Looks like 6mt is about to overtake 5at just like in a real race. jk...sorta

 

Ha ha Ya except in a real race - according to the numbers that I have seen it is the other way around. The 6MT gets to 60 first (by @ 1 tenth) and the 5AT gets to 100 first (by @ 1 tenth). (kinda wierd- you would think that it would be the other way around). But then again you can't really get an accurate picture when mag-racing- to many variables to consider. The dyno for the sedan shows a 2 HP advantage at the wheels for the 6MT over the 5AT (the coupe is using the same drive trane). The 5ATs torque converter makes up for that easily. At the track the guy driving the 6MT against the 5AT had better shift perfectly just to keep even. That is also one of the things I like about a 5AT - consistency. The only real advantage to a 6MT is the "fun factor" of the clutch.
Back in the day - the reason that you avoided an AT was because of drivetrane loss and no control. With that factor being now a non-factor (same drive trane loss and same ability to control the gears)- to me the 5AT is the way to go. Who cares what others think. If my 5AT is as fun to me as someone's 6MT is to them then that is all that matters- right

 

it was head to head....i tipped the scale..6MT FTW

 

Yo are you ****ing me around? Or are you serious? Others confirm?

 

Wow, you knew Peter Gregg? Awesome, I was a big fan, having attended the 24 Hours of Daytona for many years.

The quote was attributed to Peter on "Dream Car Garage" when Peter Klutz drove one of Gregg's 1973 911.

Thanks for sharing your story.

 

Was that the coupe where the race shop built the engine up from 2.34 liters to 2.55 liters? It was dropped on the torsion bars, had steel fender flares and wider Fuchs alloys. I think it also had a bored out exhaust.

 

From what I remember, it was an orange 911S that looked bone stock.

gurney

 

I don't know about you....but I doubt anyone ...especially a magazine tester can "out-row" me in my own car. Once you break in your own transmission learning the ins and outs (synchros some agreeable some not).. can you really fall to an automatic? I never have in the G35. I suspect the 6MT will be a bit faster with skilled drivers especially the ones whos primary car is the 6MT.

 

Anyone confirm that 6mt vs 5at statement above?

 

I am serious... I will try to find the dyno and links to the tests. If someone finds them before me- feel free to post...But these two drivetranes pretty much dead even in acceleration. They improved the operation of the AT very much in the G. The previous gen G was about the best slushbox I have seen/ experiened and the new one is now even better.

 

[QUOTE=KAHBOOM;2222650]Ha ha Ya except in a real race - according to the numbers that I have seen it is the other way around. The 6MT gets to 60 first (by @ 1 tenth) and the 5AT gets to 100 first (by @ 1 tenth). (kinda wierd- you would think that it would be the other way around). But then again you can't really get an accurate picture when mag-racing- to many variables to consider. The dyno for the sedan shows a 2 HP advantage at the wheels for the 6MT over the 5AT (the coupe is using the same drive trane). The 5ATs torque converter makes up for that easily. At the track the guy driving the 6MT against the 5AT had better shift perfectly just to keep even. That is also one of the things I like about a 5AT - consistency. The only real advantage to a 6MT is the "fun factor" of the clutch.
Back in the day - the reason that you avoided an AT was because of drivetrane loss and no control. With that factor being now a non-factor (same drive trane loss and same ability to control the gears)- to me the 5AT is the way to go. Who cares what others think. If my 5AT is as fun to me as someone's 6MT is to them then that is all that matters- right

I agree with what you said about an AT being more consistent (especially from a dig). I also believe that the only real advantage that a manual has is a greater fun factor when driving the car. I also heard about the BMW 335i 6AT showing only a small disadvantage in hp on a dyno to the 6MT (only about a 5hp difference is what i heard). I don't know how true that is.

 

This isn't the one that I was referring to but this person got very similar results. In one test only 1 to 4 HP less than the other 6MTs that had posted their results.
http://g35driver.com/forums/showthre...highlight=dyno

And the worst dyno run for the AT vs the best dyno run posted for the MT showed a difference of 9 HP (in favor of the MT)
The best dyno run of the AT vs the worst dyno run of the MT was a difference of 1HP (in favor of the MT)
The best dyno run of the AT vs the best dyno run of the MT was a difference of 4HP (in favor of the MT). Neither of these were tested at the same time as each other however. The one that I remembered that was tested under the same conditions showed a difference of 2 HP in favor of the MT

Peak torque in all testes were pretty much the exact same and in some tests the AT had more peak torque than one or more 6MT tests. Granted the OP had bolt ons but bolt ons don't do anything much for these cars. I will keep searching for the other tests as well as the mag test results.

_________________
Ah here is the dyno of the AT and MT both stock Sedans and on the same machine
http://g35driver.com/forums/showthre...highlight=dyno
The best results for both were a difference of about 2 to 4 HP as mentioned

 

5AT Road test from Edmunds:
0 - 30 (sec): 2.2
0 - 45 (sec): 3.7
0 - 60 (sec): 5.5
0 - 75 (sec): 8
1/4 Mile (sec @ mph): 13.9 @ 102.8

6MT ROAD TEST FROM EDMUNDS
0 - 30 (sec): 2
0 - 45 (sec): 3.5
0 - 60 (sec): 5.4
0 - 75 (sec): 7.9
1/4 Mile (sec @ mph): 13.8 @ 102.0



6MT Road test from C/D
TRANSMISSION: 6-speed manual
C/D TEST RESULTS:
Zero to 60 mph: 5.3 sec
Zero to 100 mph: 13.2 sec
Zero to 150 mph: 36.2 sec
Street start, 5–60 mph: 5.9 sec
Standing ¼-mile: 13.9 sec @ 103 mph

I have also seen a 5.2 for the AT and a 5.4 for the AT (0-60)

Now these that are posted were tested at different times obviously by different testers. But you can get a relative idea that the two trannys are almost identical in performance. No other mags have tested with any drastically different results for either transmissions.

 

Thanks. The car I remember was a sort of silver-blue metallic. I can't remember the name of the color, but it was a very nice looking 911.

 

Hey KAHBOOM, I think you told me bro. I really do. Another question about the paddle shifters. Is it pretty much like a SMG tranny on the BMW's? Can you downshift and it hold that gear? Until you change it, like a manual?