Forced Induction & 7AT 370z Info

JWillis72

They always answered my email but it wasn't fast.


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StillenZ84

Always answered my emails as well. Im sure they are probably closed if they aren't replying.

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AtA SC|9 lb pulley|2.85" SC|3.47" Jack|E85|CJM S1-SE|ID1000s|Walboro 485|Zeitronix FF|Stillen CBE|AP Racing|Level 10|F.I. Flex plate|Nismo-S tune|EcuTek RaceRom|Sebz|Speed density|Haltech|3GsCustoms Dual pod a-pillar|Carbon Signal GTR gauges|Fujimura|Built| CP Pistons/Carrillo rods|PortPolishHeads/intakes|928motorsports IG: evanosteenz34

daveb91

Yeah still no answer from email....like the third time I emailed them to...maybe if I get a day off I can phone them. Can't use phone for personal business while at work..

shadow85

Hey guys I was planning on upgrading my stock Z to the Stillen SC with A2A. But after reading this entire thread I am a lil gutted. No has made any recent replies in this thread.

Is people still having their 7AT pop driving hard with SC?? And to overcome this I need something like a level 10 tranny upgrade, valve body upgrade and trans cooler?

I am in Australia, not sure if we can get these trannys here.

shadow85

So anyone tried yet if the JR711E with it's higher tq rating will fit the Z?

Interesting thread here but it died in 2013:
Nood questions needing your expertise (supercharger on a A/T)

I would like to know this. Because I am in Australia so I can't get the level10 or gamma motor built transmission unless I wanna pay over $3K usd for shipping alone.

So maybe I could get a JR711E from a Nissan patrol locally and swap it out on the Z, or atleast the internals if it works?

Chuck33079

You're gonna have to find out. That thread died because here in the US, it's not necessary. We've got options. You don't, so you're going to have to get creative. It's a gamble. Honestly, from what you posted about mod options and parts costs down under, you might have better luck with a vehicle that has better aftermarket support down there. That, or be ready to deal with some setbacks and dead ends (or paying a fortune in shipping). Why are you looking in the US for parts? Isn't getting things from Japan far easier and cheaper for you?

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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

shadow85

Found a trans shop here in Australia, named JD transmission. He is currently changing a customers 7AT out for a race spec 4speed auto gearbox and custom TQ converter and adapter plate, and customise the tailshaft, fully manualise them to get away from the electronics side of things. The customers car is a fully built 800whp Z.

daveb91

Any new info on any of this...

blueranger

RJM is now working on a 7AT transmission build soon to be released.

I know at least 9 Level 10 transmission builds not holding power

Fast Intentions has three or four solid built transmissions running 600+whp

I know of one very reputable transmission shop that might offer a 7AT build this year (fingers crossed).

I think the Boosted Auto Platform will grow as more options become available and we show what the Autos can do at the track

Just what I know

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F.I. Stage 1 Twin Turbo #48 | E85 FlexFuel | Built 7AT | F.I. 34 Row Oil Cooler | F.I. Flex Plate | F.I. 19 row Trans Cooler | MT ET Street S/S | ECUTEK Tuned by Seb | RPM Roll Bar

kinitox

But one question: who is the best doing transmission rebuilt for 370z 7AT?

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cupcakez

Contact RJM.
Go to their fb page and direct message them.
Their 7AT package is 5500 + 1300 for additional TQ converter.
They swap out 12 plates : 6 new carbon and 6 steel ones.
They also do valve body machine work.

Better than level10

jwick

Damn. It better be good for $7k.

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'10 G37T 6MT Graphite/Graphite - BP - G37T Build

cupcakez

Triple disc torque converter.
And level10 package is around the same price for less work into the AT and less upgrades.

jwick

That’s still a lot of money. Nice thing about the MT, the amount of power it holds is based on the rating of the clutch.

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'10 G37T 6MT Graphite/Graphite - BP - G37T Build

Baronsmokes

I had mine built by level 10.So far so good.If you are going for big HP it is a must.Looking at about 7k + for the job.A lot of money.Built AT will shift faster than a manual.You have to pay to play.Other options out there.I did not know of others when I had my tranny built.The level 10 tranny I have can put the hammer down to the 600 whp in my car.