# Av Fab quick change diff set-up for s-chassi

**URL:** <https://forums.speedlife.net/t/av-fab-quick-change-diff-set-up-for-s-chassi/228436>\
**Category:** Classifieds\
**Created:** [January 28, 2013, 5:25pm UTC](https://forums.speedlife.net/t/av-fab-quick-change-diff-set-up-for-s-chassi/228436 "2013-01-28T17:25:44Z")\
**Posts on this page:** 7\
**Page:** 2

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**Author:** ![derass](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/derass/32/5691_2.png) [@derass](https://forums.speedlife.net/u/derass)\
**Post date:** [January 29, 2013, 10:20pm UTC](https://forums.speedlife.net/t/av-fab-quick-change-diff-set-up-for-s-chassi/228436/21 "2013-01-29T22:20:19Z")

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that might be due to his high hp level and dual caliper bracket. the added thickness of the bracket behind the hub causes the cv joints to be pulled apart and fail much easier. i have heard of spacers that go between the diff and cv shaft.

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**Author:** ![Pants](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/pants/32/5590_2.png) [@Pants](https://forums.speedlife.net/u/Pants)\
**Post date:** [January 31, 2013, 6:36pm UTC](https://forums.speedlife.net/t/av-fab-quick-change-diff-set-up-for-s-chassi/228436/22 "2013-01-31T18:36:05Z")

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> [@purestock240](#):
>
> just for the weight loss or reliability or? curious

you actually add weight with this setup. its a bullet proof setup. driving across the country to break parts suck. build it right and you actually save money. pluss the bonus of the ratio changes. a diff change takes us 25min usually. when you have only 2 hours of practice, and usually play with 2-3 ratios, the time saving will keep us on the track longer for more practice

think of it like this. one trip to florida is 5000kms there and back, if i break a diff or axle in my qualifing run, i drive all the way home wasting all that money for parts breaking, so that trip could have payed for the upgrade alone…

racing cost alot of money!

---------- Post added at 09:36 PM ---------- Previous post was at 09:34 PM ----------

> [@derass](#):
>
> that might be due to his high hp level and dual caliper bracket. the added thickness of the bracket behind the hub causes the cv joints to be pulled apart and fail much easier. i have heard of spacers that go between the diff and cv shaft.

i actually dont use a bolt on bracket, and we have developed a diff to axle spacer. testing went really well. we are currently developing another solution for the higher hp bros

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**Author:** ![sharpe\_corners](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sharpe_corners/32/5767_2.png) [@sharpe\_corners](https://forums.speedlife.net/u/sharpe_corners)\
**Post date:** [February 1, 2013, 4:56am UTC](https://forums.speedlife.net/t/av-fab-quick-change-diff-set-up-for-s-chassi/228436/23 "2013-02-01T04:56:53Z")

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Always wondered about these. Cool thing, sadly people wont pay 5000 for a nice car, let alone some axels and a subframe worth your asking price (or close to it) at least.

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**Author:** ![Beejis60](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/beejis60/32/5109_2.png) [@Beejis60](https://forums.speedlife.net/u/Beejis60)\
**Post date:** [February 1, 2013, 2:17pm UTC](https://forums.speedlife.net/t/av-fab-quick-change-diff-set-up-for-s-chassi/228436/24 "2013-02-01T14:17:12Z")

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This is a very similar diff to what Bill at Dentsport Garage runs. I don’t think his was quite this expensive, but his fabbing setup was a bit more involved, it looks like.

I’m laughing at the people talking shit about this though. I’m definitely jelly of the OP for having this.

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**Author:** ![rbs14](https://avatars.discourse-cdn.com/v4/letter/r/5f9b8f/32.png) [@rbs14](https://forums.speedlife.net/u/rbs14)\
**Post date:** [February 1, 2013, 11:01pm UTC](https://forums.speedlife.net/t/av-fab-quick-change-diff-set-up-for-s-chassi/228436/25 "2013-02-01T23:01:28Z")

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^ its the same one that dentsport runs on is laping s13 ! But there subframe is tube subframe ! This wont past tech in FD  
The one we are making for Briggs is Fd legal !

Pants pretty much said everything i had say

Here are more pics ! Its not the final product be it give a good idea of what the set-up looks like !

 ![http://i202.photobucket.com/albums/aa74/rbs14kouki/random%20cars/image-4.jpg](http://i202.photobucket.com/albums/aa74/rbs14kouki/random%20cars/image-4.jpg)  
 ![http://i202.photobucket.com/albums/aa74/rbs14kouki/random%20cars/image-5.jpg](http://i202.photobucket.com/albums/aa74/rbs14kouki/random%20cars/image-5.jpg)  
 ![http://i202.photobucket.com/albums/aa74/rbs14kouki/random%20cars/image-6.jpg](http://i202.photobucket.com/albums/aa74/rbs14kouki/random%20cars/image-6.jpg)  
 ![http://i202.photobucket.com/albums/aa74/rbs14kouki/random%20cars/image-8.jpg](http://i202.photobucket.com/albums/aa74/rbs14kouki/random%20cars/image-8.jpg)

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**Author:** ![aks13](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/aks13/32/6227_2.png) [@aks13](https://forums.speedlife.net/u/aks13)\
**Post date:** [February 2, 2013, 12:47am UTC](https://forums.speedlife.net/t/av-fab-quick-change-diff-set-up-for-s-chassi/228436/26 "2013-02-02T00:47:40Z")

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to hell with anyone talking down on it. id be all over it if i had the funding for that kind of car. glws boss

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**Author:** ![240racer](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/240racer/32/5682_2.png) [@240racer](https://forums.speedlife.net/u/240racer)\
**Post date:** [February 2, 2013, 7:33am UTC](https://forums.speedlife.net/t/av-fab-quick-change-diff-set-up-for-s-chassi/228436/27 "2013-02-02T07:33:15Z")

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Who was talking shit?

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