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4.2L Twin Turbo 370Z (AUSTRALIA)

Thanks for all the awesome feedback guys Originally Posted by DEpointfive0 Love it, god bless your auto Please upgrade your diff! Although maybe in AUS you get the VSLD standard

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Old 01-03-2013, 03:43 AM   #1 (permalink)
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Thanks for all the awesome feedback guys
Quote:
Originally Posted by DEpointfive0 View Post
Love it, god bless your auto

Please upgrade your diff!
Although maybe in AUS you get the VSLD standard
And wheels please? You gotta put that power down and those don't have enough rubber




Post pics of it hood open! :-)
Yes the poor auto
Diff will also be done as well in the near future
Unsure of what we have stock, maybe something to check out
Wheels - All i will say is by Forged Wheels - 19/9.5+16 and 19/11+12, i will chuck up a sneaky pic soon. As for tyres i will be running 19/30/265 and 19/30or35/295or305

Will also post a pic of the engine bay.

Quote:
Originally Posted by DEpointfive0 View Post
No overheating issues with the stock bumper?
Nope no issues thus far - the car has been driven around in 30+ degree days, was a thought to of removing the sensors that are on either side of the fangs for a bit more air flow.

Quote:
Originally Posted by Z-Girl 12 View Post
Awesome build, but an auto tranny on such a beast?
AT is the same as from when i bought it back at the start of 2011, we have been tossing around the idea of going DCT or Sequential.

Quote:
Originally Posted by G37Sam View Post
Great build! Why did you only go with the below though?

- Denso 600cc Injectors
- Walbro 255 Fuel Pump

I'm pretty sure you're maxed out now
Thats just what came with the complete kit, pump and injectors will go bigger once the new F-Con and full tune happens.

Quote:
Originally Posted by Coon-azz View Post
Freaking Epic!
could you get us some sound and video? Would love to see this beast roll.
Defineatly, will post up once the car is running again.

Quote:
Originally Posted by Jordo! View Post
Wow -- awesome build!

Is the current GTM flexplate broken and you need another one or did the OEM one fail and is now upgraded?
The OEM one cracked within the first week of getting the car back, from there we ordered the GTM Flex plate which also didn't stand up. Currently waiting for a new one to be sent, from there we are looking at custom making a billet one or strengthening the GTM one by riveting a plate onto it.

Quote:
Originally Posted by Bullitt@UAMotorsports View Post
Awesome build!!!


... However, your not getting the full potential out of your 4.2L. GT30's would be more suited for your displacement. Also running a DW300 fuel pump and a fuel return system along with 1000cc injectors would be better suited for the use of a 4.2L application.

just my 2cents...

All in all GREAT BUILD! Enjoy a fun car!
Cheers for the input all taken into conern, as previously said to the other replies, this is all just a start as it is the first in Aus to be Stroked and TT, i agree with the fuel setup needing adjustments. We want to see how the turbo's go when we up to the boost to at least 14psi. But first things first and thats finding out how to overcome the gearbox/tranny issues.
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Old 01-04-2013, 12:16 PM   #2 (permalink)
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Quote:
Originally Posted by Beastz View Post
The OEM one cracked within the first week of getting the car back, from there we ordered the GTM Flex plate which also didn't stand up. Currently waiting for a new one to be sent, from there we are looking at custom making a billet one or strengthening the GTM one by riveting a plate onto it.
First off, congrats on getting your build done!

Those turbos are sound asleep though, especially with your low compression engine.

We've installed a large number of systems making well over 450whp on the stock transmission and stock flex plate and never had any issues. Something isn't right for you to have two flex plate failures at this power level especially just after the engine was installed.

The only reason for the flex plate to be failing like that is due to a misalignment between the transmission and the engine. In fact, a misalignment is a very common cause for flex plate failure.

You know, since your engine was removed for this build, I'm wondering if they reinstalled the dowel pins for aligning the transmission to the engine. Also, it is very likely that when the transmission was being installed, the dowel pins may have been pushed into their bores. Sometimes, people will not have the transmission lined up on the dowel pins and simply force the transmission onto the engine and end up pushing those alignment pins in. That is the only reason you would have flex plate failure so quickly like that and in such quick succession. A slight misalignment will overstress the flex plate and cause it to fail extremely quickly.

