75 percent nozzles or a Ported Intake - Ford Powerstroke Diesel Forum
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Old 06-04-2013, 09:22 AM
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75 percent nozzles or a Ported Intake

Im getting ready to order the parts for my build. I was going to go with 175 stock nozzles but after doing a little reading Im thinking of going with 175/75 injectors. I also want a ported intake but cant afford to do both right now. What do you think would be the better setup? The ported intake manifold or the 75 nozzles for my injectors?
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Old 06-04-2013, 09:28 AM
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I would do the ported intake manifold first.
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Old 06-04-2013, 09:33 AM
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And I wouldn't get those 175's with anything bigger than 30 nozzles. It's easy enough to port your own intake, especially if you can weld aluminum yourself. If not all you have is the cost to weld it back together.
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Old 06-04-2013, 09:35 AM
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I would do 175/stock injectors with a ported intake. 175/75s are too large and will need to be defueled so they do not smoke like a train.
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Old 06-04-2013, 09:42 AM
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I will be getting a mtw stage 1 with it also so the smoke shouldn't be bad. I can weld pretty good so I may just try making my own manifold. Never really thought about doing my own.
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Old 06-04-2013, 09:43 AM
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Yeah if youre truck will be apart, Id do the manifold ( as its beneficial on both stock inj. and aftermarkets. ) And the injectors are a bit easier to change out later in the game.
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Old 06-04-2013, 11:17 AM
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After tearing into my engine on four different occasions after I save up for manifold and all ford updates like STC and standpipes, then studs, then BPD oil cooler kit, then last time injectors & turbo - that was redicukous. If I had to start over I'd wait to afford it all or put some on a credit card!! Doing the work twice I coulda done once was bad idea! Oh well what's hard to endure is fond to remember...
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Old 06-04-2013, 11:19 AM
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Lol I hear that. I'm not even sure I really want the nozzles. I'm not looking to make a drag truck just a bit more power.
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Old 06-04-2013, 11:35 AM
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I just did mtw stage 1 with 175cc/stock nozzles and the mtw stage 1 will not clear them up all the way... it gets close. I see no reason to go with nozzles. I would do the manifold or pay the extra for the hybrid turbo.

175cc/stock nozzles = $700
175cc/75% nozzles = $1400

That will not get you much more hp and will cause major egt's
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Old 06-04-2013, 11:46 AM
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175cc injectors are still too big for the hybrid turbo too. I can assure you that the difference in airflow between the two is SO nominal that the extra money that would be spent getting the hybrid would be WAY better spent on being put towards a fully ported intake manifold. The Stage 1 (especially since it comes standard with the billet wheel) is a dandy little turbo and allows me to drive around fine with my 190/100s and the right tuning. As long as I don't get into it, EGTs stay under 1000F even driving around on the switch backs of WV.
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