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Tank

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HammaMan

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The pressure needn't necessarily increase, a more efficient turbo can move more air mass at the same boost pressure by heating that air less than the stock turbo. But yes, there's surely a decent amount of safety margin built in to the engines.
^^^This

Turbos aren't just a linear "more boost!" component. Here's a turbo efficiency map for example.

Ford F-150 Goodbye stock turbos, Hello CR Performance Turbo Upgrade! 1731610871422-9l


For those interested in further reading
https://www.enginelabs.com/engine-t...anding-compressor-maps-sizing-a-turbocharger/
 

v8440

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Yep, it's advantageous to operate as much as possible in the "islands" that represent high efficiency. The smaller the island, the more efficient the compressor is when operating there. Put differently, the less heat the compressor is adding to the air being compressed, so the more mass is flowing through the system (since cooler gases are denser at a given pressure). More air mass means you can burn more fuel, so more powah!
 

v8440

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Mostly street..But I do have a few videos on YouTube(Hellcat, Scat Packs, and the F-Type jag) and a handfull of time slips..
3.5sec 0-60 and 11.6sec in the 1/4
I found a calculator that estimates your 0-60 time given 1/8th mile et and speed. I've never seen that before, it gave me some eye-opening results about the old fox body street mustang I had almost 20 years ago.
 

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Suns_PSD

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I already destroy Mustangs, Hellcats, Scat Packs, Raptor R's, TRX's, F-Type jags, etc...this newest upgrade will make it even worse..?
I am Livernois Motorsports tuned..
Tank, correct me if I'm incorrect:

A tuner Livernois PB with the intercooler, tune & an intake makes right at 500 rwhp & 600 rwtq? Is this correct?

And are you expecting about a 60 rwhp & rwtq increase in these numbers with just the turbo/ tune upgrade?

Thanks!
 

Diligenthunter

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Yes..as soon as I help them make sure they fit properly, they are going to mass produce for the public.
If you guys need any additional testing I’d be happy to help. Already have their intercooler, charge pipes and Momentum GT intake.
 

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I already destroy Mustangs, Hellcats, Scat Packs, Raptor R's, TRX's, F-Type jags, etc...this newest upgrade will make it even worse..?
Now, you should be able to see the bumpers of some of those Honda AWD Civics with at least 700HP! :p
 

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Anyone have a dyno graph comparing these to stock turbos? I have no doubts the bigger wheels will move more air; what concerns me are the stock housings. The stock exhaust and compressor housings can only flow so much air, regardless of what size the wheels inside the turbos are. I realize they do machine the housings to accept the larger wheels, but still feel the stock housing would be a limitation.
 

v8440

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Speaking broadly, bigger wheels stuffed into smaller ported housings can often flow a LOT more than the original setup did. Such things are often very well worth the trouble. Prime example: I have a mid frame (T4) turbo with an 88mm compressor wheel. Precision Turbo rates it as supporting 1250 hp, and their ratings are often a bit conservative. They also make a 91 mm version, I forget what it supports but it's no joke. I think this family of turbos started out considerably smaller, just an example of how far these things can be pushed sometimes.
 

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Porpoise Hork

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Dunno..guess I'll find out..?
No, the stock injectors are not large enough to even supply my E50 tune and nitrous...
I have upgraded injectors sitting in a box waiting for the rest of the supplies.
With that kind of setup, not surprised they aren't. You need significantly more fuel delivery on E50-E85 tunes than you do with a high CFM 93 map that would support these. Bet you also had to upgrade the HPFP as well.

That got me wondering. What kind of Nos setup you running? Curious of the HP rating and if it's a dry or wet kit.
 
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Tank

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Tank, correct me if I'm incorrect:

A tuner Livernois PB with the intercooler, tune & an intake makes right at 500 rwhp & 600 rwtq? Is this correct?

And are you expecting about a 60 rwhp & rwtq increase in these numbers with just the turbo/ tune upgrade?

Thanks!
1. Yes, that sounds real close....I have a few more parts and am at 550hp and 625tq on my E50 tune....without nitrous.
I'm at 647hp and 715tq...with nitrous.

2. Yes-ish... it's kind of a guess right now, because I am also upgrading the stock injectors and stock fuel pump at the same time, so I can run straight E85...
.. so the hopeful goal is 630 to 650whp on fuel, and 750 to 800whp on nitrous.
 
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Tank

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With that kind of setup, not surprised they aren't. You need significantly more fuel delivery on E50-E85 tunes than you do with a high CFM 93 map that would support these. Bet you also had to upgrade the HPFP as well.

That got me wondering. What kind of Nos setup you running? Curious of the HP rating and if it's a dry or wet kit.
On stock turbos, stock injectors, stock fuel pump, stock engine, stock trans, on the Livernois E50 tune... I am at 550hp and 625tq....without nitrous.
I'm at 647hp and 715tq...with nitrous.

It's perfectly fine in the summer... but with the recent drop in temps(winter)....on my Livernois E50 tune, when I hit the nitrous, I run out of fuel.
The stock fuel pump can't keep up with the demand due to the lower temps... which is what caused all these new mods..?

I made my own wet kit, because there isn't one that exists for Powerboost Hybrids...?.

I run a 50 shot, but because of the turbo and E50 tune, it actually acts more like a 100 shot(100hp)
I dyno'd 550whp without nitrous, and 647whp with nitrous.

My projected hp is kind of a guess right now, because I am also upgrading to larger port injectors and a larger fuel pump at the same time, so I can run straight E85...
.. so the hopeful goal is 630 to 650whp on fuel, and 750 to 800whp on nitrous.
 

Suns_PSD

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Have you ever considered a meth or even just water injection system?

They seem to provide an awful lot of improved air density for very little money. They are quite a good value.
 

Swiffer 1776

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Have you ever considered a meth or even just water injection system?

They seem to provide an awful lot of improved air density for very little money. They are quite a good value.
I’ve tried meth, but I’m not sure how that pertains to turbos…
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