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I am succombing to the Republic of Kalifornia's desires and putting things back on the truck to meet the smog requirements. I have run into a snag though, when I changed out exhaust before I only saved what I thought I might ever need in the future (cat, downpipe, and muffler). problem is I...

In looking at Primary Turbos for a set of compounds I have come across the S475 and the S475SX4 The only difference I see between them is the Exhaust side. The S475 turbine is a 95.5mm inducer and 87.9mm exducer and exhaust housing A/R is 1.32 the S475SX4 turbine is 83.5 inducer and a 74mm...

I am in a quandry right now guys, and thought maybe the vast experience here could help me a bit. I want a truck that is reliable and functional, quick stoplight to stoplight without smoking out intersections. I would like to maintain the ability to hook up to a trailer once in a while (maybe...

I will first apologize as this is very long. However In an effort to prevent others from being ripped off by this guy, I feel it necessary to let the great guys at CompD know about the bad dealing of one Mr. Tom Nicholas aka rawdog On December 9 of 2008 I sent Mr Nicholas a Money order in the...

In the wake of the EPA's seemed vigor to screw with us, and the police in many areas cracking down on the sweet haze of unburnt diesel. With all that can be done with electronics, I am just curious if it has ever occured to come up with a "less than stock" tune. Obviously power would be down...

With the vast knowledge here I thought maybe I could gather a good explaination as to why...or why not? Please note that this pertains to CR injectors as I have heard of other injectors with more holes. In searching for injectors it has occured to me that I believe they all use a nozzle...

Just curious if anyone can list any real disadvantages to having a mechanical lift pump, such as a Mitusa or Fuel Boss on the truck. Other than the extra belt on the front of the engine, I am coming up with no reason not to go this direction for more fuel. Am I missing something?

My Brother has a 95 Powerstroke. It had the engine replaced with one from a 97 before he bought it. Ever since he bought it he has had problems when switching to the rear tank. The truck will idle but you cannot drive with it. Fuel Pressure drops to 2 psi when switching to the rear tank. He...

Sorry for the real newbie question here, but cannot find this info anywhere. I have a line on a pretty cheap BHT3B Turbo (not that they are that expensive anyway). Not sure if it would be worth picking this up with the anticipation of building twins with a stock turbo. Idea is to build my own...

Well I have been a member here for a while but find I can learn more with my mouth shut and my mind open than I can the other way. Bought my first Diesel truck just about a year ago, and am always trying to learn everything I can to better understand the benefits and consequences of whatever I...