My fuel mod :) - Ford Powerstroke Diesel Forum
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  #1  
Old 07-29-2009, 07:07 PM
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My fuel mod :)

I got the passenger done but the the driver is trying to hide from me so when I do a coolant flush and filter kit I will get to it then.

simple.
I took the bolt(17mm) out made the holes bigger for more flow. Put it back on and for got and lost washer. Took bolt back off, went to ace got washer and put the bolt back on. All done and better than new.

When I drilled out the bolt I had to keep in mind alignment and High fuel pressure. I forget what size I drilled but its bigger. I did not drill out the anti flow back valve.








That is the hole I drilled out^^^^^^^^^^^^^^^^^^^








I used 2-stroke oil to lube the bolt and the components.^^^^^^^^^


all done!!!!!

I used brake cleaner to clean the bolt. Pipe cleaners to clean the hole. I made sure there were no burrs or any metal shavings at all.

I took a really long time cleaning and cleaning and cleaning on one simple bolt. But you have too!!! if you love your injectors, and I guess you wallet too. I even checked and cleaned vigorously the perpendicular intersecting of the fuel flow on the bolt. The flow is like a T.

NO HIJACKING
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  #2  
Old 07-29-2009, 07:18 PM
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nice signature mod

did you put the check valve back in there? i just notice that you only drilled out the side hole?!

Last edited by 03f250stroke; 07-29-2009 at 07:22 PM.
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  #3  
Old 07-29-2009, 07:47 PM
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I have a few questions can you give alittle more info on what and how you did it and did it make the truck smoke more ?
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Old 07-29-2009, 08:02 PM
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I've seen that on powerstrokehelp.com. The guy there is a moron. Not saying anything bad about the mod though. Did it help? I've heard some say its pointless and guys like marty who are runnin mass HP haven't done this. Whats the butt dyno say?
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  #5  
Old 07-30-2009, 01:49 AM
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seems like a good idea but it also seems like more hassle than it's worth I'm no expert...
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Old 07-30-2009, 04:36 AM
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The intent to allow more fuel into the heads. The idea of drilling banjo bolts has been around on other boards for a few years now. Some feel the RR kit is the best solution using -6 up to -8 fuel lines to the heads. Another argument is to just drill out the banjo bolts on the front of the heads.

I was able to locally source banjo bolts with larger openings and no check valve. I just swapped in larger steel lines and the larger banjo bolts to the front of the heads with no real gains. Yes getting to these banjo bolts is difficult but I could do it again easily if I needed to. I don't think you will get more smoke from drilling the bolts.

There is a reality that at WOT the rear injectors are getting starved for fuel. Open up the restrictions and they get feed the fuel they need. Drill the bolts or install a RR kit, it's your choice.
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  #7  
Old 07-30-2009, 04:41 AM
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Nice mod man. let us know how it turns out =) thumbs up buddy
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Old 07-30-2009, 04:43 AM
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Is it really worth doing?
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  #9  
Old 07-30-2009, 04:47 AM
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If you are using a tuner or want to get to some high HP numbers upgrading the fuel system is important to maintain injector life. For a stock truck it's not worth the effort, for modded trucks it's not going to hurt to get a RR kit or go to larger banjos.
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Old 07-30-2009, 04:48 AM
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That sounds like something to do when Im bored out of my mind .
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