GTM Performance Engineering 370Z SUPERCHARGER KIT PRESS RELEASE

NYBladeZ · 08-31-2010, 11:24 AM

I'm assuming that the S/C will easily work with your HD cooler. Hopefully we'll see how it matches with your exhaust components, good luck!

RCZ · 08-31-2010, 12:19 PM

Cool, I like the built in elbow on the SC.

DannyGT · 08-31-2010, 01:10 PM

Quote:

Originally Posted by NYBladeZ

I'm assuming that the S/C will easily work with your HD cooler. Hopefully we'll see how it matches with your exhaust components, good luck!

Have no idea...I'm still debating if I should put the stock cats back on.

I decided last minute that I wanted to really learn the ins and outs of this project and I'll be doing the install myself with my best friend. Probably will take us 2 weeks with work and all but should be a great experience.

I'll be sending out the ECU stuff to Sam tonight.

EDIT: I should say, I am confident its going to work fine with the HD cooler, but I'm also going to go a bit custom in the placement of where it goes. I'm even entertaining the thought of the Zele front bumper for the purpose of more air flow/different placement possibilities.

kevin1985912 · 08-31-2010, 03:39 PM

Quote:

Originally Posted by DannyGT

Have no idea...I'm still debating if I should put the stock cats back on.

I decided last minute that I wanted to really learn the ins and outs of this project and I'll be doing the install myself with my best friend. Probably will take us 2 weeks with work and all but should be a great experience.

I'll be sending out the ECU stuff to Sam tonight.

EDIT: I should say, I am confident its going to work fine with the HD cooler, but I'm also going to go a bit custom in the placement of where it goes. I'm even entertaining the thought of the Zele front bumper for the purpose of more air flow/different placement possibilities.

The reason you want to switch back to the stock cat is it because too much air flow and not be able to hold boost? Because I am interested in the SC kit, but I'm running test pipes too, I don't know if my exhaust set up right now is the best for the SC kit. You think switch to HFC will work?

Seb@SZ · 08-31-2010, 04:26 PM

Quote:

Originally Posted by kevin1985912

The reason you want to switch back to the stock cat is it because too much air flow and not be able to hold boost? Because I am interested in the SC kit, but I'm running test pipes too, I don't know if my exhaust set up right now is the best for the SC kit. You think switch to HFC will work?

Still a bit premature to say for sure.

NYBladeZ · 08-31-2010, 04:33 PM

I hope in the end the issue with the GTM SC and after market exhausts a la long tube headers, test pipes, or HFC is because of the tune and not the inability of the SC unit to compensate for the increase in flow. I know Dreamer is working on it and I've probably mentioned this issue a million times.

It's just that to my knowledge an aftermarket exhaust should help an S/C kit granted the tubing is less than 3" in diameter. I know the reason why we haven't heard anything out of GTM is because they are still working on it, I hope they update us soon. I'm more about the "go" rather than the "show" so I'd rather get the S/C kit then wheels but I'm tempted everyday.

de_dust · 08-31-2010, 04:42 PM

Quote:

Originally Posted by DannyGT

EDIT: I should say, I am confident its going to work fine with the HD cooler, but I'm also going to go a bit custom in the placement of where it goes. I'm even entertaining the thought of the Zele front bumper for the purpose of more air flow/different placement possibilities.

how about doing what robispec did or treating it like the ARC sub radiator... where the cooler is located with in the driver side front fender... it seems nothing is really going on that side of the car with the GTM kit...

kevin1985912 · 08-31-2010, 05:13 PM

hope GTM will post good results for the SC kit with test pipes or LTH soon.

