HX Crossover Mod
Senior User
Joined: Feb 2006
Posts: 116
Likes: 0
From: West Central Florida
I did both the ss HPX and ITP in-tank w/prepump filter this past weekend. Truck runs great, but I'm not noticing much difference in sound yet.
I even filled the Baldwin filter w/ diesel fuel to help clear out the air quicker in hoping to see the difference right away.
The ITP kit mentioned above is a little more coin @ $114, but is really nice with a great filter setup.
I even filled the Baldwin filter w/ diesel fuel to help clear out the air quicker in hoping to see the difference right away.
The ITP kit mentioned above is a little more coin @ $114, but is really nice with a great filter setup.
Thread Starter
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Elder User
Joined: Nov 2003
Posts: 723
Likes: 1
From: Spring, Texas
Originally Posted by Kwikkordead
It doesn't make it any quieter, but rather just evens out the diesel sound.
Sort of a transition from chunky to smooth.
Sort of a transition from chunky to smooth.
What he said! The difference is at idle. Your truck has one sensor that monitors the oil pressure for both heads. That sensor is in the drivers side head so with the stock set up the sensor really only accounts for the drivers side head. It does not know what is happening on the passenger side. The crossover tube hooks the oil flow together which helps even out the flow and allows the sensor to adjust the pressure more accurately for both heads not just the drivers side. This inturn helps the motor to run more precisely.
I think I spent $45 and the change it made was well worth the money.
Again the sound only changes at idle. It will be the same when you accelerate. You will still awaken the neighbors.
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Elder User
Joined: Nov 2003
Posts: 723
Likes: 1
From: Spring, Texas
Originally Posted by ron01sd
cool. lol they really love me (not). i have acsess to all kinds of brass fittings and fitting to make hoses but what rated psi of hose should i use?
Last edited by haulingboat; Jan 15, 2008 at 10:41 AM.
Posting Guru
Joined: Aug 2007
Posts: 1,852
Likes: 1
From: Sonoita Hills, AZ
So, the filter and hose are 5/16ths, and the actual intank mod is 3/8ths. Might be easier and cheaper to just make the kit. 3/8 compression union, 3/8 tubing, 5/16 gas line and 5/16 filter. and some clamps. Does that sound about right?
Actually the line before the pump could just be cut and the filter installed.
Actually the line before the pump could just be cut and the filter installed.
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Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Patrick-
The fitting right before the fuel pump should be removed because they will at times suck air into the fuel system. The whole reason for this MOD is to keep air out of the fuel system. My .02 cents
The fitting right before the fuel pump should be removed because they will at times suck air into the fuel system. The whole reason for this MOD is to keep air out of the fuel system. My .02 cents
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
Yeah, you could put your own together. Several here have. I decided to go with the ITP kit minus the filter since I knew I could use a cheap inline for the time being. The fuel filter bowl delete isn't in my immediate future, so it's okay the way it is for now.
The important things to fix are the quick-disconnects between the tank & pump, get rid of the mixing chamber, extend the line down the pickup foot to stop the auxiliary pickup, and extend the discharge line so any air that gets returned stays away from the intake as well as indicator float. And of course the pre-pump filter already discussed.
The instructions on the ITP site or guzzle's site should be enough to get you through it. I just didn't feel like trying to find the parts myself -- it was worth the premium to me for all the parts ready to go, pre-bent, and in one box.
The important things to fix are the quick-disconnects between the tank & pump, get rid of the mixing chamber, extend the line down the pickup foot to stop the auxiliary pickup, and extend the discharge line so any air that gets returned stays away from the intake as well as indicator float. And of course the pre-pump filter already discussed.
The instructions on the ITP site or guzzle's site should be enough to get you through it. I just didn't feel like trying to find the parts myself -- it was worth the premium to me for all the parts ready to go, pre-bent, and in one box.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Originally Posted by PaysonPSD
Patrick-
The fitting right before the_fuel_pump_should be removed because they will at times suck air into the fuel system. The whole reason for this MOD is to keep air out of the fuel system. My .02 cents
The fitting right before the_fuel_pump_should be removed because they will at times suck air into the fuel system. The whole reason for this MOD is to keep air out of the fuel system. My .02 cents
Last edited by Kwikkordead; Jan 15, 2008 at 11:09 AM.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Originally Posted by ron01sd
im sorry i should have worded it diff what is the lowest psi rated hose that should be used. we have alot of 400psi hose at the shop would that work or is it to small?
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
I understand why you would want to extend the fuel return line to get it away from the pickup to lessen the chance on introducing air at that point. Would shortening the return line have the same effect? I have never heard that mentioned. Would it have an adverse effect? Does the return line have to be immersed in the fuel? 