Just got TT now need to get power down to the road

alanforn · 11-11-2016, 03:31 PM

Just picked up my car with TT conversion, oh my god what fun! I knew the cars stock deficits would pop up (09 base manual). So it hits boost, rear starts spinning..usually starts to swing to the left. I suspect the base rear is the culprit. So anyway, spending my savings on the TT what (in order of importance) should I concentrate on piece by piece to get the power to the ground. Looking for sport driving/trackdays versus drag racing.

Thanks!
Alan

Butterybunz · 11-11-2016, 03:34 PM

Good tires and alignment with minimum negative camber helped me a lot in my 500+ whp Z

wideglideleon · 11-11-2016, 03:51 PM

An LSD would help a lot!

Spooler · 11-11-2016, 04:23 PM

LSD is the first place to upgrade.

Butterybunz · 11-11-2016, 04:25 PM

Oh yeah, lsd is a must.

xxAGAVExx · 11-11-2016, 07:03 PM

LSD and new diff bushings, then start replacing all the rear mushy rubber suspension bushings with SPL camber, toe and traction arms.

Sent from my iPhone using Tapatalk

alanforn · 11-11-2016, 08:41 PM

Thanks everyone, seems Quaife is one of popular ones and for once the base coupe has an advantage as doesn't need modifying to accept the change. I will read up but is the diff conversion best left to pro's (shims, backlash, etc) or is it a relatively straight forward install?
Alan

jchammond · 11-11-2016, 09:12 PM

Quote:

Originally Posted by alanforn

Thanks everyone, seems Quaife is one of popular ones and for once the base coupe has an advantage as doesn't need modifying to accept the change. I will read up but is the diff conversion best left to pro's (shims, backlash, etc) or is it a relatively straight forward install?
Alan

mine was straight forward,,,just be sure & replace bearings,races,seals & bushings....and use proper torque.
if you've never set up a diff. or had the pumpkin/crossmember bushing out,,,,pay someone.

jchammond · 11-11-2016, 09:19 PM

I'd be getting that open diff out pretty quick,,,can be very dangerous/un-predictable.

alanforn · 11-11-2016, 09:34 PM

I will pick up/install ASAP, until then just need to control my right foot. Of course I will do the bushings at the same time, gotten good at those since i've just replaced all rear subframe, control arms, etc. on E46 BMW 3 series..in excess of 20 bushings, many rather large. Those cars have a reputation for stressing/cracking of the unibody where the rear diff carrier mounts. They make a weld in reinforcement kit that I also installed, I haven't read of any problems with metal integrity on the 370 so hoping thats not an issue.

jchammond · 11-11-2016, 10:07 PM

Good deal; my ~Z~ is N/A & Quaife was first real mod/after car decided to change lanes on its on...if tires broke loose on a straight-Away...the one with the least amount of weight would spin faster & if they decided to swap sides,,,you could change lanes in a heartbeat!

Came out in 3 pieces (-oil) with homemade puller in front yard.
I'm going to bed...enjoy the TT & upload some pics

Sent from my iPhone using Tapatalk

alanforn · 11-12-2016, 04:58 AM

Quote:

Originally Posted by jchammond

Good deal; my ~Z~ is N/A & Quaife was first real mod/after car decided to change lanes on its on...if tires broke loose on a straight-Away...the one with the least amount of weight would spin faster & if they decided to swap sides,,,you could change lanes in a heartbeat!

Came out in 3 pieces (-oil) with homemade puller in front yard.
I'm going to bed...enjoy the TT & upload some pics

Sent from my iPhone using Tapatalk

Thats EXACTLY what its doing, random lane change..I make sure no one is around on multi lane blvd's when really kicking it. After the ghost lane changes I've decided to quit that altogether and enjoy the turbo noises!

I can relate to your pics, I changed all the BMW bushings with sockets, pipe, all thread, freezing bushings, etc. I have some sockets now that won't serve any other other purpose than changing BMW bushings after modding and welding on them..and I can tell you that will never happen again (on that car at least)

jchammond · 11-12-2016, 08:06 AM

One more option that you may want to consider, is upgrading the rear cover.
I got my stuff from Z1 Motorsports & the offer a rear cover upgrade kit/ which holds more fluid,has cooling fins & comes with everything you need for installation.(including fluid)
Those are great people to work with & I'm thinking the Quaife is on sale right now there.

OptionZero · 11-12-2016, 11:16 AM

Synolimit loves the EavetrC diff and he does a lot of tracking

But like everyone else said
More tire, better tires
Coilovers and everything SPL for full adjustability.
Diff and subframe bushings

Spooler · 11-12-2016, 12:53 PM

Get a Wavetrac LSD. It is better than the Quaife.

