S2000 Under The Hood S2000 Technical and Mechanical discussions.

Killed Diffential!

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Old 03-30-2008, 09:12 AM
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if you want puddydad parts you can also get them from hardtopguy
Old 03-30-2008, 11:00 AM
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Originally Posted by SpitfireS,Mar 30 2008, 09:04 AM
dwedge Posted on Mar 29 2008, 12:48 PM

After that: check your (intake) retainers too.
Run a search for "retainer" and you'll find a number of posts about them and what to look for.

And for track use IMO a SAE xxW-140 may be better for the diff, single grade SAE 140 if you can find it.
Amsoil now has a SAE 190, single grade syn.
Great stuff.

That's good to know for future track days.
Old 03-30-2008, 12:06 PM
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Originally Posted by dwedge,Mar 28 2008, 11:32 PM











I have killed my diff at a track day.

I'm planning to get a Comptech reinforced housing and a aftermarket final drive.

my cusco lsd seems to be ok..

Does comptech sell the whole housing with reinforced parts?

As you can see in the second photo, a piece broke off and I think i need to change the whole housing.

What are your opinions? I'm not planning to buy a second hand stock diff to replace as I will most likely break it again.
same thing in the same spot happened to me not too long ago

https://www.s2ki.com/forums/index.ph...pic=572419&hl=

I wanted the puddy diff but it was a lil out of my price range.


Get ahold of JT at xlevel

http://xlevelonline.com/?request=list_item...al_Comptech.jpg

Got my comptech diff and richmond 4.56 gears from him within a week.
Old 03-30-2008, 12:09 PM
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Puddy is the man! Lives just north of me and can take care of anything you want. JCarlton may be also able to help. But Puddy #1
Old 03-30-2008, 02:29 PM
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dang that sucks how did this happen
Old 03-31-2008, 02:40 AM
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Originally Posted by SpitfireS,Mar 30 2008, 06:04 AM
dwedge Posted on Mar 29 2008, 12:48 PM

After that: check your (intake) retainers too.
Run a search for "retainer" and you'll find a number of posts about them and what to look for.

And for track use IMO a SAE xxW-140 may be better for the diff, single grade SAE 140 if you can find it.
Amsoil now has a SAE 190, single grade syn.
Great stuff.

What can go wrong with the retainers??

My car starts fine and idels smooth with no CEL or anything.

... I'm confused and worried at this point..
Old 03-31-2008, 04:52 AM
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Originally Posted by veilside_s2k,Mar 30 2008, 12:06 PM
Get ahold of JT at xlevel

http://xlevelonline.com/?request=list_item...al_Comptech.jpg

Got my comptech diff and richmond 4.56 gears from him within a week.
$3700 for core charge??? what kind of BS is that?

buy from hardtopguy

you cant beat his customer support~!
Old 03-31-2008, 06:40 AM
  #18  
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dwedge Posted on Mar 31 2008, 12:40 PM
What can go wrong with the retainers??
They may fail after a mechanical overrev.
And that's what you did, going by your description: accelerating from 2nd to 3rd and (at redline?) shift to 2nd instead of 4th.
Major mechanical overrev.
It allready damaged your diff too

It's all explained here:
https://www.s2ki.com/forums/index.php?showt...0&#entry9032873
Its a long read but take your time and read it all.
After reading you'll understand that an engine may run normal until a retainer really fails and then > engine goes BOOM!


Good luck.
Old 03-31-2008, 11:27 AM
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Originally Posted by nrgizeman,Mar 31 2008, 04:52 AM
$3700 for core charge??? what kind of BS is that?

buy from hardtopguy

you cant beat his customer support~!
its a type-o. Its 370
Old 03-31-2008, 12:14 PM
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oh damn i didnt know about the retainers.. ive done the "shifting into 2nd" instead of 4th about 3 times.. everytime i do it my car jerks as if i slammed on my breaks and my tires screeech..


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