Forced Induction Discussion of turbos , superchargers , and nitrous upgrades on the G35

Blower or a turbo?

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Old Feb 21, 2016 | 06:05 PM
  #16  
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Originally Posted by yosip1115
It may be overkill to run that built block that you have. My car is crazy fast and I'm on stock internals. It breaks loose in 4th gear so I'm upgrading to 285 tires. I have been TT'd for about six thousand miles and my long block has 36000 miles on it now.

If you skip running the built block and stay under 500 horsepower you won't have to build your transmission; at least not right away. The idea of running an automatic with that kind of power makes me a bit uncomfortable. I wish I was close by to show you how good 450whp feels... It definitely will save you some cash to stay within the realm that stock internals can handle.

To hit 500 with a blower you'll need a SI trim impeller and a 3.12 pulley I believe. That's best, as opposed to a SCI trim with a 2.87 pulley which is prone to belt slip and other problems. From what I've read people just get bored of the way the power comes on with a SC. Regardless you're going to want a RFS. The innovate SCG-1 is a great all in one boost controller/wideband to make it easy on your wallet. Selling the built block for a low mileage VQ is something to consider.
my motor and transmission have 203k miles on it. It consumes about 2 qts of oil in a 5k oil change intervals.
I'm not boosting this motor. I don't want to get a lower millage stock motor because I had this car for 11 years and plan to have for another 11. There is no point getting stock engine just to have to deal with same issues later down the road so that is why I'm defiantly getting a built engine.

Originally Posted by SAMzG35
Do you have aftermarket exhaust? If so be prepared for it to be loud as hell if you decide to go with Vortech, however with a TT or even single T kit it will be a lot more quite, I was shocked when I heard my TDX and ART pipes on the TT setup.
I do have aftermarket exhaust and HIfow cats. That is one of the reasons I am considering blower because I don't want to loose the components I already have.

I do worry about the noise, blowers are quite noisy and that is one of the factors which keeps me on the fence.
I still have time to think this over, I still have to put in built engine and brake it in before I blow it up.
 
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Old Feb 21, 2016 | 06:17 PM
  #17  
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Originally Posted by JOKER
my motor and transmission have 203k miles on it. It consumes about 2 qts of oil in a 5k oil change intervals.
I'm not boosting this motor. I don't want to get a lower millage stock motor because I had this car for 11 years and plan to have for another 11. There is no point getting stock engine just to have to deal with same issues later down the road so that is why I'm defiantly getting a built engine.



I do have aftermarket exhaust and HIfow cats. That is one of the reasons I am considering blower because I don't want to loose the components I already have.

I do worry about the noise, blowers are quite noisy and that is one of the factors which keeps me on the fence.
I still have time to think this over, I still have to put in built engine and brake it in before I blow it up.

Greddy kit keeps whatever cats you have, but test pipes are preferred with any form of forced induction because it burns much more fuel... I see what you're saying with the inevitable oil consumption though... Good point.
 
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Old Feb 21, 2016 | 06:58 PM
  #18  
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Originally Posted by JOKER
I do have aftermarket exhaust and HIfow cats. That is one of the reasons I am considering blower because I don't want to loose the components I already have.

I do worry about the noise, blowers are quite noisy and that is one of the factors which keeps me on the fence.
I still have time to think this over, I still have to put in built engine and brake it in before I blow it up.
With a Greddy kit you will keep the same exhaust components. No need to add a thing or remove anything. HFCs are fine

Also not only your blower will be loud, your exhaust will be alot louder too

Originally Posted by yosip1115
but test pipes are preferred with any form of forced induction because it burns much more fuel...
That's not true, with the Vortech it's preferred to have HFCs or even stock cats. Some back end pressure is needed with such a setup. However with Turbo it's best to have decent exhaust flow, so test pipes or HFCs are recommended.
 
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Old Feb 21, 2016 | 11:57 PM
  #19  
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Is Greddy the only kit that let's you keep your exhaust components?
 
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Old Feb 22, 2016 | 01:11 AM
  #20  
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Originally Posted by JOKER
Is Greddy the only kit that let's you keep your exhaust components?
Most turbo kits will replace it down pipe and connect to your exhaust at the Y pipe. So your exhaust remains the same, down pipe or whatever you have gotta be changed.

