3rd gear 7at question

GZ3 · 06-30-2015, 09:53 AM

Is there anything i can do to rev out 3rd gear more on the 7AT? Once tuned, I might raise the rev limiter to 8k if it still makes power. Right now, third goes to 80 and I was looking for about 90-95. I havent seen any FD's that go below 3.3(stock 7AT) and suprisingly google was no help. PS idas about my 7th

thanks

DEpointfive0 · 06-30-2015, 10:09 AM

Why?

And you don't want to raise the limiter if you intend on going past 7500 often. The oil pump will die and if you're on a turn you'll likely oil starve

GZ3 · 06-30-2015, 10:15 AM

In my 5.0 I went from 3.73 to 3.31 to stay in the power band longer down the 1/4...even with then % decrease in acceleration I managed much better ET and trap. Guy were either doing 3.31 or 4.10. 4th in this 7AT is weak....

TerribleONE · 06-30-2015, 10:17 AM

An extra 500RPM's isn't going to get you 15mph in that gear. I'd leave it alone if I were you

GZ3 · 06-30-2015, 01:34 PM

Quote:

Originally Posted by TerribleONE

An extra 500RPM's isn't going to get you 15mph in that gear. I'd leave it alone if I were you

I agree, anyone heard of any FD?

GZ3 · 06-30-2015, 01:36 PM

the current ratios for 1-2 arent too bad

ANMVQ · 07-01-2015, 04:12 PM

My third touches 95 :/

ANMVQ · 07-01-2015, 04:14 PM

you can try a 3.90 FD, Some guys go 4.08's but I think 3.90's for us auto guys. I'm trying to change both on mine. Still looking for a set for the front

GZ3 · 07-01-2015, 08:13 PM

Quote:

Originally Posted by ANMVQ

My third touches 95 :/

95?? Thats great! Whats your final drive? My 3rd tops at 80... Crap

Taylortoons · 07-02-2015, 06:18 AM

I agree the FD on the AT is lacking in the upper gears. I believe 4th is 1:1, which leaves 5-7 as three overdrives.

The 4.08 redefines the performance of our cars. I have tons of power and torque through all seven gears now. Upgrading the diff is a pricey mod, but a game changer in terms of power availability.

I don't track my car (or drive it daily) but my guess would be that I could get through the quarter in 4th or even 5th gear with all the available power the car offers.

Megan370z · 07-02-2015, 06:31 AM

Quote:

Originally Posted by Taylortoons

I agree the FD on the AT is lacking in the upper gears. I believe 4th is 1:1, which leaves 5-7 as three overdrives.

The 4.08 redefines the performance of our cars. I have tons of power and torque through all seven gears now. Upgrading the diff is a pricey mod, but a game changer in terms of power availability.

I don't track my car (or drive it daily) but my guess would be that I could get through the quarter in 4th or even 5th gear with all the available power the car offers.

no, 1:1 is still the 5th gear.

ANMVQ · 07-02-2015, 07:35 AM

Quote:

Originally Posted by GZ3

95?? Thats great! Whats your final drive? My 3rd tops at 80... Crap

my FD is 3.36

. Looking to go 3.90's but need to find fronts as well. Just saw that my front diff is a F160A, What the hell is that ! If I can find if the older Skylines use this maybe I can find gears.

GZ3 · 07-02-2015, 10:46 AM

Quote:

Originally Posted by Taylortoons

I agree the FD on the AT is lacking in the upper gears. I believe 4th is 1:1, which leaves 5-7 as three overdrives.

The 4.08 redefines the performance of our cars. I have tons of power and torque through all seven gears now. Upgrading the diff is a pricey mod, but a game changer in terms of power availability.

I don't track my car (or drive it daily) but my guess would be that I could get through the quarter in 4th or even 5th gear with all the available power the car offers.

I can see how 4.0 would help out in 7 speeds, by any chance do you know what your 1-2-3 gears top out at?

GZ3 · 07-02-2015, 10:48 AM

Quote:

Originally Posted by ANMVQ

my FD is 3.36

. Looking to go 3.90's but need to find fronts as well. Just saw that my front diff is a F160A, What the hell is that ! If I can find if the older Skylines use this maybe I can find gears.

I wish my 3rd toped out like yours... Is the same 7at as in the g?