11-11-2016, 03:31 PM	#1 (permalink)
alanforn Base Member Join Date: Sep 2016 Location: Crownsville Maryland Posts: 63 Drives: 2009 370z Brilliant Rep Power: 8	Just got TT now need to get power down to the road Just picked up my car with TT conversion, oh my god what fun! I knew the cars stock deficits would pop up (09 base manual). So it hits boost, rear starts spinning..usually starts to swing to the left. I suspect the base rear is the culprit. So anyway, spending my savings on the TT what (in order of importance) should I concentrate on piece by piece to get the power to the ground. Looking for sport driving/trackdays versus drag racing. Thanks! Alan jchammond and Nithmo like this.

11-11-2016, 03:51 PM	#3 (permalink)
wideglideleon Track Member Join Date: Apr 2015 Location: Tucson AZ Posts: 569 Drives: SC 09 370Z LG 7AT Rep Power: 64085	An LSD would help a lot! Rusty likes this.

11-11-2016, 07:03 PM	#6 (permalink)
xxAGAVExx A True Z Fanatic Join Date: Nov 2012 Location: Tampa Posts: 1,014 Drives: 09 370Z BLK M6 Rep Power: 20368	Just got TT now need to get power down to the road LSD and new diff bushings, then start replacing all the rear mushy rubber suspension bushings with SPL camber, toe and traction arms. Sent from my iPhone using Tapatalk __________________ l 09/6MT l BP Twin Turbo Kit l E-85 w/Fuel Return l FI 18" Res CF CBE l Powertrix Ultra-Lite Coilovers l Wavetrac LSD \| Lots of SPL and Carbon Fiber \|

11-11-2016, 09:19 PM	#9 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 57 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684394	I'd be getting that open diff out pretty quick,,,can be very dangerous/un-predictable. __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

11-11-2016, 10:07 PM	#11 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 57 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684394	Good deal; my ~Z~ is N/A & Quaife was first real mod/after car decided to change lanes on its on...if tires broke loose on a straight-Away...the one with the least amount of weight would spin faster & if they decided to swap sides,,,you could change lanes in a heartbeat! Came out in 3 pieces (-oil) with homemade puller in front yard. I'm going to bed...enjoy the TT & upload some pics Sent from my iPhone using Tapatalk __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

11-11-2016, 03:34 PM	#2 (permalink)
Butterybunz Base Member Join Date: May 2016 Location: Minnesota Posts: 40 Drives: 2011 370z Red Manual Rep Power: 8	Good tires and alignment with minimum negative camber helped me a lot in my 500+ whp Z

11-11-2016, 04:23 PM	#4 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,507 Drives: 2013 Nismo 370z Rep Power: 2684391	LSD is the first place to upgrade.

11-11-2016, 04:25 PM	#5 (permalink)
Butterybunz Base Member Join Date: May 2016 Location: Minnesota Posts: 40 Drives: 2011 370z Red Manual Rep Power: 8	Oh yeah, lsd is a must.

11-11-2016, 08:41 PM	#7 (permalink)
alanforn Base Member Join Date: Sep 2016 Location: Crownsville Maryland Posts: 63 Drives: 2009 370z Brilliant Rep Power: 8	Thanks everyone, seems Quaife is one of popular ones and for once the base coupe has an advantage as doesn't need modifying to accept the change. I will read up but is the diff conversion best left to pro's (shims, backlash, etc) or is it a relatively straight forward install? Alan

11-11-2016, 09:34 PM	#10 (permalink)
alanforn Base Member Join Date: Sep 2016 Location: Crownsville Maryland Posts: 63 Drives: 2009 370z Brilliant Rep Power: 8	I will pick up/install ASAP, until then just need to control my right foot. Of course I will do the bushings at the same time, gotten good at those since i've just replaced all rear subframe, control arms, etc. on E46 BMW 3 series..in excess of 20 bushings, many rather large. Those cars have a reputation for stressing/cracking of the unibody where the rear diff carrier mounts. They make a weld in reinforcement kit that I also installed, I haven't read of any problems with metal integrity on the 370 so hoping thats not an issue.

11-12-2016, 08:06 AM	#13 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 57 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684394	One more option that you may want to consider, is upgrading the rear cover. I got my stuff from Z1 Motorsports & the offer a rear cover upgrade kit/ which holds more fluid,has cooling fins & comes with everything you need for installation.(including fluid) Those are great people to work with & I'm thinking the Quaife is on sale right now there. __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

11-12-2016, 11:16 AM	#14 (permalink)
OptionZero A True Z Fanatic Join Date: Apr 2011 Location: Sacramento Posts: 3,160 Drives: 15 370Z Nismo 6MT Rep Power: 203226	Synolimit loves the EavetrC diff and he does a lot of tracking But like everyone else said More tire, better tires Coilovers and everything SPL for full adjustability. Diff and subframe bushings Last edited by OptionZero; 11-12-2016 at 01:06 PM.

11-12-2016, 12:53 PM	#15 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,507 Drives: 2013 Nismo 370z Rep Power: 2684391	Get a Wavetrac LSD. It is better than the Quaife. Hotrodz and xxAGAVExx like this.

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