Gutting EBV - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 09-02-2009, 11:25 AM   #1 (permalink)
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Gutting EBV

I've seen people gutting the EBV and I have a stupid question surrounding this. What are the benefits and draw back in gutting the ebv? I'm having to replace leaking oil seal around my turbo, I figre I'm already there might as well. I just didn't know what the purpose was other than better flow but what draw backs there were in doing this.
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70 Bronco 351W, World class heads, 4:10 gears, 33x12.5 Swampers, Twin stick, Detroit locker rear, NP435 4 spd, Dyno'd 381 hp at the crank.
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Old 09-02-2009, 01:42 PM   #2 (permalink)
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Here is some info on the EBPV and what it does.

exhaust backpressure valve?
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Old 09-02-2009, 02:26 PM   #3 (permalink)
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Originally Posted by woodnthings8 View Post
Here is some info on the EBPV and what it does.

exhaust backpressure valve?
Seems like more a of a hassle to remove it for what you get out of it if that made sense. I understand making the restriction of air flow but just seems like a lot for work for not much gain. Am I off on that?
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70 Bronco 351W, World class heads, 4:10 gears, 33x12.5 Swampers, Twin stick, Detroit locker rear, NP435 4 spd, Dyno'd 381 hp at the crank.
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Old 09-02-2009, 03:03 PM   #4 (permalink)
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Some people will remove anything that looks like an obstuction, like this piece and the IAH, IIRC.
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Old 09-02-2009, 04:58 PM   #5 (permalink)
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Seems like more a of a hassle to remove it for what you get out of it if that made sense. I understand making the restriction of air flow but just seems like a lot for work for not much gain. Am I off on that?
A "gain" if you will, is that you can do it at a time of your choosing. When the EBPV leaks, it could be at the time most inconvenient to you. In my case, it was the middle of winter.
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Old 09-02-2009, 05:26 PM   #6 (permalink)
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If you have a stock truck - you will not likely get any benefit from gutting the EBPV. When you start to open up things like intake, larger turbo / housing. exhaust, then there can be a benefit from eliminating it.

Also, keep in mind that when the valve is open, the plate is parallel with the air flow. The airflow is spinning and so it it a greater air disturbance then just the reduced outlet area.

Eliminating this piece can lower drive pressures and lower EGTs.

I used to use mine for the brake and for manual activation to keep the engine warm while sleeping in the winter in the - worked great for this. I cannot say how much removing it impacted my engine as I put a new turbo on at the same time. maybe not that much - but when towing at 105F, i'll take any reduction in EGTs!
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