Drivetrain Questions and info regarding transmissions, clutches, etc.

5AT Quaife install - I need 3.5 FD Gears

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Old Aug 19, 2007 | 12:44 AM
  #16  
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Unfortunately, there is no way to mate a diff designed for the 3.538 to the 3.357 ring.

Quaife is expensive, but I'd never call it overkill. They really should look into bringing back the helical gear diff as an option for OE. They had it on the S15 Silvia. Quaife was even OE in a Neon...

What most people tend to forget about the VLSD is that its a degradeable part and will need to be replaced at some point. On cars driven aggressively or with more power will have a shorter lifespan.

I do think as the aftermarket for this platform matures and more people swap to the 3.357 for the larger power applications, more manufacturers may opt to produce a diff that is compatible. Its unfortunate that Quaife is halting theirs.
 
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Old Aug 19, 2007 | 03:10 AM
  #17  
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Originally Posted by ISMSOLUTIONS
Mike - we're on the same page....I wasn't challenging anything..sorry if it seemed that way.

I agree completely with the way you do things - I do it that way to. I have mods that are from $5 to over $5000 on my car. If you looked at pics of my car, and know me and my car, you'd never know it unless I stepped on the gas too.

My car looks stock - but that's only the skin. The guts will blow most away, if they had the knowledge. I've considered many times getting a plate that refers to being a sleeper...that'll spoil the fun later though.

So, no issue here - just trying to be objective - my post was not at you Mike, just a generality of my opinion on the OP's desire.

Rick

Oh by the way - OP, if you go with the Quaife...you'll love it...I know I do
on same page... right on.
 
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Old Aug 19, 2007 | 03:22 AM
  #18  
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Originally Posted by helldorado
Unfortunately, there is no way to mate a diff designed for the 3.538 to the 3.357 ring.

Quaife is expensive, but I'd never call it overkill. They really should look into bringing back the helical gear diff as an option for OE. They had it on the S15 Silvia. Quaife was even OE in a Neon...

What most people tend to forget about the VLSD is that its a degradeable part and will need to be replaced at some point. On cars driven aggressively or with more power will have a shorter lifespan.

I do think as the aftermarket for this platform matures and more people swap to the 3.357 for the larger power applications, more manufacturers may opt to produce a diff that is compatible. Its unfortunate that Quaife is halting theirs.
you need to write a book my friend... Oh wait, you're one of the recourses I used - you ARE the book about this!!!!!

I never said thanks - I couldn’t be happier with my application! What is brilliant about your approach is you haven’t ever told anyone what to use - just what works and what doesn’t... LOVE it!

Too bad DaveO isn’t out here - he uses the same approach.

Thanks man - for the info you gave on differentials and ring & pinions... Fresh Alloy (I think) - I learned a bunch! My car (well really me) couldn’t be happier!
 
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Old Aug 19, 2007 | 10:35 AM
  #19  
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So, still no one willing to step up and sell their 3.5????
 
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Old Aug 19, 2007 | 10:55 AM
  #20  
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Originally Posted by sliderg35
So, still no one willing to step up and sell their 3.5????
You might want to go to the marketplace and put in a WTB thread for yourself...this isn't the place really. And if you look at the drivetrain portion - you'll probably find what your looking for.

Rick
 
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Old Aug 19, 2007 | 07:32 PM
  #21  
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I thought this section was the gateway to the "drivetrain" section so it would get more exposure, but I'll try anything... because this isn't working.

Good info though - thanks for the responses!
 
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Old Aug 19, 2007 | 07:46 PM
  #22  
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From: OC - So Cal
Originally Posted by sliderg35
I thought this section was the gateway to the "drivetrain" section so it would get more exposure, but I'll try anything... because this isn't working.

Good info though - thanks for the responses!
If you haven't already, you might want to try on my350Z.com too... there are 3.5s going to 3.9 and now 4.0 quite often - I almost bought a 3.5 there... I think you'll find more there than here.

Good luck - let us know how it all turns out!
 
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Old Aug 19, 2007 | 08:29 PM
  #23  
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Originally Posted by OCG35
you need to write a book my friend... Oh wait, you're one of the recourses I used - you ARE the book about this!!!!!

I never said thanks - I couldn’t be happier with my application! What is brilliant about your approach is you haven’t ever told anyone what to use - just what works and what doesn’t... LOVE it!

Too bad DaveO isn’t out here - he uses the same approach.

Thanks man - for the info you gave on differentials and ring & pinions... Fresh Alloy (I think) - I learned a bunch! My car (well really me) couldn’t be happier!
No problem man, that's what the forums are for!
 
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Old Aug 20, 2007 | 10:42 AM
  #24  
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Originally Posted by sliderg35
So, still no one willing to step up and sell their 3.5????

It's already been said, but to reiterate, you cannot put 3.5 gears into a 3.3 diff. You need to swap the whole pumpkin.
 
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Old Aug 20, 2007 | 10:48 AM
  #25  
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Originally Posted by dTor
It's already been said, but to reiterate, you cannot put 3.5 gears into a 3.3 diff. You need to swap the whole pumpkin.
The word from the company that makes the Quaife diff is that the gears will fit no-problemo. The 3.5 gear is 10mm thinner than the 3.3 and will allow the MT Quaife to fit. Removing the 3.3 for the 3.5 effectively turns the AT diff into the MT. The Quaife requires the open diff axels which I already have. All would be beautiful if I could just get the gears.

I have been looking in all the places people have suggested and I'm waiting for replies. Thanks for all the help.
 
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Old Aug 20, 2007 | 01:02 PM
  #26  
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Originally Posted by dTor
It's already been said, but to reiterate, you cannot put 3.5 gears into a 3.3 diff. You need to swap the whole pumpkin.
You can, but its not an easy swap and requires a complete rebuild. I resused the companion flange and pumpkin housing from my 3.357 / VLSD OE setup for my 3.917 / Quaife install.
 
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