Forged Performance: Project 370Z Race Car Build!!

FuszNissan · 01-25-2010, 10:24 PM

Congrats on the accomplishment!

B1nks · 01-26-2010, 05:12 AM

Amazing time FP ! I still would like more info as to if these are the wheels you will be sticking with and are they the 12" rears you were looking to get or 19x10 19x11 ?

Ryan@Forged · 01-26-2010, 10:07 AM

Quote:

Originally Posted by B1nks

Amazing time FP ! I still would like more info as to if these are the wheels you will be sticking with and are they the 12" rears you were looking to get or 19x10 19x11 ?

The wheels are the usual RE30 fitment that we have been recommending for the 370z. They are 19x10 +30/19x11 +25. (+20 available in machine black and hi metal bronze)

The custom wheels have yet to arrive.

KEVTEX · 01-26-2010, 08:55 AM

Congratulations on building a top performer.
What is the offset on your 18x12 rear wheels?
Are those rear tires 335-30's in the pictures?

Brazilbro · 01-26-2010, 02:20 PM

Great Times!! Did you guys run the GT-R? If so did the Z beat its lap time?

Sharif@Forged · 01-26-2010, 05:34 PM

Quote:

Originally Posted by Brazilbro

Great Times!! Did you guys run the GT-R? If so did the Z beat its lap time?

I ran a 1:17 in the GT-R. Keep in mind the Z is still NA, and makes probably less than 275whp on our dyno. Still a stock engine and no tuning. We were not expecting to beat our GT-R, but we were pleasantly surprised with how close we got.

Brazilbro · 01-26-2010, 10:03 PM

Quote:

Originally Posted by Sharif@Forged

I ran a 1:17 in the GT-R. Keep in mind the Z is still NA, and makes probably less than 275whp on our dyno. Still a stock engine and no tuning. We were not expecting to beat our GT-R, but we were pleasantly surprised with how close we got.

Thats amazing.. coming from AWD I was unsure of how I would like RWD on the track, I didnt think I could be competitive. It Looks like with a few more ponys the Z will be your fastest track car in the stable!! Cant wait to see the results on the bigger tracks coming up and In the time attack season!

HKYStormFront · 01-26-2010, 03:12 PM

i believe it was 1:17 in the GTR, 1:19 in the Z... with a few bolt ons and a tune that # could be closer or even better than the GTR, weight makes a huge difference on track

travisjb · 01-26-2010, 05:50 PM

that's jaw dropping how close the margin is... I'm psyched about your result... stuck behind a firewall, will watch the vid tonight

any comments on handling and what you liked v not? which diff are you running again?

Sharif@Forged · 01-26-2010, 10:08 PM

Quote:

Originally Posted by travisjb

that's jaw dropping how close the margin is... I'm psyched about your result... stuck behind a firewall, will watch the vid tonight

any comments on handling and what you liked v not? which diff are you running again?

The 370z was absolutely fabulous, even though we have just barely scratched the surface. In many ways, it handles very similar to the GT-R, except about 600lbs lighter, and 250whp less. As you can tell in the video, you just have to keep the revs way way up to keep the car moving along.

It took me a couple laps to realize there is no midrange and no turbos....LOL. But running the car repeatedly to 7500rpm was music to my ears. The car feels incredibly light on turn in, and exhibits zero body roll. It's extremely tossable, and easy to point the nose. There is a trace of oversteer on corner exit but nothing out of the ordinary. This is usually how we like our cars setup. The brakes are out of this world. I can honestly tell you these Trophy Series Race brakes from Stop Tech are the best I have ever used. Just breathing on the brakes is enough to snap your neck forward. It will completely overpower the ABS system and cause a slight hint of lock-up if you aren't ready for it. There is no pad knockback at all, with the full floating rotors and superb consistency and confidence under braking.

Roebling is handling track, rather than an HP track, so the times between a GT-R and 370Z well prepped should be fairly close. On something like VIR or Road Atlanta which are much higher speed tracks, I would expect a much greater delta between lap times.

We are running the Carbonetic 1.5 way LSD in the rear. I really love this diff...I would have hated this car had we retained the stock LSD for the test.

With respect to the question about the Porsches, they were definitely running at full tilt. Keep in mind, this was the Red Instructors group, so passing was permitted anywhere with a point. Usually once they saw me filling their mirrors, they moved over to let me pass by. This way, we avoid a drag race to the next corner. All good.

Happy to answer any more questions you all have.

DannyGT · 01-26-2010, 11:35 PM

Quote:

Originally Posted by Sharif@Forged

The 370z was absolutely fabulous, even though we have just barely scratched the surface. In many ways, it handles very similar to the GT-R, except about 600lbs lighter, and 250whp less. As you can tell in the video, you just have to keep the revs way way up to keep the car moving along.

It took me a couple laps to realize there is no midrange and no turbos....LOL. But running the car repeatedly to 7500rpm was music to my ears. The car feels incredibly light on turn in, and exhibits zero body roll. It's extremely tossable, and easy to point the nose. There is a trace of oversteer on corner exit but nothing out of the ordinary. This is usually how we like our cars setup. The brakes are out of this world. I can honestly tell you these Trophy Series Race brakes from Stop Tech are the best I have ever used. Just breathing on the brakes is enough to snap your neck forward. It will completely overpower the ABS system and cause a slight hint of lock-up if you aren't ready for it. There is no pad knockback at all, with the full floating rotors and superb consistency and confidence under braking.

