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Sound Performance Differential Brace kit!!

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Old 05-19-2010, 02:25 AM
  #61  
The Fallen
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What a pain in the *** but SO worth it. I bought these from you guys after I initially ripped my diff out of the car(back bolt broke)..I put them in my tool box and then one day I was doing a 3rd gear burnout down the road to impress few friends(idiot decision) and hit a pot hole that could house a small family and my car jumped out of it and once again SNAPPED the rear bolt Fing everything up..I fixed it the next day..drove around for about 2 weeks and then decided to stop being a lazy *** and install them..as I was taking everything apart I noticed the THIRD diff cover stud completely bent about to brake. Now that these are installed theres no need to even install the rear cover bolt but I did anyways. Now ill never have to worry about ripping out my diff again.

Heres a pic of them installed. The only issue now is im finishing up my full 4" exhaust(if you look close you can see it stops right before the axle) and the left brace sort of gets in the way of it. Im going to be finishing up the exhaust next week as I cant deal with driving it like this anymore and hopefully im not going to run into any ground clearance issues. Luckily I run 28" tires at the track and im at stock suspension height so im hoping I dont drag the exhaust when launching the car.
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Old 11-25-2010, 12:31 AM
  #62  
The Fallen
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Update. I broke these things three times before cutting the steel tubes completely off both ends and using a thicker guage steel tube. The ones you guys used are paper thin which is why they kept breaking.The weld was fine by the actual metal would rip in half. And there was 0 tension on these things esp after the second time I welded them. Since ive modded these they havent broken at all and have been put to serious abuse.
Old 11-25-2010, 06:26 AM
  #63  
Quamen
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Originally Posted by The Fallen
Update. I broke these things three times before cutting the steel tubes completely off both ends and using a thicker guage steel tube. The ones you guys used are paper thin which is why they kept breaking.The weld was fine by the actual metal would rip in half. And there was 0 tension on these things esp after the second time I welded them. Since ive modded these they havent broken at all and have been put to serious abuse.
That sucks. I guess I will just move forward with making my own like planned originally since I am going to be in the same boat as you with launchs soon.
Old 11-25-2010, 12:51 PM
  #64  
ChuckW
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I give up. The awful SP website doesn't display the part. Where were these available for purchase?? Can someone post a link?
Old 03-23-2011, 03:12 PM
  #65  
Reid@SP
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Updated our website with the SP Diff Brace:

http://www.spracingonline.com/store/...ial_Brace/3713


Reid
Old 03-23-2011, 05:05 PM
  #66  
bbs350z
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you guys need to make a setup for nismo diff covers
Old 03-24-2011, 04:19 AM
  #67  
Barnabas
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Angle grinder and a couple minutes of work and this works perfect on a nismo cover
Old 03-28-2011, 11:26 AM
  #68  
2fasst
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Originally Posted by bbs350z
you guys need to make a setup for nismo diff covers
Agreed!

Originally Posted by Barnabas
Angle grinder and a couple minutes of work and this works perfect on a nismo cover
Shouldn't have to if I'm buying something new.
Old 09-13-2011, 04:02 PM
  #69  
SDGenius
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great looking piece
Old 09-14-2011, 09:20 AM
  #70  
SnyperZ
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Did you guys fix them?
Old 09-17-2011, 01:02 PM
  #71  
Andrei
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Very nice Very nice. I saw this on the Vlads sedan and was wondering when you all would sell it.
Old 06-28-2013, 03:10 PM
  #72  
Andrei
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Originally Posted by The Fallen
What a pain in the *** but SO worth it. I bought these from you guys after I initially ripped my diff out of the car(back bolt broke)..I put them in my tool box and then one day I was doing a 3rd gear burnout down the road to impress few friends(idiot decision) and hit a pot hole that could house a small family and my car jumped out of it and once again SNAPPED the rear bolt Fing everything up..I fixed it the next day..drove around for about 2 weeks and then decided to stop being a lazy *** and install them..as I was taking everything apart I noticed the THIRD diff cover stud completely bent about to brake. Now that these are installed theres no need to even install the rear cover bolt but I did anyways. Now ill never have to worry about ripping out my diff again.

Heres a pic of them installed. The only issue now is im finishing up my full 4" exhaust(if you look close you can see it stops right before the axle) and the left brace sort of gets in the way of it. Im going to be finishing up the exhaust next week as I cant deal with driving it like this anymore and hopefully im not going to run into any ground clearance issues. Luckily I run 28" tires at the track and im at stock suspension height so im hoping I dont drag the exhaust when launching the car.
You broke the diff stud how many times? hahahaha maybe you and me should junk our cars.
Originally Posted by The Fallen
Update. I broke these things three times before cutting the steel tubes completely off both ends and using a thicker guage steel tube. The ones you guys used are paper thin which is why they kept breaking.The weld was fine by the actual metal would rip in half. And there was 0 tension on these things esp after the second time I welded them. Since ive modded these they havent broken at all and have been put to serious abuse.
Not very good

Last edited by Andrei; 06-28-2013 at 03:15 PM.
Old 07-27-2021, 05:28 PM
  #73  
2004Black350z
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This company still in business?
Old 07-27-2021, 06:16 PM
  #74  
MicVelo
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Originally Posted by 2004Black350z
This company still in business?
http://www.spracingonline.com/SP-350...race_p_45.html

However, can't say for sure if the company is still around or if this is just an old, "holder" page. Looks like they do stuff for early Supras. That brace is the only Z part I saw.

The Bell Raceworks product looks like it's designed to do the same thing: https://www.z1motorsports.com/differ...e-p-13511.html

Last edited by MicVelo; 07-27-2021 at 06:17 PM.
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Old 07-28-2021, 02:01 PM
  #75  
DarkZ03
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Originally Posted by 2004Black350z
This company still in business?
They are local to me and as far as I know they are, but if you want a brace I'd say get the FDF fab piece also serves as a lockout and jack point. If you want more info on it ask Brian as he has it, I have the bell one and I personally don't like how it sits, and will probably end up with the FDF piece eventually.
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