Got new turbo. New Injectors??-want to install myself, first. - Ford Powerstroke Diesel Forum
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Old 10-16-2012, 01:03 PM
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Got new turbo. New Injectors??-want to install myself, first.

Hey I just ordered the GT3788VA-Powermax turbo (stage 1) to replace my blown stock turbo. This collection of events has got my compression ignition fire blazing again and I am looking into finally ordering my SCT custom tuner. I also would like to start learning how to do somewhat challenging things on my truck such as putting in new, bigger injectors. My question is, what injectors should I get with these upgrades: powermax turbo, 4inch turbo back exhaust, apr head studs, egr delete, replaced high pressure oil pump, banks cold air intake, banks high ram intake, Sun coast Torque converter, and I had a friend of mine do alot of the work and he said he also upped the cc's on my injectors? or something like that. (He said he made it to where more fuel was pumped because its better for the engine.) I also have no immediate plans of much other upgrades. This is my daily driver. Other question: Will installing the injectors myself be to much? and will I have to upgrade any thing else like the fuel pump? My mechanic experience-installed intake components listed, general knowledge, nack for mechanical things, and installed multiple steering stabilizers.
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Old 10-16-2012, 02:04 PM
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155/30 injectors from Jesse Warren. If you are mechanically inclined doing injectors isn't hard, just time consuming and requires a pretty good selection of tools.
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Old 10-16-2012, 02:40 PM
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Edit: get a fuel psi gauge and see how your pump holds psi before upgrading. Definitely something to consider though.

Last edited by DoubleDpsd; 10-16-2012 at 07:48 PM.
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Old 10-16-2012, 02:46 PM
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I agree with Mitch on the 155's. Injectors on a 6.0 are not hard to install but you do have to have patience and a good selection of tools. Also a good torque wrench. You may want to YouTube 6.0 injector replacement before you start just to get an idea of what all is involved in the process. If you go bigger than 155's you are probably going to have to get an aftermarket fuel pump. I know my 155's would drop fuel pressure with my factory pump and the blue spring upgrade on a strong tune. But your stock pump might hold 155's just fine. Each truck is different. But you do need a fuel pressure gauge so you can monitor it.
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Old 10-23-2012, 10:04 PM
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Will getting Bigger injectors put extra wear on my fuel pump? Meaning risking the chance of blowing the pump.
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Old 10-23-2012, 10:35 PM
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The 155's or 175's will flow more fuel therefore your pump will need to be able to keep up with the demand. Have you already studded the truck? Or is that something your gonna do eventually but are now going to do injectors and later on do the studs and gaskets?

If you haven't studded the truck personally I would stay away from injectors and turbo and all these other upgrades you want to do until you add studs first then do these upgrades as part of the reassembly if you haven't already had the truck studded.

Also I have 175's in my truck and my stock fuel system holds psi just fine. 63-65 idle and 59-60 WOT.
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Old 10-24-2012, 08:24 AM
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Ya I am studded with EGR delete and replaced high pressure oil pump. I don't want to go crazy with fuel supply but I thought since I am upgrading my turbo and getting my SCT that I think bigger injectors would be nice.
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Old 10-24-2012, 08:31 AM
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Quote:
Originally Posted by darsey715 View Post
Edit: get a fuel psi gauge and see how your pump holds psi before upgrading. Definitely something to consider though.
What he said^^^^^

Do you know what your fuel psi is doing at the moment??


Sent from my iPhone using Autoguide
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Old 10-30-2012, 01:53 PM
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Oh shoot man I thought I replied a while ago. But no I do not know my psi
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Old 10-30-2012, 03:10 PM
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A GOGO Stage 1 manifold will help that Pmax breathe and provide better results than larger injectors.
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