1993 Quad4 GTZ: Project WTF

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DanteGTZ
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Re: 1993 Quad4 GTZ: Project WTF

Postby DanteGTZ » Thu Jul 07, 2016 5:19 pm

I swear that RA did not list an ACDelco unit for a 1993 a week ago when I looked... that's why I asked. ;)

On the same topic, does the ACDelco bearing come with the seal as well?


1993 Quasar Quad4 GTZ - Project WTF
1993 Garnet Quad4 GTZ - GTZed-Eh? - SOLD
1993 Aqua GT - 3.1 / 5 speed - 82k original miles - SOLD

Previous Berettas: 1990 GT and 1993 Quasar GTZ

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Re: 1993 Quad4 GTZ: Project WTF

Postby themixer » Fri Jul 08, 2016 9:24 am

yes it comes with seals and a new nut



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Re: 1993 Quad4 GTZ: Project WTF

Postby Cliff8928 » Sun Jul 10, 2016 12:39 am

It shouldn't come with a seal for the ACDelco. The last one I installed was an updated design which has a tech note to remove the seal and o-ring.


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Re: 1993 Quad4 GTZ: Project WTF

Postby DanteGTZ » Tue Jul 12, 2016 10:07 pm

Cliff8928 wrote:It shouldn't come with a seal for the ACDelco. The last one I installed was an updated design which has a tech note to remove the seal and o-ring.


Very good to know - I've seen some of the newer ACDelco listings and all show now o-ring or seal. Interesting.


1993 Quasar Quad4 GTZ - Project WTF
1993 Garnet Quad4 GTZ - GTZed-Eh? - SOLD
1993 Aqua GT - 3.1 / 5 speed - 82k original miles - SOLD

Previous Berettas: 1990 GT and 1993 Quasar GTZ

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Re: 1993 Quad4 GTZ: Project WTF

Postby DanteGTZ » Tue Jul 12, 2016 10:23 pm

Got my rear disc setup in the mail this evening. Hoping to install it sometime in the next few days. Can't wait to ditch the drums!


1993 Quasar Quad4 GTZ - Project WTF
1993 Garnet Quad4 GTZ - GTZed-Eh? - SOLD
1993 Aqua GT - 3.1 / 5 speed - 82k original miles - SOLD

Previous Berettas: 1990 GT and 1993 Quasar GTZ

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Re: 1993 Quad4 GTZ: Project WTF

Postby woody90gtz » Tue Jul 12, 2016 10:41 pm

Yup, drums suck!

Interested to see an updated bearing from Acdelco too...


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Re: 1993 Quad4 GTZ: Project WTF

Postby heavywoody » Wed Jul 13, 2016 8:01 am

Which setup for the rear disk did you switch to?


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Re: 1993 Quad4 GTZ: Project WTF

Postby DanteGTZ » Wed Jul 13, 2016 10:35 pm

heavywoody wrote:Which setup for the rear disk did you switch to?


The Neon rear disc setup. I've got a Z34 master cylinder just in case things don't feel right after the swap. With the Wilwoods in the front this should be a pretty sweet combo.


1993 Quasar Quad4 GTZ - Project WTF
1993 Garnet Quad4 GTZ - GTZed-Eh? - SOLD
1993 Aqua GT - 3.1 / 5 speed - 82k original miles - SOLD

Previous Berettas: 1990 GT and 1993 Quasar GTZ

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Re: 1993 Quad4 GTZ: Project WTF

Postby woody90gtz » Thu Jul 14, 2016 12:08 am

DanteGTZ wrote:The Neon rear disc setup. I've got a Z34 master cylinder just in case things don't feel right after the swap.

Even if it does "feel" right after the swap, you won't have dick for rear brake pressure. The rear disc master is really mandatory for proper function... It doubles the output psi out back.


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Re: 1993 Quad4 GTZ: Project WTF

Postby DanteGTZ » Thu Jul 14, 2016 10:07 pm

I guess I'm a bit hesitant because I don't want anything to affect my awesome front brake feel.


1993 Quasar Quad4 GTZ - Project WTF
1993 Garnet Quad4 GTZ - GTZed-Eh? - SOLD
1993 Aqua GT - 3.1 / 5 speed - 82k original miles - SOLD

Previous Berettas: 1990 GT and 1993 Quasar GTZ

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Re: 1993 Quad4 GTZ: Project WTF

Postby woody90gtz » Thu Jul 14, 2016 10:37 pm

It doesn't change pressure to the front. Only changes pressure to the rear. Mine measured 1400 front 500 rear stock, and 1400/950 after the swap


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Re: 1993 Quad4 GTZ: Project WTF

Postby DanteGTZ » Thu Jul 14, 2016 10:53 pm

Well then - I guess I'll have to swap to the Z34 master... that is if I get these pos rusted oem fittings apart...


1993 Quasar Quad4 GTZ - Project WTF
1993 Garnet Quad4 GTZ - GTZed-Eh? - SOLD
1993 Aqua GT - 3.1 / 5 speed - 82k original miles - SOLD

Previous Berettas: 1990 GT and 1993 Quasar GTZ

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Re: 1993 Quad4 GTZ: Project WTF

Postby Slinky » Fri Jul 15, 2016 9:13 am

I have my wilwood front brakes and rear disk swap on for 2+ years now and I agree with woody that you should do the master swap. At 50+ mph if I stomped on the brakes it would nose dive and slide due to hardly any back braking, without the master swap a rear disk swap really does not help much IMO.. I also had no abs which does not help either haha


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Re: 1993 Quad4 GTZ: Project WTF

Postby 3X00-Modified » Fri Jul 15, 2016 10:15 am

ABS and F-body FTW... hehehe... and I'll stick with the F-body until I know there is a better L-body specific bearing... then MAYBE I'll invest in Wilwood but I just can't justify that cost right now.



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Re: 1993 Quad4 GTZ: Project WTF

Postby DanteGTZ » Sat Jul 16, 2016 9:55 am

3X00-Modified wrote:ABS and F-body FTW... hehehe... and I'll stick with the F-body until I know there is a better L-body specific bearing... then MAYBE I'll invest in Wilwood but I just can't justify that cost right now.


John, you need something like this -- http://wilwood.com/BrakeKits/BrakeKitsP ... Brake+Rear

I *think* the hat may already be drilled for the 5x115 as well as 5x120. Then you can keep your precious N-body bearings. ;)

I'm just not sure about the rotor-to-disc fitment as you would be using a much larger rotor - I'm not sure if the N-body spindle holds the caliper abutment bracket at the same height as the F-body spindle. That'd be the only factor I can think of.


1993 Quasar Quad4 GTZ - Project WTF
1993 Garnet Quad4 GTZ - GTZed-Eh? - SOLD
1993 Aqua GT - 3.1 / 5 speed - 82k original miles - SOLD

Previous Berettas: 1990 GT and 1993 Quasar GTZ


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