RCZ · 09-02-2010, 11:06 AM

^ Its not gonna happen on their "Stage 1" kit. Maybe with the stage 3 they won't lose the lbs...if thats what you're referring to. It's been shown a few times already that the small compressor housing cannot flow enough to sate a free flowing exhaust. I guess in other words it's not well suited for a car with LTH's or the like, but rather a car that is supposed to pass CARB. If I had to pick up a GTM SC and not care about CARB, I would not be at all interested in stage 1. Maybe stage 2. Definitely stage 3. Obviously stage 3 would flow more...but then you'd lose the insta-spool and low end torque qualities that people like about this kit. A while back I looked at the flow charts of the rotrex units used in the different GTM kits....the Stage 3 unit flows similar to the vortech unit in the Stillen kit. I'm not sure why anyone planning to run headers and exhaust is considering the GTM stage 1. That's my take on things. Not starting a fire here, but I would like know what other folks think about that.

kevin1985912 · 09-02-2010, 02:07 PM

Quote:

Originally Posted by RCZ

^ Its not gonna happen on their "Stage 1" kit. Maybe with the stage 3 they won't lose the lbs...if thats what you're referring to. It's been shown a few times already that the small compressor housing cannot flow enough to sate a free flowing exhaust. I guess in other words it's not well suited for a car with LTH's or the like, but rather a car that is supposed to pass CARB. If I had to pick up a GTM SC and not care about CARB, I would not be at all interested in stage 1. Maybe stage 2. Definitely stage 3. Obviously stage 3 would flow more...but then you'd lose the insta-spool and low end torque qualities that people like about this kit. A while back I looked at the flow charts of the rotrex units used in the different GTM kits....the Stage 3 unit flows similar to the vortech unit in the Stillen kit. I'm not sure why anyone planning to run headers and exhaust is considering the GTM stage 1. That's my take on things. Not starting a fire here, but I would like know what other folks think about that.

well, the GTM SC stage 1 kit with aftermarket exhaust post pretty good number, 460whp, and 360wtq. It's just that with the LTH there is that problem, I think with the test pipes it will be the same problem. I don't think there is gonna be a problem with the HFC though. What do you guys think. Also, I am in Cali, and I don't think I'm getting the CARB kit, because the GTM kit unlike the Stillen kit does not draw that much attation, I doubt anyone will recognize it.

theDreamer · 09-02-2010, 02:14 PM

I did the LTHs because I already had them and was curious.
No loss for me if they do not work in the end, and I can always upgrade to a larger setup with the GTM kit and try them out down the road.

kevin1985912 · 09-02-2010, 02:17 PM

Quote:

Originally Posted by theDreamer

I did the LTHs because I already had them and was curious.
No loss for me if they do not work in the end, and I can always upgrade to a larger setup with the GTM kit and try them out down the road.

man, I hope you find a way to make it work, I'm about pulling the trigger, but i don't want to give up my test pipes.

Z eliminator · 09-02-2010, 03:20 PM

I will be getting my GTM SC some time in the future. It will not be a stage one. There are some things that Sam is working on so that it will fit in the car. I will be running the stillen headers and the Berk cats with the stillen CBE. I also will be dynoing with the stock cats to see whick ones make more usuable RWHP.
Will keep you guys posted when i get the kit.

Z

CGMobile370Z · 09-02-2010, 04:40 PM

Quote:

Originally Posted by RCZ

^ Its not gonna happen on their "Stage 1" kit. Maybe with the stage 3 they won't lose the lbs...if thats what you're referring to. It's been shown a few times already that the small compressor housing cannot flow enough to sate a free flowing exhaust. I guess in other words it's not well suited for a car with LTH's or the like, but rather a car that is supposed to pass CARB. If I had to pick up a GTM SC and not care about CARB, I would not be at all interested in stage 1. Maybe stage 2. Definitely stage 3. Obviously stage 3 would flow more...but then you'd lose the insta-spool and low end torque qualities that people like about this kit. A while back I looked at the flow charts of the rotrex units used in the different GTM kits....the Stage 3 unit flows similar to the vortech unit in the Stillen kit. I'm not sure why anyone planning to run headers and exhaust is considering the GTM stage 1. That's my take on things. Not starting a fire here, but I would like know what other folks think about that.

This sounds like a pretty accurate observation IMO.

NYBladeZ · 09-02-2010, 04:51 PM

RCZ is on point, I guess a lot of us SC guys wanting to go with GTM are going to have to wait it out.

