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Entries for June 2009


Stock Nissan 370Z dual mass flywheel on right, Jim Wolf Technology lightweight Nissan 370z flywheel on left

Testing Jim Wolf Technologies Ultra Light Flywheel and Heavy Duty Clutch- Will it Work With SynchroRev? (New Video!) By Mike Kojima

From a performance standpoint, the Nissan 370Z probably is one of the best candidates for performance improvement from a lightweight flywheel because of it's extremely heavy stock clutch and flywheel. The stock flywheel weights a stout 32 lbs, the pressure plate 16 lbs and the clutch disc 3 lbs. That’s 51 lbs of rotating weight that must be spun to speed at the end of the crankshaft! Why is the stock 370Z’s flywheel so weighty? In an effort to reduce NVH (That’s engineers speak for Noise Vibration and Harshness) to extremely low levels, Nissan made the stock flywheel very heavy. The heaviness of the flywheel helps to smooth out power impulses of the VQ37VHR engine.


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Stillen Gen 3 Nissan 370Z air intake

Stillen's Gen 3 Nissan 370Z Air Intake, Tested!

By Mike Kojima

Our test 370Z is a six-speed manual transmission sports package model equipped with a Stillen cat back exhaust, Stillen high flow cats and a Technosquare ECU reflash. For this test we used the Superflow AutoDyn 30 chassis dyno at Technosquare Inc.  As we have explained in previous tests, the AutoDyn 30 is a dyno that uses both inertial and static loading with weighted wheel rollers and an eddy current power absorber.  This is a very different method of measuring power from the common Dynojet dyno which is purely an inertial dyno.

From our sister site www.motoiq,com


Nissan 370Z, Photoshop 370Z, JGTC Nissan 370Z

Build Your Own 370Z Part 3!

By Charlie Barnes

After sketching up the body kit, I traced it up with the PENTOOL in Adobe Illustrator.  As you can see, the body kit has raised wheel wells compared to the stock ones.  This was necessary to give it a more JGTC look suggested my Nissan Genius Mike Kojima.  I also added a splitter and wide flared fenders for that awesome wide wheel look.  Louvers for the front fender flairs added a nice touch as well.   Now that we have the design, I saved it and opened it up in Adobe Photoshop.

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motoIQ logo

We Launch MotoIQ, The high signal to noise ratio on-line  tuner magazine!

I am excited to announce that our sister site is live!  motoIQ is the merge of magazine quality journalism with the nimbleness of the internet. Check out our in depth tech, interesting features and stories from the tuner world like you used to read in Sport Compact Car and Turbo, the stuff that you miss reading and can't find. Best of all its free with no subscription cost. If you are interested in the 370Z you will love motoIQ!  Sign up today

Hope to see you there!

-Mike Kojima Editor

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Posted in: Welcome, Magazine

Nissan 370Z killer bee on dyno

Nissan 370Z 6-Speed Manual Transmission Parts Dyno Test, We Test Stillen's Exhaust System and High Flow Cats With Technosquare's ECU Reflash

by Mike Kojima

For our test mule, we used the Killer Bee, the yellow 370Z that was our May feature car. The Killer Bee is a sports package 6-speed manual transmission 370 that was returned to stock for our evaluation. We will be evaluating more parts on the Killer Bee in the near future so stay tuned! In stock trim the Killer Bee slung out 262 whp at 7000 rpm and 210 lb/ft of torque at 4600 rpm. The VQ37VHR engine exhibited the typical wide flat torque curve and nice linear power curve that the VQ37VHR is becoming renowned for.

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Nissan 370Z forums

New! Upgrades Forums Staff Report

In response to our uses requests, has upgraded our forums to help build our community of hard core 370Z lovers.  To set us apart from the other 370Z forums we will strive to keep our 370Z forum a high signal to noise ratio, friendly place for the 370Z enthusiast.   Our highly qualified and experienced staff will work to give the true no BS answers to a lot of the questions 370Z enthusiasts may raise about a myriad of subjects. Unlike the other forums, we have inside technical connections with Nissan, Nissan Motorsports, Nismo and the Nissan Performance aftermarket.

Our upgraded forum now features the same interactive functions as popular forum formats with a much more intuitive, easy to use format. Please feel free join our community and enjoy!

 -The staff

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Posted in: Magazine, 370z

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