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How to make the 350z auto trans stronger

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Old 07-28-2009, 06:26 AM
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skarakis007
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Default How to make the 350z auto trans stronger

Where can i buy anything to make the 350z auto trans stronger
like clutch's & shift kits.
Old 07-28-2009, 07:44 AM
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3-fifty-WeEe
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take it apart and replace the springs with stiffer ones. haa ull notice a difference in shifts
Old 07-28-2009, 07:44 AM
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gone-zo
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At the risk of getting flamed; I have seen valve body upgrades from stillen and Z1 motorsports where you send in part of your engine and they rehaul your tranny. You're supposed to get crisper shifts after all is done.

... and do a search as well to find more support, I'm sure I read a thread where this was discussed.
Old 07-28-2009, 10:29 AM
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R350Zz33
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u can get the valve body upgrade and i believe gtm makes higher stall tq converters and a lot of other things http://www.gtmotorsports.com/home.php?cat=262
Old 07-28-2009, 10:46 AM
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Coach@UPR
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https://my350z.com/forum/7595039-post25.html
or
https://my350z.com/forum/7595201-post1.html

Last edited by Coach@UPR; 07-28-2009 at 11:19 AM.
Old 07-28-2009, 11:16 AM
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reserved
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Originally Posted by gone-zo
At the risk of getting flamed; I have seen valve body upgrades from stillen and Z1 motorsports where you send in part of your engine and they rehaul your tranny. You're supposed to get crisper shifts after all is done.

... and do a search as well to find more support, I'm sure I read a thread where this was discussed.
I have the Stillen upgrade. Really worthwhile IMO.
Old 07-28-2009, 11:23 AM
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skarakis007
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how much
Old 07-28-2009, 11:41 AM
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Coach@UPR
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Originally Posted by skarakis007
how much
Is this directed to me???
Old 07-28-2009, 12:16 PM
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skarakis007
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Yes sir
Old 07-28-2009, 12:19 PM
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Coach@UPR
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The 2 links I posted above(#5) have the info in them....PM me if you have any other questions.
Old 07-28-2009, 12:23 PM
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superchargedg
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Do not waist your money on the stillen vb.
Old 07-29-2009, 05:28 AM
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gone-zo
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Went to do more research and with the help of Z1motorsports and people in the G35 forum:

There is a Trans Go shift kit for auto 350z's that you can purchase and have installed.

It's also supposed to make crisper shifts and claims to be more durable than the OEM counterpart.

All the reviews are positive (from the people who've actually installed them).

From my perspective, I've noticed they've raved about the "feel" of shifting. You definitely feel the pull at higher speeds and shifting down as a decceleration method was made better because of the consequent "rougher" shifting.

It roughness of the shifts can be manipulated depending on the size holes drilled in the kit.

If you opt this way, the kit is running for about $270 and the majority have hit $500 to $600 with installation from a tranmission specialist.

Hope I helped
Old 07-29-2009, 01:49 PM
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SERto350Z
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Links for TransGo?
Old 07-29-2009, 05:41 PM
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HI_IM_JMZ
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swap it for a 6 spd manual
Old 07-29-2009, 07:28 PM
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Brucealmighty
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I have installed a few Transgo kits... they work great for the money. But plan on having a professional do the installation.
Old 07-30-2009, 05:07 PM
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And he /\ will be doing one for me here shortly i hope.

OP, i would say transgo kit plus there is alot of talk about switching the rear diff to a 6mt and then rebuilding the pumpkin with 3.9 final drive ring/pinion.

Doing this, from what ive heard, will make such a drastic improvement you wont believe how much faster your car picks up.

One guy even quoted something like "I got that chill you get when you FI guys first drove your car with the turbo on" or something like that. it sounds like an amazing upgrade, but be prepared to pay something around 2k + for everything including install.

Last edited by GeauxLadyZ; 07-30-2009 at 05:09 PM.
Old 07-31-2009, 09:28 AM
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rcdash
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A fully built transmission will be in the range of $3.5 - $5k installed, to include torque converter, valve body, and internal upgrades (clutch packs, bands, etc). A good transmission cooler should be part of the upgrade.

You can either modify your transmission or get another transmission already prebuilt and swap it in (refer to the for sale link posted above, which is a great deal) for less downtime.
Old 07-31-2009, 02:21 PM
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GeauxLadyZ
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Originally Posted by rcdash
A fully built transmission will be in the range of $3.5 - $5k installed, to include torque converter, valve body, and internal upgrades (clutch packs, bands, etc). A good transmission cooler should be part of the upgrade.

You can either modify your transmission or get another transmission already prebuilt and swap it in (refer to the for sale link posted above, which is a great deal) for less downtime.

you dont need a fully rebuilt trans. I would just do transgo, rebuilt pumpkin, and tranny cooler.
Old 07-31-2009, 02:44 PM
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superchargedg
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Originally Posted by GeauxLadyZ
you dont need a fully rebuilt trans. I would just do transgo, rebuilt pumpkin, and tranny cooler.
It all depends on what power level you are looking for and why in the hell would you need a rebuilt diff.
Old 08-05-2009, 01:11 PM
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GeauxLadyZ
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Originally Posted by superchargedg
It all depends on what power level you are looking for and why in the hell would you need a rebuilt diff.
Not the diff, the whole pumpkin. I said the PUMPKIN. replacing 3.2 gears with 3.9, or 4.08, or whatever. You have to replace the diff with a 6mt in order to change your gears to anything over 3.2 in an automatic... Hence, "rebuilding the pumpkin" (replacing the diff and changing the ring/pinion with desired final drive gears)

Are you mistaking diff with pumpkin??


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