitrous Injection Systems Have a Practical Purpose?

March 5, 2008
There are many people out there that will justify anything that they can so they can feel good about doing something, or having something in their possession. The question is, does diesel nitrous injection have any practical application on a diesel performance engine, but first a little information about nitrous oxide.The Nitrous kits for diesels that we run are pretty easy to install, with all of the wiring and solenoids self contained in two boxes, with all necessary hardware and fittings. And can even be installed if you have NOT O-ringed your heads, although if you do have stock heads you should limit the amount of nitrous being sprayed.

Nitrous Oxide when burned at high temperatures, releases oxygen. With nitrous burning it allows for a 50% saturation of oxygen, while atmospheric air only allows for about a 20% saturation of oxygen. The more oxygen, the more power. Nitrous dramatically increases power instantly. Nitrous also will dramatically lower the exhaust gas temperatures. Diesel Propane Injection will also lower exhaust temperature some, but nothing like nitrous will. But does it have any real application?

Nitrous could be used in very small shots to keep things cool and give a little power, but the price would be way too much for the gain that you would get. Other than that, nitrous is friend only to those who are challenged to a drag race, or for the man who just has to be the fastest. There is really no towing application for nitrous oxide. With anything that will increase power so dramatically you need to take precautions as well, and should have a full set of gauges and the ability to monitor all of your engines parameters. So in conclusion, does running a diesel nitrous injection system have any real application on a diesel engine? As an individual that has to have all the bells and whistles, I’m going to have to answer that with an emphatic YES! So its only real purpose is for fun and racing. – Nathan Young

Be sure to visit Parley’s Diesel Performance for all your diesel performance part upgrades.

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Duramax vs. Cummins vs. Powerstroke – A matter of Sexuality?

March 5, 2008

Here is another diesel performance article that we wrote a while ago and thought you guys would enjoy.

Duramax vs. Cummins seems to be the question on everybody’s mind. Let’s be honest Duramax vs. Cummins, has never been the real question, neither has Duramax vs. Powerstroke or Cummins vs. Powerstroke in any of these debates. For the most reasonable answer to these questions that I have found I look back to the teachings of a wise professor. A Philosophy teacher I once had was discussing what he had found to be the main causes of homosexuality after years of being a counselor for school districts and at the local prison, he said that they were genetics, environmental and hormonal. Might I be so bold as to say that it really doesn’t matter who makes the truck or how durable the components are in the truck are but the real answer to the question Duramax vs. Cummins or Powerstroke vs. Cummins or Duramax vs. Powerstroke is what did your father drive (genetic) where did you grow up, what did the people around you growing up drive, what do your current friends drive (environmental), and what body style really “does it” for you (hormonal).
Another factor into this question that my professor went over was the fact that men are attracted to form rather intellect, so just as some men are attracted to women that chew (Powerstroke Owners) men will be attracted to different trucks based on how they look to them. Another factor that I think can fall in line with this is how does the truck make the man look to the ladies? Have you ever noticed how when you are in a parking lot and you see a huge Power Stroke pull into the parking lot with a 12 inch lift and 35 inch Super Swamper Boggers on it and then it will park and out pops the 4’5” driver in his wranglers and a belt buckle that is almost as tall as him. Then you catch a glimpse inside the cab of the truck just before he closed the door and you can see the seat up as far as it can go and sometimes, not all the time, but sometimes I swear I see a stack of phone books. I don’t know what it is but it is the strangest phenomenon, I think that factors into the whole form thing as well, the fact that the men need to feel secure about themselves, maybe they missed the memo that the new Jeep Liberty’s have a nice little diesel in them as well, opening the door for jeep diesel performance,  and they wouldn’t need a ladder to pull themselves up into it.
Now I hope you don’t think that this is it and that I am going to leave you hanging. You know I would never do that my friends. I will be back soon enough with some factual base and research that has been done over the past several years I will include dyno results for max horsepower, shop transcripts for history of what make had which problems etc.. But for now stick with my theory of the three degrees of Trucksuality.
Visit Parley’s Diesel Performance for all your diesel performance upgrades.
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Biodiesel and Diesel Performance, Do They Match?

March 5, 2008

We get a lot of people asking about biodiesel and diesel performance and how well the two things mix. As much as we knew about biodiesel, we figured it would still be best to go to a leader in the industry.  So we got a hold of Graydon Blair of Utah Biodiesel Supply and had him answer some of the common questions associated with running biodiesel in a performance tuned diesel rig.  Check out the video below and be sure to visit Parley’s Diesel Performance for all your performance diesel upgrades.


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