Roebling is handling track, rather than an HP track, so the times between a GT-R and 370Z well prepped should be fairly close. On something like VIR or Road Atlanta which are much higher speed tracks, I would expect a much greater delta between lap times.

We are running the Carbonetic 1.5 way LSD in the rear. I really love this diff...I would have hated this car had we retained the stock LSD for the test.

With respect to the question about the Porsches, they were definitely running at full tilt. Keep in mind, this was the Red Instructors group, so passing was permitted anywhere with a point. Usually once they saw me filling their mirrors, they moved over to let me pass by. This way, we avoid a drag race to the next corner. All good.

Happy to answer any more questions you all have.

Excellent stuff man! I'm going to have to call you about that diff once I start participating in some events this spring! If you dont mind could you give us a little insight into the alignment setup?

Sharif@Forged · 01-27-2010, 10:16 PM

Quote:

Originally Posted by DannyGT

Excellent stuff man! I'm going to have to call you about that diff once I start participating in some events this spring! If you dont mind could you give us a little insight into the alignment setup?

Sure can. We run about 1/8th inch toe-in rear, and 3/16th inch toe-out up front. Camber up front is -3.5 and rear camber is -2.3

tbonesteak · 01-26-2010, 09:42 PM

Epic vid. Just out of curiosity. Were those porsches not racing? i don't get how you can zoom past them as if they're standing still.

NewlyIMPORTed · 01-26-2010, 11:28 PM

What exhaust are you guys running?

travisjb · 01-26-2010, 11:58 PM

Just watched the vid... dominant car! must have been fun!

I need Decker to send me the rear view mirror you guys are using... bar mount, right?

Love the Carbonetic too - would recommend it to anyone

Which pads were you using? did i miss that in your post??

Possible to get some detailed shots of the engine bay?

01-25-2010, 10:24 PM	#1 (permalink)
FuszNissan A True Z Fanatic Join Date: May 2009 Location: St. Louis Posts: 14,275 Drives: Pure Sex Rep Power: 543	Congrats on the accomplishment! __________________ Mods: Too Many to list! LouFuszNissan ZDAYZ 2012

01-26-2010, 02:20 PM	#5 (permalink)
Brazilbro A True Z Fanatic Join Date: Mar 2009 Location: Indianapolis, IN Posts: 1,131 Drives: Juke/240Z Rep Power: 849	Great Times!! Did you guys run the GT-R? If so did the Z beat its lap time? __________________ Juke AWD/240Z SR20 08 Evo 10(Stage 2) SOLD Fastest Sport 6spd 370Z 11.8 @126.5SOLD

01-26-2010, 03:12 PM	#8 (permalink)
HKYStormFront A True Z Fanatic Join Date: Apr 2009 Location: Greer, SC Posts: 14,954 Drives: 06 Frontier SE 6spd Rep Power: 53	i believe it was 1:17 in the GTR, 1:19 in the Z... with a few bolt ons and a tune that # could be closer or even better than the GTR, weight makes a huge difference on track __________________ Patrick // 06 Frontier 6spd Nismosis // Mods: Uprev Tuned @ Z1 Motorsports: 257whp & 292 ft lbs 09 Pontiac G8 GXP // M6 // Sunroof // Tint... For now

01-26-2010, 05:50 PM	#9 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 189	that's jaw dropping how close the margin is... I'm psyched about your result... stuck behind a firewall, will watch the vid tonight any comments on handling and what you liked v not? which diff are you running again? __________________ 2009 370Z #104 For Sale

01-26-2010, 11:28 PM	#14 (permalink)
NewlyIMPORTed A True Z Fanatic Join Date: May 2009 Location: Kennesaw, GA Posts: 1,109 Drives: 11 STI Sedan Rep Power: 19	What exhaust are you guys running? __________________ 2011 WRX STICobb Accessport, Nameless Performance exhaust, COBB SF Intake, COBB downpipe, 20% tint, Work Emotion XD9's

01-26-2010, 05:12 AM	#2 (permalink)
B1nks Track Member Join Date: Apr 2009 Location: Houston,Tx Posts: 721 Drives: 2009 370Z Base 6MT Rep Power: 508	Amazing time FP ! I still would like more info as to if these are the wheels you will be sticking with and are they the 12" rears you were looking to get or 19x10 19x11 ?

01-26-2010, 08:55 AM	#4 (permalink)
KEVTEX Base Member Join Date: Nov 2009 Location: Montgomery, TX Posts: 119 Drives: 2010 370Z 7at sp pg Rep Power: 16	Congratulations on building a top performer. What is the offset on your 18x12 rear wheels? Are those rear tires 335-30's in the pictures?

01-26-2010, 09:42 PM	#13 (permalink)
tbonesteak Track Member Join Date: Mar 2009 Location: Socal Posts: 914 Drives: MY09 MB 6MT Rep Power: 376	Epic vid. Just out of curiosity. Were those porsches not racing? i don't get how you can zoom past them as if they're standing still.

01-26-2010, 11:58 PM	#15 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 189	Just watched the vid... dominant car! must have been fun! I need Decker to send me the rear view mirror you guys are using... bar mount, right? Love the Carbonetic too - would recommend it to anyone Which pads were you using? did i miss that in your post?? Possible to get some detailed shots of the engine bay? __________________ 2009 370Z #104 For Sale

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