Fast Intentions Stage 2 TT build by MA-Motorsports.

Spooler · 11-23-2018, 06:49 PM

Quote:

Originally Posted by Hotrodz

I bought a CHAMPION 3650W/4500W GEN 240V RV generator for $280 from Tractor Trailer Supply.

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That is what I have. It works like a champ and starts the 2nd pull just about everytime.

Spooler · 11-24-2018, 01:08 PM

I got my new CSF radiator and 2 more liters of OS Giken diff fluid today from Z1 Motorsports. I didn't pay for Saturday delivery. Now that's what you call service. WOW.

Spooler · 11-24-2018, 01:11 PM

After Bob's little track fiasco, I am having all of my oil lines upgraded to XRP Racing lines via MA. They are already using them for my fuel system they are building.

Spooler · 11-24-2018, 03:39 PM

Phunk's friends (Can't remember his user name) car made 818hp at 18.5lbs of boost on a dynojet with his tubular exhaust headers and GT3076 snails. I am very curious to see how mine does.

Spooler · 11-24-2018, 03:49 PM

Here his build is.

700whp with ease

He also has the 1/4 record at the moment.

CJM (Justin's) drag build

Spooler · 11-24-2018, 04:28 PM

The more I look at Streetz's dyno graphs I think we have a restriction on the exhaust side. I wish someone would measure the restriction in the exhaust manifold compared to the boost psi. This would tell us the ratio of backpressure to boost pressure. When it get's out of whack and is not keep close to a 1:1 ratio bad things will happen. Phunks's tubular exhaust manifold and his turbo size/exhaust housing AR must be on point to have made what it did on only 18.5 psi of boost on a stock engine. There is something to learn here. The more HP you can make on lower boost pressure is a big positive.

Spooler · 11-24-2018, 05:15 PM

Well crap. I looked up the Stage 2 Xona Rotor turbo's and they are only good for 800hp at the crank. At a 15% drivetrain loss that would be 680hp at the wheel. On the mainline dyno this would mean only 564hp at the wheel. Looks like I will be 86hp short at the wheel. We shall see if my calculations are correct. Not sure if I want to react and get 2 bigger turbo's or just stick with what I have.

javi370z · 11-25-2018, 12:51 AM

Quote:

Originally Posted by Spooler

Well crap. I looked up the Stage 2 Xona Rotor turbo's and they are only good for 800hp at the crank. At a 15% drivetrain loss that would be 680hp at the wheel. On the mainline dyno this would mean only 564hp at the wheel. Looks like I will be 86hp short at the wheel. We shall see if my calculations are correct. Not sure if I want to react and get 2 bigger turbo's or just stick with what I have.

I’m on the stock motor still with the stage 2 fast intentions kit. Made 717 on 16psi. Turbos still have more left. You should be alright.

Spooler · 11-24-2018, 05:32 PM

I need to think about this.

jchammond · 11-24-2018, 07:12 PM

Quote:

Originally Posted by Spooler

I need to think about this.

Do It!

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Spooler · 11-24-2018, 07:25 PM

How the heck did Streetz make 818hp on only 18.5lbs of boost and a stock block. Seb had to make it happen via timing. I am scratching my head on this one.

jchammond · 11-24-2018, 07:34 PM

Definitely had some good ethanol fuel in system; notice AFR readings

Spooler · 11-24-2018, 07:56 PM

Quote:

Originally Posted by jchammond

Definitely had some good ethanol fuel in system; notice AFR readings

There is way more to it than that. Most folks are having to run in the 20psi of boost or more to make in the 800hp range.

Spooler · 11-25-2018, 03:27 AM

I already made the decision earlier tonight. I am going to stay the path that Daelen and I decided on in the beginning. I have spent enough. We shall see what I get. If I can make 622-650hp on their mainline dyno, I will be happy. That will be 720-750hp range on a dyno jet.

Spooler · 11-25-2018, 03:51 AM

One thing is for sure. I will not run out of fuel. I will run out of turbo first. I have looked all over the place and have not found a Fast Intentions stage 2 turbo kit on a built motor with 11:1 compression. We will all find out where the limits of these turbo's are.

11-24-2018, 03:39 PM	#4 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	Phunk's friends (Can't remember his user name) car made 818hp at 18.5lbs of boost on a dynojet with his tubular exhaust headers and GT3076 snails. I am very curious to see how mine does. Last edited by Spooler; 11-24-2018 at 08:24 PM.

11-24-2018, 03:49 PM	#5 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	Here his build is. 700whp with ease He also has the 1/4 record at the moment. CJM (Justin's) drag build Last edited by Spooler; 11-24-2018 at 08:26 PM.

11-24-2018, 04:28 PM	#6 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	The more I look at Streetz's dyno graphs I think we have a restriction on the exhaust side. I wish someone would measure the restriction in the exhaust manifold compared to the boost psi. This would tell us the ratio of backpressure to boost pressure. When it get's out of whack and is not keep close to a 1:1 ratio bad things will happen. Phunks's tubular exhaust manifold and his turbo size/exhaust housing AR must be on point to have made what it did on only 18.5 psi of boost on a stock engine. There is something to learn here. The more HP you can make on lower boost pressure is a big positive. Last edited by Spooler; 11-24-2018 at 04:30 PM.

11-24-2018, 05:15 PM	#7 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	Well crap. I looked up the Stage 2 Xona Rotor turbo's and they are only good for 800hp at the crank. At a 15% drivetrain loss that would be 680hp at the wheel. On the mainline dyno this would mean only 564hp at the wheel. Looks like I will be 86hp short at the wheel. We shall see if my calculations are correct. Not sure if I want to react and get 2 bigger turbo's or just stick with what I have. Last edited by Spooler; 11-24-2018 at 05:53 PM.

11-24-2018, 07:34 PM	#12 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 58 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684395	Definitely had some good ethanol fuel in system; notice AFR readings __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

11-24-2018, 01:08 PM	#2 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	I got my new CSF radiator and 2 more liters of OS Giken diff fluid today from Z1 Motorsports. I didn't pay for Saturday delivery. Now that's what you call service. WOW.

11-24-2018, 01:11 PM	#3 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	After Bob's little track fiasco, I am having all of my oil lines upgraded to XRP Racing lines via MA. They are already using them for my fuel system they are building.

11-24-2018, 05:32 PM	#9 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	I need to think about this.

11-24-2018, 07:25 PM	#11 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	How the heck did Streetz make 818hp on only 18.5lbs of boost and a stock block. Seb had to make it happen via timing. I am scratching my head on this one.

11-25-2018, 03:27 AM	#14 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	I already made the decision earlier tonight. I am going to stay the path that Daelen and I decided on in the beginning. I have spent enough. We shall see what I get. If I can make 622-650hp on their mainline dyno, I will be happy. That will be 720-750hp range on a dyno jet.

11-25-2018, 03:51 AM	#15 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,001 Drives: 2013 Nismo 370z Rep Power: 2684393	One thing is for sure. I will not run out of fuel. I will run out of turbo first. I have looked all over the place and have not found a Fast Intentions stage 2 turbo kit on a built motor with 11:1 compression. We will all find out where the limits of these turbo's are.

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