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Old 12-12-2017, 10:32 AM   #36
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Correct, but the boost controller governs the wastegate. Without commanding more boost via the controller, changing a wastegate essentially changes nothing.

What changing a wastegate can, or does, do is a few things:

1. Dictates the lowest boost possible to run. With a 12 psi spring, if you unhooked everything the turbo would basically only run at 12 psi give or take.

2. Dictates control. A wastegate can really only handle about 1.5 - 2 times spring pressure, so if you're running 20 psi on a 7 pound spring you're going to have poor boost control. By going to a 12 pound spring, you essentially have good boost control - as far as the wastegate is concerned - to like 25-30 psi give or take.

3. Dictates spool ... kinda. This again will come down to the boost controller and the tune, but a stiffer spring will, or can, help spool up time. Really this is more important on a big turbo, on a stock turbo it will make little to no difference.

With modern ECUs and load based tuning, even if you could manipulate the boost at the turbo, the ECU will close the throttle, cut fuel, pull spark, etc if you are making too much power and exceeding the load limits and / or boost targets. This mod really doesnt do anything as far as making power is concerned. It isnt like the 90s where you could slap on a strong wastegate and a manual boost controller and just run it for all it was worth.
Nice write up Voltwings!
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Old 12-12-2017, 02:34 PM   #37
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This looks promising guys! I got to 19lbs of boost in 3rd gear for the very first time, ever! Thus WS t 4000rpm! I am sure it will get to 20lbs by 6500rpm no problem!

Thanks TurboSmart! J really appreciate it!

Voltwings, what do you think about this? I'm headed in the right direction! By 6500rpm in 3rd gear 20lbs seems likely, don't you think?
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Old 12-12-2017, 02:36 PM   #38
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Voltwings, I've never gotten 19lbs of boost in 3rd gear, with the stock 7psi actuator! Ever!! Seriously!
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Old 12-12-2017, 02:40 PM   #39
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This must be where they say the HP and TQ gains kick in! For the 10psi actuator its 3500rpm, and for the 12psi actuator it's starts at 4000rpm!

I'm really impressed! Getting that extra boost in 3rd gear should get me to 13's!!
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Old 12-12-2017, 02:42 PM   #40
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I'm getting that extra boost at 4000rpm! I have 2500 more rpm to go! If I can nail 20psi by 5000rpm, that would be pretty sweet, don't you think Voltwings?
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Old 12-12-2017, 03:04 PM   #41
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OK guys! I'm going to test and see if I get to 20psi in 3rd gear,vandcat what rpm this happens! Stand by!
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Old 12-12-2017, 03:18 PM   #42
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OK! This time in 3rd gear it went to 19psi at 3500rpm and held it till 4500rpm when I shifted to 4th! 4thvgwar went straight to 19psi, and then I lifted!

So this 12psi wastegate is awesome! I know I'm going have hit a 13 to be believed! LOL! Trust me, if you have a stock Ecoboost, make this your first Modification! Nothing but rave reviews from me TurboSmart! You guys are awesome! My SOTP says this wastegate is kicking ***!
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Old 12-12-2017, 03:46 PM   #43
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The (Powerband) for this 12psu wastegate is immense guys! I've only ridden it out to 4500rpm, cause I'm coming up on traffic! Getting to do a 1/4 mile run is going to be tough around here, cause of the traffic! The wastegate is definitely worth the money! If you read what Voltwings wrote and understand him, then you will also understand where the wastegate's gains come from! With a weaker spring your not able to produce 19lbs in 3rd gear at all! To think I'm going to get 1 more PSU of boost by 6500rpm is ridiculous!

TurboSmart really nailed it in this one guys! The 12psi wastegate actuator us a success!

