Who actually tows w/ stage 3s or b codes? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 79 (permalink) Old 03-03-2009, 02:51 PM Thread Starter
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Who actually tows w/ stage 3s or b codes?

I mean heavy, and not just around town. If you do, what's your setup and what's the gross weight?

I'm grossing 25k loaded w/ .007 b codes terminator pumps, fuel and a 66mm modded H2.

I'm asking because I am having trouble w/ my EGTs. I've swapped turbos, (H2 62mm-66mm) stepped up from 430s to 456s, live tuned, and still fight w/ EGTs.

I thought at first that I was running too small of a turbo, so I went to the larger turbo. Still have to feather the throttle. Same w/ the swap from 430s-456 gears. I have been thinking about water, but I'm not sure that's the best answer.

When I'm running flat in OD I can hold [email protected] around 75mph / 15psi and 1050. If I lug it at all or just cruise, (1900-2100rpms) the EGTs climb, and I end up having to down shift. If I hit a hill in OD, my boost goes to 25-30psi and I start getting up to 1250-1350. I start feathering the pedal to keep it around 1250, and the rpms start dropping and I slow to around [email protected] around 65mph. I down shift, and my EGTs will drop to around 1050 again w/ 20-25psi. In 3rd, I'm running about [email protected] 65mph. I don't like to tow at that rpm, so I drop to [email protected] 65mph. If I push 30 psi, the EGTs start getting hot again.

I also get really crappy millage while towing. I drove 75 miles and put 12 gallons in it. That's like 6.2mpg. My brother has a 2000 w/ intake, exhaust and a DP chip. He took 7 gallons. His gross weight is about 8k less than me too.


I am thinking that I should drop to stage 2s, and see how it tows. I just hate to give up the b codes. Any ideas?

99 F350 CCLB
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post #2 of 79 (permalink) Old 03-03-2009, 03:08 PM
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Re: Who actually tows w/ stage 3s or b codes?

twins

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post #3 of 79 (permalink) Old 03-03-2009, 03:12 PM Thread Starter
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Re: Who actually tows w/ stage 3s or b codes?

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Originally Posted by mattrac View Post
twins
I have thought about twins, but want to see if I can get this single setup to work. I really want to keep my AC intact also.

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post #4 of 79 (permalink) Old 03-03-2009, 03:17 PM
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Re: Who actually tows w/ stage 3s or b codes?

The load is irrelevant.

If you can hold the truck at WOT and not run hot you're good. Then the only thing load changes is mph, not egt.

As should be the case.

You can tow harder with an off the shelf 38R than your tranny, t-case, driveshaft and rear differential can handle in terms of scorching fluid and melting u-joints.

Egt shoudld not be your limiting factor. Although I could see rear differential fluid temp being one.
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post #5 of 79 (permalink) Old 03-03-2009, 03:21 PM
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Re: Who actually tows w/ stage 3s or b codes?

I cant see stage 2s helping your situation. Dont they have a larger nozzle then your .007 bcodes have?

DRW and tow fast parts.......
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post #6 of 79 (permalink) Old 03-03-2009, 03:24 PM Thread Starter
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Re: Who actually tows w/ stage 3s or b codes?

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Originally Posted by Charles View Post
The load is irrelevant.

If you can hold the truck at WOT and not run hot you're good. Then the only thing load changes is mph, not egt.

As should be the case.

You can tow harder with an off the shelf 38R than your tranny, t-case, driveshaft and rear differential can handle in terms of scorching fluid and melting u-joints.

Egt shoudld not be your limiting factor. Although I could see rear differential fluid temp being one.
There is no way that I can hold WOT empty. I peg the gauge if
I blink. If I hold it WOT I hit 48psi, and the EGTs are at 1600. I have to back off to 1/2-3/4 (about 40psi) and they EGTs drop to about 1250.
My tranny is chillin @ 160 while towing. Last July going up the Baker grade, I hit 195. That was the hottest it ever got.

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post #7 of 79 (permalink) Old 03-03-2009, 03:25 PM Thread Starter
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Re: Who actually tows w/ stage 3s or b codes?

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I cant see stage 2s helping your situation. Dont they have a larger nozzle then your .007 bcodes have?
So then, what's the issue?

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post #8 of 79 (permalink) Old 03-03-2009, 03:29 PM
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Re: Who actually tows w/ stage 3s or b codes?

Going to a larger nozzle would make things worse. All things the same, (in my oppinion anyways, could be proven wrong) It usually lowers injection pressure, makes more smoke etc. I think what Charles is talking about is the programming. If your towing and holding 75mph grossing 25k, you probably are running in a pretty high hp setting. Sounds like you need a program more suited for what your doing? But I could just be an idiot with a keyboard.

DRW and tow fast parts.......
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post #9 of 79 (permalink) Old 03-03-2009, 03:34 PM
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Re: Who actually tows w/ stage 3s or b codes?

I have about 500 miles of towing 26k on my new motor already with no egt issues. ~250 CC b-codes with 100% nozzles. 38r w/ 1.15 housing But I do tow up at 2800 when pulling hills. I have always believed a motor designed for 100% duty cycle turning a pump, genset, etc can safely run at that range.


But I agree with Charles, and plan to go with compounds this coming fall/winter.

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post #10 of 79 (permalink) Old 03-03-2009, 03:35 PM
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Re: Who actually tows w/ stage 3s or b codes?

I'm surprised you're having EGT issues... Do you have an uppipe leak, a boost leak or something?

Water really helps.... and is cheaper then a new charger or compounds.

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