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Are big turbos worthwhile and hows the reliabilitys

AzNightmare

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#61
Do hybrids put down more tq in 1st and 2nd than oem turbo? Personally, I've never had issues with traction when it's dry with oem turbo, but from the sound of it, looks like hybrids dump even more power down low.

I may consider S280 now. But how's it like when driving from light to light in the city and zipping through traffic? Does it feel quick?
 


Dpro

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#62
Do hybrids put down more tq in 1st and 2nd than oem turbo? Personally, I've never had issues with traction when it's dry with oem turbo, but from the sound of it, looks like hybrids dump even more power down low.

I may consider S280 now. But how's it like when driving from light to light in the city and zipping through traffic? Does it feel quick?
In a word? Yes. Yes the S280 feels quick moving through traffic to say the least. You give it more than a quarter throttle and it goes. Its only docile in the lower under 3k rpm‘s range.
 


AzNightmare

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#63
For the S280, Is the optional 14psi wg necessary? If not, does it come with it's own wg?
Also is there anything else I need? Can I reuse the oem bypass valve?
 


Dpro

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#64
For the S280, Is the optional 14psi wg necessary? If not, does it come with it's own wg?
Also is there anything else I need? Can I reuse the oem bypass valve?
The 14psi wg is necessary IMO. It is also reported by my tuner that the stock WG it comes with will not hold higher psi. You can reuse your oem bypass valve but I think it would be the weak link the setup so to speak. Seriously why cut little corners like that. Ge a Turbosmart EM and call it a day. You can actually get one used from time to time if your trying to save some coin.
 


AzNightmare

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#65
The 14psi wg is necessary IMO. It is also reported by my tuner that the stock WG it comes with will not hold higher psi. You can reuse your oem bypass valve but I think it would be the weak link the setup so to speak. Seriously why cut little corners like that. Ge a Turbosmart EM and call it a day. You can actually get one used from time to time if your trying to save some coin.
Yep, just want to make sure I understand what each thing really does or how it benefits.
I don't want to cut corners, yet at the same time, it's very easy to keep adding one more part just because it's only a bit more. I just wanted to avoid falling into that slippery slope unless they actually make a difference.
 


Woods247

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#66
Do hybrids put down more tq in 1st and 2nd than oem turbo? Personally, I've never had issues with traction when it's dry with oem turbo, but from the sound of it, looks like hybrids dump even more power down low.

I may consider S280 now. But how's it like when driving from light to light in the city and zipping through traffic? Does it feel quick?
They (hybrids) provide more power, yes. I manage it quite well with my foot. A hybrid (like Whoosh or Pumaspeed) is super quick like the stock turbo but pulls to redline. In the city it’s like riding a new 450 supermoto or driving an electric car. Lots of low torque to rip through traffic but it also provides plenty of top end to be really fast on race tracks. It’s the best of both worlds.

I can’t speak for the S280 since I’ve never driven one. I planned to build my next engine with that turbo along with injectors and HPFP but if it doesn’t spool like a hybrid, I don’t want it. Too much traffic here for lag. Glad to see the info here!
 


TyphoonFiST

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#67
Who knows exactly what type of wastegate comes with the S280 anyways stock wise? I'd be interested to see.

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#68
I just went to a PumaSpeed X47r and I love it. I’m right at the 300whp with my e30 tune and 268whp on 92oct. I absolutely love it, it pulls through the rpm range unlike the stock turbo and I haven’t had any issue. I still might go s280 in the future if I go the route of bigger injectors. But as far as right now goes, I couldn’t he happier.
 


Woods247

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#69
Who knows exactly what type of wastegate comes with the S280 anyways stock wise? I'd be interested to see.

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Not sure but I kinda wonder why it’s recommended we change it. Maybe Adam has mentioned it somewhere on FB.
 


Dpro

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#70
They (hybrids) provide more power, yes. I manage it quite well with my foot. A hybrid (like Whoosh or Pumaspeed) is super quick like the stock turbo but pulls to redline. In the city it’s like riding a new 450 supermoto or driving an electric car. Lots of low torque to rip through traffic but it also provides plenty of top end to be really fast on race tracks. It’s the best of both worlds.