Now, got to mentally prepare to run 13 seconds somehow! Lot of traffic around here!
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Old 12-12-2017, 04:26 PM   #44
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I'm stoked guys! I'm really satisfied, thus far! I ran a 14.3et! Shaving that 3 tenths shouldn't be a problem now! Now in getting help in 3rd gear!
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Old 12-12-2017, 04:33 PM   #45
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One thing I did notice, is that the ECU takes awhile to recognize the new wastegate spring pressure! Last night it didn't respond like it did today! So once you install it, you have yo jump on it a few times, so the ECU is able to adjust for the increased spring rate! The ECU basically calibrates itself to the new spring!
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Old 12-12-2017, 05:00 PM   #46
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So proud of you TurboSmart! You guys are definitely smart, that's for sure!Click image for larger version

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Old 12-12-2017, 06:40 PM   #47
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Just so it stays relevant! The most boost I've seen with the 7psi factory wastegate, was no more than 14 to 15psi in 3rd gear! And this was above 3500rpm!

So as you can see, this new wastegate from TurboSmart is just down right awesome!
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Old 12-13-2017, 09:17 AM   #48
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OK guys! Today around 12 noon, I'll make the run for 13.xx seconds!

My goal is 13.5ET
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Old 12-13-2017, 01:31 PM   #49
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Hey Voltwings. Do you that I should post my results publicly?

I don't think I should! The wastegate is a success! That's all I should post!

What's your opinion?
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Old 12-13-2017, 03:53 PM   #50
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I just don't want people to base their opinion about this wastegate, on what NY 1/4 mile time is!

The wastegate has proven itself already, what I run in the 1/4mile is not relevant!
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Old 12-13-2017, 03:55 PM   #51
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Originally Posted by msp.ecoboost View Post
Hey Voltwings. Do you that I should post my results publicly?

I don't think I should! The wastegate is a success! That's all I should post!

What's your opinion?
Lol come on man. Your acting like you just built a car that is going to change the face of the scene, and want to keep it under wraps until the whole world is watching.


Post your #'s man

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Old 12-13-2017, 03:58 PM   #52
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Lol come on man. Your acting like you just built a car that is going to change the face of the scene, and want to keep it under wraps until the whole world is watching.


Post your #'s man

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LoL! I'm sorry man! You know I can run 13's now! I don't have to prove it! I'm only 3 tenths a way from 13.xx with the old wastegate!

Hope you understand! TurboSmart deserves a lot of credit for this awesome wastegate! No way I'm going to make them look bad!
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Old 12-13-2017, 04:32 PM   #53
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As far as 1st and 2nd gear are concerned, the 12psi wastegate allows 14psi in each, to redline! This is up from 10psi from the OEM wastegate!

Really an astonishing wastegate produced by TurboSmart!
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Old 12-13-2017, 04:41 PM   #54
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I'm really impressed by the technology behind the Ecoboost ECU and how it controls boost with the wastegate! Ford must move to an Ecoboost GT500, and use the same ECU! Its spot on accurate!

Not sure how most resist the Ecoboost! I think the Coyote is nice, but it needs forced induction for mist to be happy!
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Old 12-13-2017, 05:22 PM   #55
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Originally Posted by msp.ecoboost View Post
I'm really impressed by the technology behind the Ecoboost ECU and how it controls boost with the wastegate! Ford must move to an Ecoboost GT500, and use the same ECU! Its spot on accurate!

Not sure how most resist the Ecoboost! I think the Coyote is nice, but it needs forced induction for mist to be happy!
The 18's are literally running low low 11's with a tune and tire. That's hard to beat.

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Old 12-13-2017, 06:01 PM   #56
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The 18's are literally running low low 11's with a tune and tire. That's hard to beat.

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Are you referring to the 18 GT with 460HP NA? If so that's ridiculous!

I said the Coyote is nice! Low 11's is impressive!
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Old 12-13-2017, 06:51 PM   #57
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Yeah Rapinator126, I checked it out! The 18 GT is stunningly impressive!

0 to 60mph in under 4 seconds!

Nice!
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Old 12-13-2017, 09:16 PM   #58
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I wonder how the 2018 Ecoboost is going to do with that new 10spd Automatic transmission!!??? The TQ is supposed to be at 350TQ!

Will be interesting to see the 1/4 time!
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Old 12-14-2017, 07:06 AM   #59
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The 18's are literally running low low 11's with a tune and tire. That's hard to beat.

