Originally Posted by JARblue (Post 3323450)

Why do you need to shift fast under 2500 RPMs? I can do a quick shift at 2500 RPMs, but it's just wearing out the clutch faster.

At 7200 RPMs, a proper shift in the 6MT is imperceptibly slower than the same shift in a 7AT :twocents:

Originally Posted by GZ3 (Post 3323460)

oh you may not percieve it ....but you will see it! ahahah:inoutroflpuke:

Originally Posted by JARblue (Post 3323463)

Seeing is a form of perception. Maybe you don't understand the definition of imperceptible ;)

Imperceptible (adj.): impossible to perceive.

:tiphat: :icon17:

Originally Posted by JARblue (Post 3323450)

Why do you need to shift fast under 2500 RPMs? I can do a quick shift at 2500 RPMs, but it's just wearing out the clutch faster.

At 7200 RPMs, a proper shift in the 6MT is imperceptibly slower than the same shift in a 7AT :twocents:

Originally Posted by FPenvy (Post 3323451)

...........you mean at all speeds and all rpms.

Originally Posted by AngelNismo (Post 3323454)

:icon17: OK.

I'm not talking about going pass the rev limit, if you are in AT and slow down abruptly and on the apex accelerate again the ECU may stall from a rev limit, this has been encountered not only by me but many others on this forum.

How drastic the timing of the shift is is subjective, as you pointed out it is minor compared to a manual shift, however you are then acknowledging it's existence, and so am I, even though yes it is slight.

I'm not sure what track you go on, but my experience is on a really curvy track. Regardless this is a YMMV situation, depending on you, and who you are driving with, etc.. I just made it a point b/c I feel the combination of the down and upshifts may not be handled as well by the ECU as a human would.

I'm not referring at all to straight line street/drag racing.

Originally Posted by mishuko (Post 3323471)

lies! lies i say!

all good... nice guys finish last...

Originally Posted by D.Stillwell (Post 3323495)

I think this is missing the point tho. Yes the 7AT will technically shift "faster"...

But it has a torque converter, so you do get more drivetrain loss than a 6MT. It may seem to shift faster but not sure it's getting the same power from the shift.

6MT usually always makes more power than AT on dyno due to AT drivetrain loss.

And when driving fast, you can shift pretty damn quickly in the MT...not to mention, you can do other things like dump the clutch and take off like mad...

You can also shift into any gear anytime with MT, in the auto you have to go thru all the gears if downshifting from 5th-2nd for example

I digress...

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Originally Posted by GZ3 (Post 3323570)

yes you are missing the point... the fastest track times belong to the AT, which also relfect the best traps too...so its faster and appearantly putting the power to the ground very well:tup:

Originally Posted by D.Stillwell (Post 3323589)

Welp, alright. I dont believe it till I see it, I've seen many MT vs AT arguments with different cars over the years and I dont buy an automatic w/ torque converter being better than 6MT. If it was a dual clutch, maybe...

How come the 6MT honda accord is way faster than auto? Its just math, and facts, and mechanical 6MT connection.

You guys are just trying to justify purchasing the AT over MT...

Either that, or all the 6MT drivers here suck. I'll take on any 7AT with same mods and guarantee a win.


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Originally Posted by FPenvy (Post 3323595)

do I need to make a trip down to VA soon? :stirthepot:

I have been meaning to go see my family just outside of DC here soon.

Originally Posted by D.Stillwell (Post 3323597)

:stirthepot: indeed lol

But wait till I get the turbo, and learn to drive :mad:

Originally Posted by D.Stillwell (Post 3323607)

^^ lol

I've been wondering about this 7AT vs MT for few days...

I destroyed a 370 roadster 7AT yesterday, but chalked it up to being a roadster....I need to see more 7AT coupes on the road, I never see any...

Is your Z modded FP?

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Originally Posted by D.Stillwell (Post 3323613)

Ahhh....once I throw the Stillen exhaust on this weekend we will be pretty even on mods minus the oil cooler and tune...

