Supercharged/Turbocharged The increase in air/fuel pressure above atmospheric pressure in the intake system caused by the action of a supercharger or turbocharger attached to an engine.

Project Makin My Max Trubo

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Old Jul 9, 2004 | 11:53 PM
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Project Makin My Max Trubo

hey peeps got couple of questions before I start on my project, First off Im tryint to run about 15-17 psi but im tryin to leave the same compration ratio maybe go down to 9.5:1 but over all im tryin to stay at 10:1 ratio , I know that seince our cars have a aluminum blocks I would have to sleave it, I also know that I would need new injectors, pistons and rods, but the question is where do can i get upgraded pistons and rods and also has this been already done? Any suggestions comments are welcome
Old Jul 11, 2004 | 12:00 AM
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Let me ask you a question, how you plan on running 15-17psi on a 10:1 CR ratio car? The alloy block aint the problem.

And if you are going to keep the compression the same, why change the pistons, rods?

I ran 15psi on my stock block with stock internals, but it takes alot to run it, we talking major timing retarding.

We arnt a honda where you just say "im gonna run 15-20psi boost".

Dixit
Old Jul 11, 2004 | 12:03 PM
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Originally Posted by BigDogJonx
Let me ask you a question, how you plan on running 15-17psi on a 10:1 CR ratio car? The alloy block aint the problem.

And if you are going to keep the compression the same, why change the pistons, rods?

I ran 15psi on my stock block with stock internals, but it takes alot to run it, we talking major timing retarding.

We arnt a honda where you just say "im gonna run 15-20psi boost".

Dixit
I know we arent a honda, From what ive heard the need to change pistons and rods is to make sure that ur engine wont blow up on you, well about the timing retarding how can i cheive that, right now im having second thoughts about 15 psi. and how well did ur car ran at 15 psi. thx
Old Jul 11, 2004 | 01:00 PM
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Originally Posted by urmab
I know we arent a honda,
from what you are showing you probably couldnt turbo a honda as it is...

From what ive heard the need to change pistons and rods is to make sure that ur engine wont blow up on you,
dont go by things you hear, especially when the parts cost several thousand dollars - do some reasearch. do you even know why internals would benefit you? if you are looking to strenghen your block there are plenty of places that can make you internals if you got the money. dont expect anyone to sit here and wrtie you step by step tutorial on every detail you need to turbo your car. if i were you id just buy a kit because at this rate you will blow your motor internals or not.

well about the timing retarding how can i cheive that,
i reccomend you do some research. timing is not going to be your only issue at 15psi... you will need many other things im sure you havent even thought of. at least search around and read what kind of setups people have if you are just going to sit here and make a list of parts without knowing what anything does or how it works.

right now im having second thoughts about 15 psi.
glad to see the intelligence is kicking in.

and how well did ur car ran at 15 psi. thx
tuning will determine that. you probably shouldnt try and tune it yourself so plan on spending several hundred on a professional tuning it if you ever even have the chance to be running 15psi, 10 psi or whatever. the tuning will be the main thing that determines how well your turbo setup runs and how prone you will be to a blow up. definetely one of the most important aspects of any turbo setup...
Old Jul 11, 2004 | 03:46 PM
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Originally Posted by densetsu

tuning will determine that. you probably shouldnt try and tune it yourself so plan on spending several hundred on a professional tuning it if you ever even have the chance to be running 15psi, 10 psi or whatever. the tuning will be the main thing that determines how well your turbo setup runs and how prone you will be to a blow up. definetely one of the most important aspects of any turbo setup...

Thx for suggestions, im goin to go do some research on that issue that u listed

Originally Posted by densetsu

im not looking for a step by step tutorial
Old Jul 11, 2004 | 06:32 PM
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Originally Posted by urmab
I know we arent a honda, From what ive heard the need to change pistons and rods is to make sure that ur engine wont blow up on you, well about the timing retarding how can i cheive that, right now im having second thoughts about 15 psi. and how well did ur car ran at 15 psi. thx
Like I said, I ran my setup fine on stock block and internals, its all about timing and fuel delivery. Which has to be done safely (where some people got no clue how to do that).

