injectors 205/30 or 238/80 - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 01-06-2020, 11:27 AM Thread Starter
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injectors 205/30 or 238/80

I have a 2000 Ex with 250k. 4 in exhaust . afe air intake and DP tunes. Thinking about injectors and Turbo. Daily Drives with occasional towing up to 10K lbs.

How big injector is too big for towing? assuming theirs tow tunes for big injectors. Is there a mileage difference between 30 or 80% nozzles?

Thinking if there is I'd want the 205/30's if not then the 80's and if that is the case why not go up to 238/80's?

Would a turbo big enough for this be too big to put on 1st with my stock injectors?

Looking for more power to play with without giving up mileage and ability to tow.

2000 Excusion , 250,000 mi
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4in FBD exhaust W/ Muff
Dp tunes 40 tow, 80 econ, 120,and 140
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post #2 of 12 Old 01-06-2020, 11:35 AM
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It would be best to speak with a vendor to get your injector/turbo combo personalized. Reach out to KC Turbo, Full force diesel cncfab llc, riffraff diesel performance etc. Yes you will also be required to run a ts 6pos chip, php hydra chip, or another tuner capable of running custom tunes to run right after the injector swap.

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post #3 of 12 Old 01-06-2020, 11:58 AM
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You'll need to do some work with your trans if you expect to utilize any fuel/turbo upgrades.

Get away from Jody before any upgrades is a great place to start. Then look around for a tuner and actually pick up the phone and talk with them and see what they recommend for your "plan" and usage.

1 of our farm trucks (CCLB F450 Dually) that's usually hooked to 10-15K has been running a 38r and 238/80s for 8 years with old TW tuning without an issue. 14 mpg empty/8-10 mpg loaded.

38R Turbo drop in turbo. stock-550 hp
https://www.riffraffdiesel.com/garre...bearing-turbo/

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post #4 of 12 Old 01-06-2020, 12:06 PM
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My brothers truck has 180/30s running the stock turbo and pulls 10k like it isn't even there. plenty of power and gets 18 mpg unloaded and 9 mpg towing anything more than 10k pounds. If you want to stay simple and cheaper that option is great.
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post #5 of 12 Old 01-06-2020, 02:53 PM
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injectors 205/30 or 238/80

The 30% nozzles will be much safer towing with. You can pull back fuel for towing and have much better atomization with a 30% nozzle vs 80%

If you want to go big and have a great towing setup, go with the 238/80s, a FASS or Airdog fuel system, and a T4 mount kit & turbo to keep EGTs down


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post #6 of 12 Old 01-06-2020, 07:10 PM
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I would go with the 238/80s but you are going to need a bunch of other modifications to run them effectively.

00 f250 ext. cab, lb, 4x4, 170,000, zf 6 speed, South Bend 1944ofe, 4 in lift, 315/75/16 Courser MXTs, rear Detroit locker, PMF traction bars, Full Force 180/80 injectors, KC 300x 63/73/.84 turbo, PHP Hydra, Riff Raff frx,, Dieselsite pre pump kit, Dorman up pipes,IAH delete, ccv mod, 6637 filter, Auto Meter gauges, Edge CS2, 4 in diamod eye straight pipe 6 in tip.
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post #7 of 12 Old 01-06-2020, 07:58 PM
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Quote:
Originally Posted by CloverLeafFarm View Post
You'll need to do some work with your trans if you expect to utilize any fuel/turbo upgrades.

Get away from Jody before any upgrades is a great place to start. Then look around for a tuner and actually pick up the phone and talk with them and see what they recommend for your "plan" and usage.

1 of our farm trucks (CCLB F450 Dually) that's usually hooked to 10-15K has been running a 38r and 238/80s for 8 years with old TW tuning without an issue. 14 mpg empty/8-10 mpg loaded.

38R Turbo drop in turbo. stock-550 hp
https://www.riffraffdiesel.com/garre...bearing-turbo/


Whatís wrong with DP tunes?


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post #8 of 12 Old 01-07-2020, 04:34 AM
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Originally Posted by rossi141 View Post
Whatís wrong with DP tunes?


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Nothing, DP tunes are good. The main reason people don't like them is because they don't sell tunes for the Hydra chip, so if you have a DP chip you are stuck with using DP for all of your tuning.

00 f250 ext. cab, lb, 4x4, 170,000, zf 6 speed, South Bend 1944ofe, 4 in lift, 315/75/16 Courser MXTs, rear Detroit locker, PMF traction bars, Full Force 180/80 injectors, KC 300x 63/73/.84 turbo, PHP Hydra, Riff Raff frx,, Dieselsite pre pump kit, Dorman up pipes,IAH delete, ccv mod, 6637 filter, Auto Meter gauges, Edge CS2, 4 in diamod eye straight pipe 6 in tip.
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post #9 of 12 Old 01-07-2020, 05:56 AM
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Originally Posted by rossi141 View Post
Whatís wrong with DP tunes?


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from my experience back in the day when I "tried" his tuning with a set of small hybrids and a 66mm turbo I had a lot of tuning issues. I data logged my stuff regularly when driving/towing/pulling/racing and would send the info off to him to re-calibrate based on our conversations and desires. the results were much less than desired and the end results were always very smokey early on until lighting the turbo and once light it had minimal top end fueling.
Tried various housings/wheels etc to no prevail.
Granted that's been maybe 7-8 years ago by now.

But a local guy had similar issues last year with him and I worked with him to try to get his tuning cleared up by doing similar stuff. just a basic 160/30 38r combo on a tow rig, very smokey early on with high ICP readings then dead pedal until lighting. So we decided to go another route for tuning.
smooth sailing.

some people have decent luck with his stuff. But his name isn't as common amongst the 5-600+ hp guys for tuning.
Good luck

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post #10 of 12 Old 01-08-2020, 03:43 PM
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So a questions about the 230/80's. When driving at night, is the exhaust undetectable? I know I'm a 6.0L guy, but even with the "cleanest" tuning (Bill @ PHP), with 195/75's (and almost every other mod that can be made), at night, my exhaust is a grey haze, until the turbo spools slightly. It is worst at a signal, where people are all stacked behind me. For those of us in COMMIfornia, that does not look good. We have "anonymous" reporting to CARB (Ca Air Resources Board), where I have received 2 notifications of a "smoking" truck, because I dumped it hard for some reason. And with all the cameras in cars these days..........you know.... In daylight, the exhaust, unless hammered down, is clear and non-existent, for the most part. I was just wondering if it the same with you guys with the 7.0. Governments are trying to get rid of us, and rolling coal doesn't look good, even slightly smoking is not good, with all the electric and brand new vehicles (especially here in SoCal). Sorry if I'm outta place, I just think it's something to be thought about, since it is not going to get any better for us. And my monster is my daily driver. And bigger injectors/nozzles usually don't get one better mileage, since they are literally a bigger syringe, dumping into the engine, so it's harder to atomize and regulate low flow at low rpm/low turbo pressure.

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Last edited by The Figurehead; 01-08-2020 at 03:47 PM.
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