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and what was it, damn near 120 mph?
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Old 12-14-2017, 07:34 AM   #60
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and what was it, damn near 120 mph?
Manuel ran 121-122 if I'm not mistaking

Then beefcake ran 10.8 with a 150 at 129 only from 3k to 6500

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Old 12-14-2017, 07:59 AM   #61
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120 mph with tune and tire lol... took a CJ to do that on my '13. Granted i'm probably the world's worst drag racer + street tires and 3.31s. Be that as it may, those 18s move.
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Old 12-14-2017, 09:08 AM   #62
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and what was it, damn near 120 mph?
Yep! That's what an 11ET is 120 to 121mph! That's awesome!

Hopefully they will bump the HP of the Ecoboost in 2019!
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Old 12-14-2017, 01:13 PM   #63
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Get Voltwings, as far as the 3.31's go, that's the GT500 gear ratio! Thats 200mph! I have 3.31's and I'm proud!

The Foxbodies were so light, they used a 3.08 ratio!!
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Old 12-14-2017, 01:36 PM   #64
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Get Voltwings, as far as the 3.31's go, that's the GT500 gear ratio! Thats 200mph! I have 3.31's and I'm proud!

The Foxbodies were so light, they used a 3.08 ratio!!
Weight has nothing to do with rear gear ratio selection by the manufacturers. Tire size and transmission with car weight only a piece of the puzzle as to how well you use the engine power. Foxbody didn't have the rear end gear from the factory due to weight. And a GT500 doesn't use a 3.31 due to any weight difference between the S197 options.
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Old 12-14-2017, 02:13 PM   #65
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Weight has nothing to do with rear gear ratio selection by the manufacturers. Tire size and transmission with car weight only a piece of the puzzle as to how well you use the engine power. Foxbody didn't have the rear end gear from the factory due to weight. And a GT500 doesn't use a 3.31 due to any weight difference between the S197 options.
Sorry JimC, but weight is a factor when choosing gear ratio!

What's faster?

3800lbs Mustang with 3.08's and 300Hp!
Or
3000lbs Mustang with 3.08's and 300Hp
Which car is going to vw faster JimC?
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Old 12-14-2017, 08:13 PM   #66
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Sorry JimC, but weight is a factor when choosing gear ratio!

What's faster?

3800lbs Mustang with 3.08's and 300Hp!
Or
3000lbs Mustang with 3.08's and 300Hp
Which car is going to vw faster JimC?
There are many factors when the manufacturer is choosing gears for cars, transmission gearing, weight, hp, fuel economy.
JimC is correct, it's not just based around curb weight, if it was all dodge cars would come with minimum 4.10s as they are all tanks.
You can't just think one dimensional.
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Old 12-14-2017, 08:15 PM   #67
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There are many factors when the manufacturer is choosing gears for cars, transmission gearing, weight, hp, fuel economy.
JimC is correct, it's not just based around curb weight, if it was all dodge cars would come with minimum 4.10s as they are all tanks.

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Yeah! I hear ya!

High boost in 3rd gear is awesome! Pretty satisfied with this wastegate!
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Old 12-14-2017, 08:35 PM   #68
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Anything affiliated with the GT500, us the best of the best! That means the 3.31 gear is the best!

More people desire it more than any other gear ratio!
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Old 12-14-2017, 08:38 PM   #69
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Anything affiliated with the GT500, us the best of the best! That means the 3.31 gear is the best!

More people desire it more than any other gear ratio!
Lol it doesn't mean it's the best gear for every car.
331 works in a car with 600+hp where 373 or 410 would just be useless with that much power.

355 or 373 work better in a less hp and tq car.
It just depends on the application.
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Old 12-14-2017, 08:43 PM   #70
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Lol it doesn't mean it's the best gear for every car.
331 works in a car with 600+hp where 373 or 410 would just be useless with that much power.

355 or 373 work better in a less hp and tq car.
It just depends on the application.
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In general though, the 3.31 is good for the dragstrip or a road course!

Even the Texas Mile!

That's 3 applications for one ratio! You can't beat that!
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