Keep in mind that our flex plate is treated to have better fatigue strength than the stock flex plate. Even still, it is vulnerable to improper installation. Not even a billet unit will stand up to improper alignment.
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Old 01-04-2013, 09:33 PM   #3 (permalink)
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Thanks Mike

Do you think that the extra torque from the stroke could be the problem?

Quote:
Originally Posted by Mike@GTM View Post
First off, congrats on getting your build done!

Those turbos are sound asleep though, especially with your low compression engine.

We've installed a large number of systems making well over 450whp on the stock transmission and stock flex plate and never had any issues. Something isn't right for you to have two flex plate failures at this power level especially just after the engine was installed.

The only reason for the flex plate to be failing like that is due to a misalignment between the transmission and the engine. In fact, a misalignment is a very common cause for flex plate failure.

You know, since your engine was removed for this build, I'm wondering if they reinstalled the dowel pins for aligning the transmission to the engine. Also, it is very likely that when the transmission was being installed, the dowel pins may have been pushed into their bores. Sometimes, people will not have the transmission lined up on the dowel pins and simply force the transmission onto the engine and end up pushing those alignment pins in. That is the only reason you would have flex plate failure so quickly like that and in such quick succession. A slight misalignment will overstress the flex plate and cause it to fail extremely quickly.

Keep in mind that our flex plate is treated to have better fatigue strength than the stock flex plate. Even still, it is vulnerable to improper installation. Not even a billet unit will stand up to improper alignment.
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Old 01-22-2013, 06:00 AM   #4 (permalink)
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Finally!!!! They are here
[IMG][/IMG]
[IMG][/IMG]
[IMG] DSC_0122 by han074, on Flickr[/IMG]
[IMG] DSC_0115 by han074, on Flickr[/IMG]
[IMG] DSC_0113 by han074, on Flickr[/IMG]
[IMG] DSC_0111 by han074, on Flickr[/IMG][IMG] DSC_0109 by han074, on Flickr[/IMG]
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Old 01-03-2013, 04:08 AM   #5 (permalink)
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Keep it a beastly auto!!!
Show the world the power of auto!!!
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Old 01-03-2013, 04:42 AM   #6 (permalink)
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Nice!
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Old 01-03-2013, 07:06 AM   #7 (permalink)
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I love the Auto Beast, nice build...
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Old 01-03-2013, 09:05 PM   #8 (permalink)
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As promised - pics of wheels, engine bay and few pics from the last event

enjoy

[IMG] image1 by han074, on Flickr[/IMG]
[IMG] image by han074, on Flickr[/IMG]
[IMG] 705325_10151118978532396_1618247080_o by han074, on Flickr[/IMG]
[IMG] 704241_10151118978562396_435495729_o by han074, on Flickr[/IMG]
[IMG] 736124_128094570685302_439369251_o by han074, on Flickr[/IMG]
[IMG] 664543_10151089442757396_490325535_o by han074, on Flickr[/IMG]
[IMG] 405083_10151142467627951_854020269_n by han074, on Flickr[/IMG]
[IMG] 487177_10151142442807951_591896022_n by han074, on Flickr[/IMG]
[IMG] 273189_10151125977987396_565446451_o by han074, on Flickr[/IMG]
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Old 01-03-2013, 09:10 PM   #9 (permalink)
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Love the pictures! Nice build!
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Old 01-22-2013, 08:31 AM   #10 (permalink)
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Very Nice I can only hope to have mine look like yours when I am done with it.
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Old 03-13-2013, 12:17 AM   #11 (permalink)
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maybe this will be the 1000hp black dragon, as opposed to the 4.2L white dragon
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Old 03-13-2013, 01:35 AM   #12 (permalink)
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Definitely looking forward to dynos
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Old 03-13-2013, 04:55 PM   #13 (permalink)
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I doubt it would happen but a 1k HP 7AT would be pretty sick.
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Old 03-13-2013, 05:01 PM   #14 (permalink)
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Hugh props. Nice to see the FCON is going to be used. Makes a high difference.
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Old 03-13-2013, 05:16 PM   #15 (permalink)
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So sick! Nice work!
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