But mine has 2k miles vs 50k, would be a fun run lol

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Originally Posted by BC416 (Post 3323572)

I thought Phunk still had the trap record?

Originally Posted by D.Stillwell (Post 3323655)

Sounds good. I'll be resting mine in winter too, probably will wait til December to do it tho...

Why do you think it needs a maf cleaned

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Originally Posted by D.Stillwell (Post 3323495)

I think this is missing the point tho. Yes the 7AT will technically shift "faster"...

But it has a torque converter, so you do get more drivetrain loss than a 6MT. It may seem to shift faster but not sure it's getting the same power from the shift.

6MT usually always makes more power than AT on dyno due to AT drivetrain loss.

And when driving fast, you can shift pretty damn quickly in the MT...not to mention, you can do other things like dump the clutch and take off like mad...

You can also shift into any gear anytime with MT, in the auto you have to go thru all the gears if downshifting from 5th-2nd for example

I digress...

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Originally Posted by mishuko (Post 3323699)

i'd like to debunk this old truth as well... old.

historically you'd lose ~25% or so power on an automatic vs ~15% manual.

in this car people in auto's are dropping around ~20% and manuals ~17% from the crank so statistically insignificant.


oh and pansy ain't feeling the punch cause he's all loose now. ya know what i'm saying? :stirthepot:

Originally Posted by FPenvy (Post 3323706)

if that's true then you all have weak blocks and numbers.....:stirthepot:

I put down big numbers for an auto losing more % in the drivetrain loss calc.

Originally Posted by mishuko (Post 3323713)

non-modded stock cars that haven't been tuned. i think i need to tune your insert NSFW word here.

Originally Posted by FPenvy (Post 3323716)

well if i'm above others and gained less with my tune than most......that means stock I was stronger.


and you can tune up deez nuts :yum:

Originally Posted by mishuko (Post 3323721)

wtb sheets or bust.


oh and by busting i mean unscrewing dat oil nut and let it drain all out. :yum:

Originally Posted by FPenvy (Post 3323728)

heres the write up

AAM Competition - Nissan GT-R, 370Z Turbo Performance Specialists

http://aamcompetition.com/files/prestodyno%20copy.jpg

Originally Posted by D.Stillwell (Post 3323753)

Those are some good numbers. :tiphat:

I'm hoping to be at 330whp after bolt ons and tune

Originally Posted by ayrton88 (Post 3323757)

I will readily admit that an AT is probably faster....I could care less. It is still boring.

Originally Posted by FPenvy (Post 3323768)

That's just intakes and exhaust. If I do upper/lower manifolds with ported tb's maybe even add headers I could see mine going up a good bit more too.

Originally Posted by D.Stillwell (Post 3323774)

Yeah for sure.

Thats the setup Im about to have also, not bad for a start tho, I only got 2k miles on the Z. Stllen intakes/exhaust and tune will hopefully put me at 330.

Originally Posted by b15 (Post 3323777)

Why Stillen exhaust out of curiosity? It's one of the more mild exhausts for the 370z and probably won't yield you the best gains.

Originally Posted by D.Stillwell (Post 3323780)

Yeah I was going to buy HKS but...

Craigslist 5 min from home happened....got stillen g3 intake and stillen exhaust both for 900 so I had to jump on that

And yes Im leaving stock cats on but probably will end up with hi flo cats soon.

Originally Posted by D.Stillwell (Post 3323780)

Yeah I was going to buy HKS but...

Craigslist 5 min from home happened....got stillen g3 intake and stillen exhaust both for 900 so I had to jump on that

And yes Im leaving stock cats on but probably will end up with hi flo cats soon.

Originally Posted by FPenvy (Post 3323769)

Just means you either can't drive or don't have balls when driving.

Originally Posted by FPenvy (Post 3323788)

With stillen exhaust and stick cats 330whp is super optimistic. You'll be more around 305-310 range that's also dependent on what dyno it's tuned on as well.

Originally Posted by D.Stillwell (Post 3323803)

I hear ya, I'm sure you're right. I'll probably end up rolling to AAM or MA Motorsport to get tuned.