Firiming up auto shift?

av370 · 07-04-2009, 06:22 PM

Is there any program or valve body to firm up the shifts on the auto? On my 03 lightning I changed my valve body and picked up some mph in the 1/4- not only that but it dosent feel right for any slippage between gears (to me)
thanks, Ken.

GMZ · 07-04-2009, 08:36 PM

There might be a valve body upgrade out but I'm not sure. The 7AT is on one of the FX's right? So it's been out for a bit. Maybe holler at Stillen or Level 10. I'm sure one of the tuners or shops on here would have some more info.

nogoodname · 07-04-2009, 09:03 PM

for quicker shifts, get a grounding kit...works best for AT's

frost · 07-04-2009, 09:10 PM

I wouldnt mind this either. It would be nice to not have to switch to the paddles to get a more aggressive shift.

LiquidZ · 07-04-2009, 09:53 PM

I know the tuners from the Mustang world would incorporate firmer shifts in their AT tunes. It is possible, but I'm not sure how it will work with the Z.

av370 · 07-04-2009, 09:55 PM

Quote:

Originally Posted by nogoodname007

for quicker shifts, get a grounding kit...works best for AT's

I saw that on the Stillen web site, I wonder if nissan would void warranty with this?(they olny come in red or silver-obvious mod)

nogoodname · 07-04-2009, 09:58 PM

i have black ones on my car, been to the dealership many times...they didnt care at all.

i can even make them for half the cost with 4awg instead of the 8awg that stillen gives....lol

KillBill · 07-09-2009, 07:44 PM

I have an auto with the Stillen grounding kit added...no warranty problems at all. You will feel a slight difference in the speed of the shift and it is a good mod that is relatively inexpensive.

ZforMe · 07-09-2009, 08:37 PM

Any difficulties in installing this grounding kit?

370Z Purist · 07-10-2009, 04:32 AM

I've heard it's basically simple, and it doesn't require you to do any gymnastics. A grounder should make shifts noticeably faster and the engine slightly more responsive, since the entire car is basically a computer.

nogoodname · 07-10-2009, 09:08 AM

it's very simple to do, i'll let you know when i made my own kit.

ZforMe · 07-10-2009, 10:31 AM

Quote:

Originally Posted by nogoodname007

it's very simple to do, i'll let you know when i made my own kit.

Sounds great! I would like a black jacket option (if you're gonna be making them for others), thanks.

nogoodname · 07-10-2009, 10:36 AM

off course options will be available, even lime green or red or blue....whatever you like

right now, the 1st ones will be carbon fiber theme

ZforMe · 07-10-2009, 11:14 AM

Ok, in for CF option.

370Z Purist · 07-11-2009, 03:54 AM

I think this would even benefit the M/T's if they have SRM. Probably make it a bit more responsive, I suppose.

07-04-2009, 06:22 PM	#1 (permalink)
av370 Base Member Join Date: Jul 2009 Location: antelope valley CA Posts: 70 Drives: 09 370Z Rep Power: 264	Firiming up auto shift? Is there any program or valve body to firm up the shifts on the auto? On my 03 lightning I changed my valve body and picked up some mph in the 1/4- not only that but it dosent feel right for any slippage between gears (to me) thanks, Ken.

07-04-2009, 09:53 PM	#5 (permalink)
LiquidZ A True Z Fanatic Join Date: Nov 2008 Location: Columbus, OH Posts: 1,940 Drives: Mag. Black 2009 370Z Rep Power: 705	I know the tuners from the Mustang world would incorporate firmer shifts in their AT tunes. It is possible, but I'm not sure how it will work with the Z. __________________

07-04-2009, 09:58 PM	#7 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1765	i have black ones on my car, been to the dealership many times...they didnt care at all. i can even make them for half the cost with 4awg instead of the 8awg that stillen gives....lol Last edited by nogoodname; 07-04-2009 at 10:00 PM.

07-09-2009, 08:37 PM	#9 (permalink)
ZforMe Base Member Join Date: Jan 2009 Location: Memphis TN Posts: 238 Drives: 370Z Sport Auto PG Rep Power: 16	Any difficulties in installing this grounding kit? __________________ 13.369 @ 102.73 Bone Stock. BERK HFC's installed 5/14/09 @ 1490miles, 13.212 @ 106.15. Cobb Post MAF Hoses installed 3/20/10 @ 5,043miles, future: FI exhaust with 18" res and s/s cans.

07-10-2009, 04:32 AM	#10 (permalink)
370Z Purist A True Z Fanatic Join Date: Jun 2009 Location: Zion, Illinois Posts: 1,873 Drives: '09 370Z-T BS M6 Rep Power: 19	I've heard it's basically simple, and it doesn't require you to do any gymnastics. A grounder should make shifts noticeably faster and the engine slightly more responsive, since the entire car is basically a computer. __________________ -Phil "Since one of my brake light bulbs just went out, the forum told me that my piston rings are about to blow."

07-04-2009, 08:36 PM	#2 (permalink)
GMZ Enthusiast Member Join Date: Jun 2009 Location: Virginia Beach Posts: 304 Drives: 07 V8 4Runner 4x4 Rep Power: 16	There might be a valve body upgrade out but I'm not sure. The 7AT is on one of the FX's right? So it's been out for a bit. Maybe holler at Stillen or Level 10. I'm sure one of the tuners or shops on here would have some more info.

07-04-2009, 09:03 PM	#3 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1765	for quicker shifts, get a grounding kit...works best for AT's

07-04-2009, 09:10 PM	#4 (permalink)
frost Retired admin Join Date: Dec 2008 Location: Winterfell Posts: 106,613 Drives: Your Wife Crazy Rep Power: 0	I wouldnt mind this either. It would be nice to not have to switch to the paddles to get a more aggressive shift.

07-09-2009, 07:44 PM	#8 (permalink)
KillBill Base Member Join Date: Jul 2009 Location: San Bernardino Posts: 86 Drives: 08-G37S Rep Power: 16	I have an auto with the Stillen grounding kit added...no warranty problems at all. You will feel a slight difference in the speed of the shift and it is a good mod that is relatively inexpensive.

07-10-2009, 09:08 AM	#11 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1765	it's very simple to do, i'll let you know when i made my own kit.

07-10-2009, 10:36 AM	#13 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1765	off course options will be available, even lime green or red or blue....whatever you like right now, the 1st ones will be carbon fiber theme

07-10-2009, 11:14 AM	#14 (permalink)
ZforMe Base Member Join Date: Jan 2009 Location: Memphis TN Posts: 238 Drives: 370Z Sport Auto PG Rep Power: 16	Ok, in for CF option. __________________ 13.369 @ 102.73 Bone Stock. BERK HFC's installed 5/14/09 @ 1490miles, 13.212 @ 106.15. Cobb Post MAF Hoses installed 3/20/10 @ 5,043miles, future: FI exhaust with 18" res and s/s cans.

07-11-2009, 03:54 AM	#15 (permalink)
370Z Purist A True Z Fanatic Join Date: Jun 2009 Location: Zion, Illinois Posts: 1,873 Drives: '09 370Z-T BS M6 Rep Power: 19	I think this would even benefit the M/T's if they have SRM. Probably make it a bit more responsive, I suppose. __________________ -Phil "Since one of my brake light bulbs just went out, the forum told me that my piston rings are about to blow."

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