Greddy is the only one as far as know that replaces the exhaust manifolds and retains stock down pipes. But i could be wrong.

If you're interested in Supercharging, Vortech is the way to go
If you're interested in single turbo, Boosted performance is amazing, and a breeze to install.
If you're interested in twin turbo, Greddy have an amazing kit, but is a bitch to install.
 
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Old Feb 22, 2016 | 01:26 AM
  #21  
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You do not want to run stock cats with turbos. The extra heat alone will ruin them prematurely. Running turbos an a stock automatic transmission can also be problematic and is not a good idea. Superchargers are safer on the tranny due to their power curve.

I chose turbos over a blower because I knew what I wanted and what was expected. But judging from the criteria the OP stated I still feel a blower would be better.
 
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Old Feb 22, 2016 | 02:44 AM
  #22  
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Originally Posted by SAMzG35
Most turbo kits will replace it down pipe and connect to your exhaust at the Y pipe. So your exhaust remains the same, down pipe or whatever you have gotta be changed.

Greddy is the only one as far as know that replaces the exhaust manifolds and retains stock down pipes. But i could be wrong.

If you're interested in Supercharging, Vortech is the way to go
If you're interested in single turbo, Boosted performance is amazing, and a breeze to install.
If you're interested in twin turbo, Greddy have an amazing kit, but is a bitch to install.
does boosted performance eliminate Y pipe and cats and goes straight into mid pipe?
 
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Old Feb 22, 2016 | 10:04 PM
  #23  
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Boosted Performance is the way to go, design simplicity and accessibility to the turbo. I've done a JWT and a fully custom set up. It's great if you've got the $$$ to throw at it. If I were starting fresh, it would be a twin scroll single from BP. Spend the money saved on a Haltech pro plug in and you'll be good to go. You can still put cats, muffler, etc on a BP kit. If you want more performance and stock quiet sound, get a boost activated cut out. Cheap and readily available these days. Good luck.
 
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Old Feb 25, 2016 | 01:06 PM
  #24  
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Originally Posted by JOKER
does boosted performance eliminate Y pipe and cats and goes straight into mid pipe?
yep, the turbo sits pretty much around where the stock Y pipe is.

Its very simple to install. I wanted BP kit but I couldn't justify buying new lol I always look for deals on used. That's why I ended up with Greddy TT
 
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Old Feb 25, 2016 | 04:36 PM
  #25  
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Originally Posted by SAMzG35
yep, the turbo sits pretty much around where the stock Y pipe is.

Its very simple to install. I wanted BP kit but I couldn't justify buying new lol I always look for deals on used. That's why I ended up with Greddy TT
that's scary to have the turbos that low. Running the risk off scraping the crap out of them.
 
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Old Feb 25, 2016 | 05:55 PM
  #26  
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Originally Posted by JOKER
that's scary to have the turbos that low. Running the risk off scraping the crap out of them.
I was thinking the same, however everything sits higher than the subframe. So there's noway they would touch the ground unless you knock out your entire subframe.
 
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Old Feb 25, 2016 | 06:33 PM
  #27  
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Originally Posted by SAMzG35
I was thinking the same, however everything sits higher than the subframe. So there's noway they would touch the ground unless you knock out your entire subframe.
currently my Y pipe to mid pipe connection is the lowest part of the exhaust and only part that scrapes on the bumps.
 
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Old Feb 25, 2016 | 06:42 PM
  #28  
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Stock internals go with a supercharger.

Built motor go turbo.

Going with a turbo is a promise you'll blow your stock engine idc what anyone says. The torque delivery from a turbo is just too much for a stock vq
 
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Old Feb 26, 2016 | 11:00 AM
  #29  
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Originally Posted by sick_sixspeed
Stock internals go with a supercharger.

Built motor go turbo.

Going with a turbo is a promise you'll blow your stock engine idc what anyone says. The torque delivery from a turbo is just too much for a stock vq

So not true. I know guys been running turbos locally for 5+ years and no problems at all. Tuning is everything. And of course knowing your limit.
 
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Old Feb 26, 2016 | 12:57 PM
  #30  
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Boosted Performance looks very interesting. Even though I'd have to lose my cats and Y pipe (which I was going to replace with MD anyway).
The only thing scares me is location of the turbo being under the car.
 
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