Wastegate actuator question. - Ford Powerstroke Diesel Forum

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post #1 of 14 Old 05-06-2008, 07:12 PM Thread Starter
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Wastegate actuator question.

I already have the red line unplugged on my wastegate acuator but I was wondering if I tighted the wastegate actuator a couple turns would it give me a few more lbs of boost? I am just trying to squeeze a couple more lbs out of my stock turbo.

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post #2 of 14 Old 05-06-2008, 08:54 PM Thread Starter
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bump... Would it increase my boost pressure any with the red line already unplugged.

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2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

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post #3 of 14 Old 05-06-2008, 09:32 PM
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don't bother and hook the line back up. more boost does NOT = more power. I've seen it on the dyno more than once where someone hooks their gate back up and gains power and finds out they have better mileage as well. The turbos are only efficient to a certin point and after that you are heating the air more and not flowing any more.
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post #4 of 14 Old 05-07-2008, 06:51 PM
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I actually tried this after hearing all the hoopla about unhooking the wastegate. I ran it this way for about 2 days and come to find out that I actually lost 3-4 psi. The most boost I could get at WOT was around 14 psi. I hooked it back up and was right at 17 psi. Now after adding the DP tuner, I'm seeing 23 psi and have only got to 24 psi once, but that was really stomping on it through all the gears. I plan on adding the Turbomaster wastegate so I can get to my max boost quicker.

Chris

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Terminator modded HPOP, CCV, 203° T, SS HPX, ITP OBA, Oilguard, Intank/Prepump mods, Ford AIS/zoodad, ITP regulated return, 08 Differential Cover, Autometer Pyro/Boost, 4" MKO straight-piped, Diesel Site A/C Bypass, DieselSite Coolant Filter Kit, DP F5 (stock, no start, high idle, 80e), gutted/plugged EBPV, TurboMaster WG, Aerotank 55 gal replacement tank, AutoEnginuity
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post #5 of 14 Old 05-08-2008, 08:11 AM Thread Starter
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Did you plug the red line? If you just unplug it you will loose boost. I plugged mine on one of the inter cooler boot clamps and my turbo spools up a lot quicker and I gained a couple lbs of boost. I know that if I still have the red line hooked up and I tighten the waste actuator rod a couple turns I will gian a couple lbs but I was wondering will I still gain a couple lbs with it plugged?

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Ty Lord
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post #6 of 14 Old 05-08-2008, 01:00 PM
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Quote:
Originally Posted by lords88 View Post
Did you plug the red line? If you just unplug it you will loose boost. I plugged mine on one of the inter cooler boot clamps and my turbo spools up a lot quicker and I gained a couple lbs of boost. I know that if I still have the red line hooked up and I tighten the waste actuator rod a couple turns I will gian a couple lbs but I was wondering will I still gain a couple lbs with it plugged?
Yes I plugged mine when I experimented and still lost boost.

Chris

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post #7 of 14 Old 05-08-2008, 01:20 PM Thread Starter
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hmm thats wierd... I know I gained about 2 lbs and my turbo spools up a lot faster.

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2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

Ty Lord
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post #8 of 14 Old 05-08-2008, 01:50 PM
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Quote:
Originally Posted by cvdenson View Post
I actually tried this after hearing all the hoopla about unhooking the wastegate. I ran it this way for about 2 days and come to find out that I actually lost 3-4 psi. The most boost I could get at WOT was around 14 psi. I hooked it back up and was right at 17 psi. Now after adding the DP tuner, I'm seeing 23 psi and have only got to 24 psi once, but that was really stomping on it through all the gears. I plan on adding the Turbomaster wastegate so I can get to my max boost quicker.

Chris
I would think with the DP tuner that you'd be hitting 25psi+
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post #9 of 14 Old 05-08-2008, 02:15 PM
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Originally Posted by cvdenson View Post
Now after adding the DP tuner, I'm seeing 23 psi and have only got to 24 psi once, but that was really stomping on it through all the gears. I plan on adding the Turbomaster wastegate so I can get to my max boost quicker.

Chris
You are only making 23psi? You have supporting mods right? Im making 35 with my tunes but mine done by Swamps.


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post #10 of 14 Old 05-08-2008, 04:33 PM
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Yeah I think I have the supporting mods you're talking about in my sig. Keep in mind, I'm only running with a DP 80e, and plan on adding more later after I get bigger oil, a turbomaster waistgate, and beans D66 (that'll be later on).

My brother-in-law is making the same amount of boost as me with a little less supporting mods in his '01 F250, and he runs the DP 60t, 80e, and 120r.

Chris

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Early ’99 F350 XLT 4x2 CC LB SRW 6sp
Terminator modded HPOP, CCV, 203° T, SS HPX, ITP OBA, Oilguard, Intank/Prepump mods, Ford AIS/zoodad, ITP regulated return, 08 Differential Cover, Autometer Pyro/Boost, 4" MKO straight-piped, Diesel Site A/C Bypass, DieselSite Coolant Filter Kit, DP F5 (stock, no start, high idle, 80e), gutted/plugged EBPV, TurboMaster WG, Aerotank 55 gal replacement tank, AutoEnginuity
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