08-31-2010, 11:24 AM	#661 (permalink)
NYBladeZ A True Z Fanatic Join Date: Apr 2009 Location: New York Posts: 2,158 Drives: Lotus Exige S Rep Power: 21	I'm assuming that the S/C will easily work with your HD cooler. Hopefully we'll see how it matches with your exhaust components, good luck! __________________ 2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

08-31-2010, 04:33 PM	#666 (permalink)
NYBladeZ A True Z Fanatic Join Date: Apr 2009 Location: New York Posts: 2,158 Drives: Lotus Exige S Rep Power: 21	I hope in the end the issue with the GTM SC and after market exhausts a la long tube headers, test pipes, or HFC is because of the tune and not the inability of the SC unit to compensate for the increase in flow. I know Dreamer is working on it and I've probably mentioned this issue a million times. It's just that to my knowledge an aftermarket exhaust should help an S/C kit granted the tubing is less than 3" in diameter. I know the reason why we haven't heard anything out of GTM is because they are still working on it, I hope they update us soon. I'm more about the "go" rather than the "show" so I'd rather get the S/C kit then wheels but I'm tempted everyday. __________________ 2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

08-31-2010, 05:13 PM	#668 (permalink)
kevin1985912 Enthusiast Member Join Date: Jul 2009 Location: san diego Age: 39 Posts: 285 Drives: 370zMT touring sport Rep Power: 17	hope GTM will post good results for the SC kit with test pipes or LTH soon. __________________ FI non resonated test pipes, CBE. Stillen G3 intakes, Amuse Kit, KW V3 coilovers, SSR Type F, Blackout headlights. 3M clear bra, UpRev tune, 320whp, 260 wtq http://www.the370z.com/members-370z-...ect-raven.html

09-02-2010, 02:14 PM	#671 (permalink)
theDreamer A True Z Fanatic Join Date: Feb 2009 Location: Texas Posts: 30,879 Drives: 370z Rep Power: 4211	I did the LTHs because I already had them and was curious. No loss for me if they do not work in the end, and I can always upgrade to a larger setup with the GTM kit and try them out down the road. __________________ theDreamer's Z // Fast Intentions // Uprev // GTM // HKS // TEIN theDreamer's Silvia // URAS // GREDDY Houston Zs // Facebook // Twitter // Instagram

09-02-2010, 03:20 PM	#673 (permalink)
Z eliminator A True Z Fanatic Join Date: Jul 2009 Location: Ontario Canada Posts: 1,660 Drives: 370 Z 7AT Sports Rep Power: 20	I will be getting my GTM SC some time in the future. It will not be a stage one. There are some things that Sam is working on so that it will fit in the car. I will be running the stillen headers and the Berk cats with the stillen CBE. I also will be dynoing with the stock cats to see whick ones make more usuable RWHP. Will keep you guys posted when i get the kit. Z __________________ 12.343 @114.14 . 4.5 stroker motor is now being built. Dec 1 2015.

08-31-2010, 12:19 PM	#662 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1119	Cool, I like the built in elbow on the SC.

09-02-2010, 11:06 AM	#669 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1119	^ Its not gonna happen on their "Stage 1" kit. Maybe with the stage 3 they won't lose the lbs...if thats what you're referring to. It's been shown a few times already that the small compressor housing cannot flow enough to sate a free flowing exhaust. I guess in other words it's not well suited for a car with LTH's or the like, but rather a car that is supposed to pass CARB. If I had to pick up a GTM SC and not care about CARB, I would not be at all interested in stage 1. Maybe stage 2. Definitely stage 3. Obviously stage 3 would flow more...but then you'd lose the insta-spool and low end torque qualities that people like about this kit. A while back I looked at the flow charts of the rotrex units used in the different GTM kits....the Stage 3 unit flows similar to the vortech unit in the Stillen kit. I'm not sure why anyone planning to run headers and exhaust is considering the GTM stage 1. That's my take on things. Not starting a fire here, but I would like know what other folks think about that.

09-02-2010, 04:51 PM	#675 (permalink)
NYBladeZ A True Z Fanatic Join Date: Apr 2009 Location: New York Posts: 2,158 Drives: Lotus Exige S Rep Power: 21	RCZ is on point, I guess a lot of us SC guys wanting to go with GTM are going to have to wait it out. __________________ 2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

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