How you retard timing? eManage or J&S UltraSafeGaurd. I did it with the J&S. Nice $700 unit that does the job.

15psi is about the max, after that you are definetely going to be replacing the motor quicker than you think since its definetely not going to last.

How did mine do? I had to throw lots more fuel than necessary to make sure I wouldnt blow the head gasket. I ran about a 10.5-11:1 a/f ratio. I did about 425whp im sure I couldve got 450whp but Im about 100% sure I wouldve blown the headgasket due to cylinder pressure getting in dangerous azz territories.

Dixit
Old Jul 12, 2004 | 08:48 AM
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Originally Posted by BigDogJonx
Like I said, I ran my setup fine on stock block and internals, its all about timing and fuel delivery. Which has to be done safely (where some people got no clue how to do that).

How you retard timing? eManage or J&S UltraSafeGaurd. I did it with the J&S. Nice $700 unit that does the job.

15psi is about the max, after that you are definetely going to be replacing the motor quicker than you think since its definetely not going to last.

How did mine do? I had to throw lots more fuel than necessary to make sure I wouldnt blow the head gasket. I ran about a 10.5-11:1 a/f ratio. I did about 425whp im sure I couldve got 450whp but Im about 100% sure I wouldve blown the headgasket due to cylinder pressure getting in dangerous azz territories.

Dixit
Yea well right now im thinking maybe just run 10 psi and call it a day I would still have work with timing and fuel delivery, will AFC do the job for fuel management?
Old Jul 12, 2004 | 04:11 PM
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AFC will but at 10psi you pushing the injector limit, would need upgraded injectors.

Dixit
Old Jul 12, 2004 | 06:59 PM
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10psi on stock 01 Maxima injectors ? All I am looking for is about 10psi anyways. Where do I get a Ypipe, I been in this game with SR20s many time, never turboed a VQ.
Old Jul 12, 2004 | 09:02 PM
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You dont "get" a Ypipe for the turbo, you create one. No one sells it outright because its the bread and butter of the turbo kit.

01 Injectors wont push it, My emanage would tell me I was 100% at 8psi at times.

Dixit
Old Jul 12, 2004 | 09:09 PM
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is Emanage the same thing as sending the ECU out to JWT ?? what are the advantages of going Emanage then just getting the JWT ??
my setup will be...V1 Blower, 3.125, 370cc injectors, Cold Air...I plan to be at about 10psi...

-matt
Old Jul 12, 2004 | 09:53 PM
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Thats what I'm looking for is a Turbo Y pipe... It sucks that no one is willing to make one.... I might as well start making them myself. Do you guys upgrade to 350Z injectors ? what kinda injector do you run in order to run 10psi safely ? I'm pretty familiar with S-AFC and Emanage- look at the sig line
Old Jul 12, 2004 | 10:53 PM
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Originally Posted by BlackBIRDVQ
Thats what I'm looking for is a Turbo Y pipe... It sucks that no one is willing to make one.... I might as well start making them myself. Do you guys upgrade to 350Z injectors ? what kinda injector do you run in order to run 10psi safely ? I'm pretty familiar with S-AFC and Emanage- look at the sig line
not that many 5th gens running upgraded injectors. I believe the PE 380cc injectors from the 350z are used, unsure if the wiring harness will need to be spliced (or something else done) work. I'll let the pros handle it
Old Jul 22, 2004 | 07:23 AM
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Originally Posted by BlackBIRDVQ
Thats what I'm looking for is a Turbo Y pipe... It sucks that no one is willing to make one.... I might as well start making them myself. Do you guys upgrade to 350Z injectors ? what kinda injector do you run in order to run 10psi safely ? I'm pretty familiar with S-AFC and Emanage- look at the sig line

Well if u make ur own Turbo Y pipe you let me know because i would need one
Old Jul 22, 2004 | 08:11 AM
  #15  
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any one here knows about turbos, what should i get gerret T3/T4 or T3/60. Ive done some research and found out that on a T3/60 u can run lower psi and u can get the same power then if u have T3/T4. Is that real?
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