TerribleONE · 07-02-2015, 10:49 AM

Quote:

Originally Posted by GZ3

I wish my 3rd toped out like yours... Is the same 7at as in the g?

No 7AT back then, just the 5AT.

06-30-2015, 09:53 AM	#1 (permalink)
GZ3 A True Z Fanatic Join Date: Dec 2009 Location: SATX Posts: 3,296 Drives: Z Rep Power: 21	3rd gear 7at question Is there anything i can do to rev out 3rd gear more on the 7AT? Once tuned, I might raise the rev limiter to 8k if it still makes power. Right now, third goes to 80 and I was looking for about 90-95. I havent seen any FD's that go below 3.3(stock 7AT) and suprisingly google was no help. PS idas about my 7th thanks __________________ 09 GT-R 12' 370Z 7AT HANDED DOWN 12'+13' 5.0 SOLD

06-30-2015, 10:09 AM	#2 (permalink)
DEpointfive0 Premium Member Bitches Join Date: Jan 2012 Location: SoCal Posts: 14,824 Drives: a lot Rep Power: 17151	Why? And you don't want to raise the limiter if you intend on going past 7500 often. The oil pump will die and if you're on a turn you'll likely oil starve TerribleONE, jwick, warpeacelove and 2 others like this. __________________ Do YOU want to know what/where I got my username from? ( Click to show/hide ) NSFW due to language:

06-30-2015, 10:15 AM	#3 (permalink)
GZ3 A True Z Fanatic Join Date: Dec 2009 Location: SATX Posts: 3,296 Drives: Z Rep Power: 21	In my 5.0 I went from 3.73 to 3.31 to stay in the power band longer down the 1/4...even with then % decrease in acceleration I managed much better ET and trap. Guy were either doing 3.31 or 4.10. 4th in this 7AT is weak.... __________________ 09 GT-R 12' 370Z 7AT HANDED DOWN 12'+13' 5.0 SOLD

06-30-2015, 10:17 AM	#4 (permalink)
TerribleONE A True Z Fanatic Join Date: Jan 2009 Location: Socal Posts: 10,203 Drives: WOT Rep Power: 5850	An extra 500RPM's isn't going to get you 15mph in that gear. I'd leave it alone if I were you Felix 808, DEpointfive0 and Memphis370Z like this. __________________ 638WHP 541WTQ @ 13.5PSI Build thread

06-30-2015, 01:36 PM	#6 (permalink)
GZ3 A True Z Fanatic Join Date: Dec 2009 Location: SATX Posts: 3,296 Drives: Z Rep Power: 21	the current ratios for 1-2 arent too bad __________________ 09 GT-R 12' 370Z 7AT HANDED DOWN 12'+13' 5.0 SOLD

07-01-2015, 04:12 PM	#7 (permalink)
ANMVQ A True Z Fanatic Join Date: Mar 2011 Location: Framingham MA Posts: 2,732 Drives: 2014 Q50 AWD Rep Power: 19	My third touches 95 :/ __________________ 14 Q50 AWD, ARK, ECUTEK (SEB), Takda,

07-01-2015, 04:14 PM	#8 (permalink)
ANMVQ A True Z Fanatic Join Date: Mar 2011 Location: Framingham MA Posts: 2,732 Drives: 2014 Q50 AWD Rep Power: 19	you can try a 3.90 FD, Some guys go 4.08's but I think 3.90's for us auto guys. I'm trying to change both on mine. Still looking for a set for the front __________________ 14 Q50 AWD, ARK, ECUTEK (SEB), Takda,

07-02-2015, 06:18 AM	#10 (permalink)
Taylortoons Base Member Join Date: Aug 2013 Location: Dallas Posts: 98 Drives: 11 370Z AT PW Rep Power: 12	I agree the FD on the AT is lacking in the upper gears. I believe 4th is 1:1, which leaves 5-7 as three overdrives. The 4.08 redefines the performance of our cars. I have tons of power and torque through all seven gears now. Upgrading the diff is a pricey mod, but a game changer in terms of power availability. I don't track my car (or drive it daily) but my guess would be that I could get through the quarter in 4th or even 5th gear with all the available power the car offers. __________________ Top Speed CF Intake, FI Non Res TP, Nismo Exhaust, ONEighty LED, JDM Rear Fog, Kranze II, Michelin Pilot SS, Quaife LSD, 4.08, Whiteline, UpRev

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