I can’t speak for the S280 since I’ve never driven one. I planned to build my next engine with that turbo along with injectors and HPFP but if it doesn’t spool like a hybrid, I don’t want it. Too much traffic here for lag. Glad to see the info here!
The S280 spools fast . It does not have the Donkey kick in the low end yet totally gets up and goes. The main TQ difference you see is in all the dyno charts and I have explained it here before. The Hybrid has a huge TQ bump straight from like 2-2500 up to around 3k peak and then arcs over and relies on HP to carry the car the rest of the way. Whereas a Turbo like the S280 is stock like till around 3k then the TQ band arcs up and pulls closer to a straight line across to the TQ HP crossover pt pretty much gradually falling . What that translates to is a much more linear TQ curve than a Hybrid. Regardless what anyone says about their hybrid or S280, these dynamics are inherent differences in the turbo’s and no matter what one feels about how they think their turbo runs , you cannot escape them.
What it translates too is a much more linear feel out the s280 where the turbo once spooled just pulls and pulls.
A hybrid on the other hand even in your own words delivers a majority of its TQ on the low end and like I said and your statement even alludes to it uses the HP to get it through the top end.
Whether one is better than the other remains solely on what the driver wants. I have experienced both and am not disappointed with the S280 and I use the car as a daily driver and have no problems zipping through traffic and I do live in Los Angeles . A city some people are even afraid to drive in due to the level of traffic we have.:ROFLMAO:
YMMV.
 


Last edited:

Dpro

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#73
I'll write too TT and ask for peace of mind *

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What I heard from Ron @whoosh and Adam requires it for tuning the S280 the stock wastegate does not seem to hold higher boost hence why both Ron and Adam sell the Turbosmart 14psi gate.
Its possible the stock wastegate only handles say 11lbs of boost?
I really doubt TT is going to give you the answer because they sell the turbo stock with their wastegate. Its like of course they are gonna tell you it works. :LOL:

I should add UK tuners and companies tend not to push as much boost as we do on this side of the pond or at least thats the impression I have seen . Especially with the now what seems to be forgotten RT330 debacle.
 


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Woods247

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#74
The S280 spools fast . It does not have the Donkey kick in the low end yet totally gets up and goes. The main TQ difference you see is in all the dyno charts and I have explained it here before. The Hybrid has a huge TQ bump straight from like 2-2500 up to around 3k peak and then arcs over and relies on HP to carry the car the rest of the way. Whereas a Turbo like the S280 is stock like till around 3k then the TQ band arcs up and pulls closer to a straight line across to pretty the TQ HP crossover pt gradually falling . What that translates to is a much more linear TQ curve than a Hybrid. Regardless what anyone says about their hybrid or S280, these dynamics are inherent differences in the turbo’s and no matter what one feels about how they think their turbo runs , you cannot escape them.
What it translates too is a much more linear feel out the s280 where the turbo once spooled just pulls and pulls.
A hybrid on the other hand even in your own words delivers a majority of its TQ on the low end and like I said and your statement even alludes to it uses the HP to get it through the top end.
Whether one is better than the other remains solely on what the driver wants. I have experienced both and am not disappointed with the S280 and I use the car as a daily driver and have no problems zipping through traffic and I do live in Los Angeles . A city some people are even afraid to drive in due to the level of traffic we have.:ROFLMAO:
YMMV.
I’ll keep it on the list. If it comes on at 3K it probably isn’t noticeably different than what I have now. The big question is, does it have a constant whistle when cruising lol?
 


Dpro

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#75
I’ll keep it on the list. If it comes on at 3K it probably isn’t noticeably different than what I have now. The big question is, does it have a constant whistle when cruising lol?
It does not whistle like a hybrid it sounds like a jet engine though underboost. When cruising I am not aware of whistle, lol
 


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#76
I’ll keep it on the list. If it comes on at 3K it probably isn’t noticeably different than what I have now. The big question is, does it have a constant whistle when cruising lol?
crusing UNDER LOAD, theres definitely a whistle. crusing without any boost there isnt a whistle.
 


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Location
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#78
Do hybrids put down more tq in 1st and 2nd than oem turbo? Personally, I've never had issues with traction when it's dry with oem turbo, but from the sound of it, looks like hybrids dump even more power down low.

I may consider S280 now. But how's it like when driving from light to light in the city and zipping through traffic? Does it feel quick?
probably get better MPG or KM/L compared to a hybrid, however id love to hear a hybrid owner chime in on their MPG's. im getting 36 mpg while cruising at 45mpg through the canyons. very satisfied.
 


Woods247

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#79
probably get better MPG or KM/L compared to a hybrid, however id love to hear a hybrid owner chime in on their MPG's. im getting 36 mpg while cruising at 45mpg through the canyons. very satisfied.
I’m nowhere close. On e30 I might get 24mpg. Granted, I have a shit load of aero so don’t listen to me… The canards alone killed fuel economy. @jeff posted his MPGs I believe. His car has the same turbo and tuner as well and would make a much better comparison.
 


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#80
I’m nowhere close. On e30 I might get 24mpg. Granted, I have a shit load of aero so don’t listen to me… The canards alone killed fuel economy. @jeff posted his MPGs I believe. His car has the same turbo and tuner as well and would make a much better comparison.
Hahaha yeah e30 is in a different league; less fuel dense but oh so much cooler cylinder temps. Im glad to have more power than my previous stock turbo e40 setup, and can get the fuel anywwhre.
But e85 is dope
 


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