Nissan 370Z Forum

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-   -   What's wrong with the 6MT? (http://www.the370z.com/nissan-370z-general-discussions/8449-whats-wrong-6mt.html)

wstar 08-28-2009 03:03 PM

Adding more thoughts to the above: this is probably why I find it hard to put/keep the accel pedal on the "neutral torque" spot for a given gear/speed at times (as in, just the right amount of gas to neither accelerate nor decelerate). Eventually you settle in anyways, by landing slightly high or low and then letting the car's speed adjust until that neutral torque point is achieved. At low revs you'd hardly notice (like attaining a cruising speed in top gear), but at high revs I notice it a lot (like when you accelerate up a gear hard, then want to hold neutral torque for a few seconds there before engine braking back through the same gear).

!xoible 08-28-2009 03:11 PM

isnt there a spring you put on the clutch pedal to make it lighter/heavier based on what you want?

jmlenz 08-28-2009 06:02 PM

heavy clutch? compared to a civic maybe. This 6MT is a nice piece...great clutch weight/engagement, positive short throws, no slop, a hair notchy but very accurate. Only trans Ive encountered that makes this gearbox seem inferior is the sublime S2k 6MT...that maybe the worlds greatest though...

!xoible 08-28-2009 06:12 PM

lol it's funny... i guess i have different perception. i consider heavy clutches good, dont care too much about light ones. i have very mixed feelings about my clutch, all i can say is it's the weirdest clutch i've driven.

one thing i love about nissan's 6MT is the proper spacing between gates, it's so natural for me, i never mis-shift.

mcphelps 08-28-2009 07:33 PM

Edmund's long term test car had to have the tranny replaced, so now, of course, it's a problem area.

2009 Nissan 370Z: Stuck in Gear | Long-Term Road Tests Blog on Edmunds' Inside Line
2009 Nissan 370Z: Transmission Replacement | Long-Term Road Tests Blog on Edmunds' Inside Line

alan93rsa 08-28-2009 08:46 PM

I think Nissan's SRM combined with the Cayman S trans would be a winner.

antennahead 08-28-2009 10:07 PM

Quote:

Originally Posted by wstar (Post 174669)
Adding more thoughts to the above: this is probably why I find it hard to put/keep the accel pedal on the "neutral torque" spot for a given gear/speed at times (as in, just the right amount of gas to neither accelerate nor decelerate). Eventually you settle in anyways, by landing slightly high or low and then letting the car's speed adjust until that neutral torque point is achieved. At low revs you'd hardly notice (like attaining a cruising speed in top gear), but at high revs I notice it a lot (like when you accelerate up a gear hard, then want to hold neutral torque for a few seconds there before engine braking back through the same gear).

:iagree: I hear ya wstar, this is a minor annoyance to me as well especially "(like when you accelerate up a gear hard, then want to hold neutral torque for a few seconds there before engine braking back through the same gear)". But in the scope of things, it really is minor.

John

pulpz 08-29-2009 07:56 AM

Quote:

Originally Posted by !xoible (Post 174686)
isnt there a spring you put on the clutch pedal to make it lighter/heavier based on what you want?

Yes, on the 350Z forums I believe there are few threads on how to adjust more to your preference.

pulpz 08-29-2009 07:58 AM

Quote:

Originally Posted by !xoible (Post 174974)
lol it's funny... i guess i have different perception. i consider heavy clutches good, dont care too much about light ones. i have very mixed feelings about my clutch, all i can say is it's the weirdest clutch i've driven.

one thing i love about nissan's 6MT is the proper spacing between gates, it's so natural for me, i never mis-shift.

I prefer the heavy clutch feel, give the car a more ballsy character. Everyone has there preference.

Don't like the light accelerator

spearfish25 08-29-2009 09:35 AM

If you want to smooth out the shifts more, replace your transmission fluid with Redline. I posted a DIY and found my shifts, especially when cold, were noticeably smoother.

1slow370 08-29-2009 07:01 PM

I found with mine that it shifts beautifully with 2 exceptions but they probably made mine wrong: 1-2 upshift at 6500+ has about a 10% failure rate (some bad synchro noise and a sick feeling in my stomach) and a skip shift from 3-6 coming off on ramps balls out to cruising speed just doesn't go in 2% (no noise or anything but then it becomes very difficult to get it in any gear without both hands but then once it drops into gear it's fine again). If they weren't only from high rpms i would complain to a dealership but right now with nissan the way it is that is pure voidage FTMFL. Gonna try redline see if that helps.


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