New 6 Position Chip vs. Old SCMT?
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New 6 Position Chip vs. Old SCMT?
I've been a member and lurked on this forum for years, and have learned much, but I believe this is my first post. I have a '97 Powerstroke that I have owned since '02. Crew cab, 4wd, swb, 5 speed, just turned over 200K miles. Used as a daily driver and for towing various stuff, up to a 10K 5th wheel. I installed a 3" downpipe and K&N factory airbox filter shortly after buying the truck, and then bought a Superchips 1705 Microtuner and pyrometer. Ran it that way for years only on high performance setting, and it has served me well. Max EGT I ever saw pulling the 5th wheel was 1250.
But, we all want more power, right? Especially towing the 5th wheel, which is my truck's primary job. I recently installed a 6637 intake and 4" exhuast with highflow Magnaflow muffler, and somehow lost my cat. There is a little more power there, and the max EGT I see now is 1100, but would love to have more power for pulling the 5th wheel up long grades, etc.
Long story, short question: Would a new 6 position chip programmed for my truck make much difference in my towing performace over the SCMT if I make no other mods? Thanks for any experience or advice!
But, we all want more power, right? Especially towing the 5th wheel, which is my truck's primary job. I recently installed a 6637 intake and 4" exhuast with highflow Magnaflow muffler, and somehow lost my cat. There is a little more power there, and the max EGT I see now is 1100, but would love to have more power for pulling the 5th wheel up long grades, etc.
Long story, short question: Would a new 6 position chip programmed for my truck make much difference in my towing performace over the SCMT if I make no other mods? Thanks for any experience or advice!
Hotshot
Joined: Jun 2007
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From: Austin, TX
Welcome to FTE!!! Post up a bit more when your around. We are like one big strangely disfunctional, but awesome family here.
You won't notice a huge difference with your stock injectors, but you should notice a little more power. Where custom tuning really shines is if you decide to bump up your injector size. If you do that you'll notice a big difference in how the truck runs.
You won't notice a huge difference with your stock injectors, but you should notice a little more power. Where custom tuning really shines is if you decide to bump up your injector size. If you do that you'll notice a big difference in how the truck runs.
Hotshot
Joined: Jun 2007
Posts: 10,008
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From: Austin, TX
He's saying you'll only get about 60-70hp over stock with no tuning with the addition of any chip, period. Now the Superchip may give you less than that, so you will feel a difference with custom tuning. The OBS can not achieve the gains in stock form from a chip that later models do b/c the injectors can't flow enough fuel. Step those up to stage 1's or larger and you can get great gains with the chip.
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Posting Guru
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^^^what he said. So basically, if you get a chip and have it on 100 hp setting, your really only going to get 70 because our standard 90cc injectors can only flow so much. You could go to stage 1's, which flow 120cc. But yes, a tuned ts chip will be better than the scmt
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Thanks for all the feedback. In summary it sounds like I could get some small power gain with a custom chip over the SCMT just due to the better tuning, but I'm not going to see a significant increase unless I step up to stage 1 injectors. Superchips' claim of 80 hp gain for OBS trucks obviously can not be true if I could get more power from a custom chip, and the best I could do would be around 70 hp due to injector size.
Y'all have been a big help, but now you have me seriously thinking about stage 1's! Any suggestions on the best place to buy injectors? Any other mods required for stage 1's?
Y'all have been a big help, but now you have me seriously thinking about stage 1's! Any suggestions on the best place to buy injectors? Any other mods required for stage 1's?
Post Fiend
Joined: Dec 2010
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From: Orrville, Ohio
See Jim at Rosewood Diesel Shop for injectors. He will fix you up right and his prices can't be beat.
Hotshot
Joined: Jun 2007
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From: Austin, TX
stage 1 injectors are 160cc injectors with stock injector nozzles. So, quite a bit larger than stock. You will be capable of 350hp with supporting mods such as intercooler, HPOP, and tuning with these injectors.
Do you have an idea of how much power you may want down the road? The reason for asking is b/c we can get you as high as 500-550hp and still be a pretty reliable tow rig. If you may want more than 350hp down the road, you need to start with a larger injector size now and have them detuned to keep your stock turbo alive until you can upgrade. Just felt like that should be asked.
Stock truck with chip will dyno between 200-230hp at the wheels
stage 1's with supporting mods can do 350hp easily with the stock turbo. A little more even with a slightly larger turbo. That should help for you to know the difference injectors make.
Do you have an idea of how much power you may want down the road? The reason for asking is b/c we can get you as high as 500-550hp and still be a pretty reliable tow rig. If you may want more than 350hp down the road, you need to start with a larger injector size now and have them detuned to keep your stock turbo alive until you can upgrade. Just felt like that should be asked.
Stock truck with chip will dyno between 200-230hp at the wheels
stage 1's with supporting mods can do 350hp easily with the stock turbo. A little more even with a slightly larger turbo. That should help for you to know the difference injectors make.
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I really don't think I would ever go over the 350 hp range. If I am in the 200-230 hp range like you said, 300-350 hp would probably meet my needs just fine. At what point do you need the "supporting mods"? If I go stage 1's and tuning with my modified intake and exhaust, do I have to have the intercooler?
Posting Guru
Joined: Dec 2008
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From: Maysville, Kentucky
If you tow alot the intercooler will help to keep your EGT's down. I'm right at 300 and I need more but it does tow alot better then when I first got it stock. I'm shooting for the 550 range tow rig. For the benifit of the intercooler vs the price it is a good mod.
FOREIGN GURU
Joined: Jul 2006
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From: Celaya, Gto. MX
I really don't think I would ever go over the 350 hp range. If I am in the 200-230 hp range like you said, 300-350 hp would probably meet my needs just fine. At what point do you need the "supporting mods"? If I go stage 1's and tuning with my modified intake and exhaust, do I have to have the intercooler?
Wow your first post since 2003, you are very reading and quiet man LOL. And another welcome for you.
And dont say what its remarked in blue, I remeber I said something similar time ago: first I said no chip, then no IC, only the basics: intake and exhaust. But NOW see my signature and I want stages 1, and IDK what more.
ITS THE PSS (power stroke syndrome) that you surely has reading aroud here. 
