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

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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

Damn. It better be good for $7k.

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

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.

It is a lot of money.
But thats the disadvantage of ATs is their AT upgrades cost hella lol.

MT clutches and tranny hold a ton of tq!

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.

Forced Induction & 7AT 370z Info
 

I agree but if I was willing to own an AT then I wouldn’t be in the VQ community. I’d be driving an ISF. Only left the Lexus community because they stopped making MT.

Granted there are a lot of faster cars.I'm not going to open the can of snakes about MT and AT.Yes I have stick in other cars I own.

I have followed the Z over the years.Buddy bought a new 240Z when they came out.I liked the look of the 370Z.Bought a roadster.It just did not have the HP I liked.

Now I have a car I think looks great with plenty of Horsepower and fast shifting automatic transmission.Whats wrong with that?

Nothing. You build what you enjoy. I have nothing against ATs. I just prefer MT in my sport cars, even though I know the modern AT is ‘faster’.

the modern AT isn't faster when you can run 1100whp through the manual lol

we will see
im lucky, i have fully built GTM 7 AT

My built 7AT has been solid for two years at 650whp with weekly trips to the Dragway. Not sure how much more power it can hold once I go 800+ whp.

Would be great if we can adapt a TH400 with transbrake for us dragstrip junkies.


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Or a 4l60e

I've been looking into this a lot for my 7at, running low boost right now until my "fun" budget is built back up.

IPT (Import Performance Transmissions) in New Jersey builds them a bit better than Lvl10 from what I've been told. The guys in Dubai abusing the **** out of their boosted Nissan Patrols (same transmission) send their transmissions to IPT here in the states. I personally know of a guy with a 7at g37 that was built by level 10 and still busted it. Took it to IPT and it's been running strong ever since.

I'm personally saving for the RJM solution. It's worth the cash, they build it up more than the other two solutions. Overkill if you never plan on going past 600 or 700whp but beyond that, RJM's transmission will outperform the other options.