Quaife Group Buy, Lets Get a List together of People Interested Options

[Major_Lee_Slow]

If you've been following the Third and Fourth Gen F-Body Differential R&D 2012 Thread then you know that I've been working with Quaife to make a differential for 3rd and Fourth Gen F-bodies. I think we've got enough info and we've checked other manufacturers as well and it sounds like Quaife is the only game in town for a Helical Diff.

Quaife's diff will have a 3:1 bias ratio using 37 helix angle. It will be backed by Quaife's lifetime warranty which even covers race usage. The estimated cost is $1050-$1100/unit. Once 10 people express interest, I'll get the final pricing. We'll need orders for 15 units for Quaife to start production. Lead time is 8-12 weeks.

The group buy will go through me and when it comes time to pay for the units payment will be made to MLS Motor Racing (my company) via paypal. In the interest of full disclosure I want everyone to know that I'm not making a dime on this deal and I'll be paying the exact same amount as everyone else. Please keep in mind that I'll be on the hook for this deal if people back out after the order is placed therefore please be sure that you can/will follow through if you commit cause my wife will kill me if I end up with $30,000 of diffs.

Per John's suggestion, I would like to collect payment at the time we place the order.

Group Buy Members:
1. Eric (me): Committed
2. Brian (Too Z Max)
3. John Crouse
4. Mike P
5. Jason Swindle
6. Tony P.
7. Mark (Conemark)
8. Phil (chevy053)

This post has been edited by Major_Lee_Slow: Mar 7 2012, 07:25 AM

[TOO Z MAXX]

Count me in. I hope this happens soon.

[Cr0usEEE]

Eric you know I am in!!!

To protect yourself maybe you should take payment once you hit the numbers??

[MikeP-99Z]

I'm in.

[Major_Lee_Slow]

We are up to 5!

[ninetres]

I'm interested, but don't always have $1k on deck at the drop of a hat. If the timing is right (in correlation to my quarterly bonuses) I'll jump on one.

[Major_Lee_Slow]

I'm interested, but don't always have $1k on deck at the drop of a hat. If the timing is right (in correlation to my quarterly bonuses) I'll jump on one.

I understand, so I won't include you in the count. Check out this thread at regular intervals to see where we are at with this and maybe you'll get lucky with the timing.

[Crazy Canuck]

only for stock rear-ends ?
or does it also apply for a 9" or 12-bolt application ?

[dailydriver]

only for stock rear-ends ?
or does it also apply for a 9" or 12-bolt application ?

They (Quaife) may already make one for the 9s (but not sure).

Wavetrac makes diffs for BOTH the 9s and 12 bolts though.

[Crazy Canuck]

how would this compare to a high-bias TrueTrac 31 Spline diff with Preload ?

[Major_Lee_Slow]

This group buy is for stock 3rd and 4th Gen F-bodies with 7.5 rear ends. I'm not sure if Quaife makes diffs for the 12bolt and 9 inch, I haven't checked into it.

I'm not sure of the TrueTrac's bias ratio (for some reason 2:1 comes to mind, but don't quote me), but during my search I found their warranty info which states that motorsports voids their warranty. Quaife's warranty on the other hand does apply to motor sports applications.

If someone would like to call Eaton and find out the bias ratio please post it up in our "Diff R&D" Thread

This post has been edited by Major_Lee_Slow: Feb 22 2012, 02:47 AM

[cozog]

It will be backed by Quaife's lifetime warranty which even covers race usage.

Not trying to poop on your parade, but the wty isn't promising a replacement if you race with it and it wears out. In their wty exclusions, Quaife says: "2. which is degraded, damaged or deteriorates due to fair wear and tear within parameters of high performance use; or"

So if it just "worn out", like the other helix diffs seem to do over time, will they still cover a full replacement? It doesn't sound like it. It sounds like they wty against catastrophic breakage/failure due to mfg defect, not normal racing use. Now if they promise to send me a new diff for ANY issue, that would be different...

[Major_Lee_Slow]

Yea they don't, nor would I expect any manufacturer to replace any part that wore out normally. But if the case fails they will replace it unlike other diff manufacturers.

[Unbalanced Engin...]

I guess, the real issue here is what they consider "normal wear and tear".... Wear to the case? Enough wear on the worm gears that the bias ratio is 2:1????

Thanks,
Jason S.

[MarkT]

Quaife does make one for the 9" according to their website.

[Major_Lee_Slow]

I guess, the real issue here is what they consider "normal wear and tear".... Wear to the case? Enough wear on the worm gears that the bias ratio is 2:1????

Thanks,
Jason S.

This is a very good point. I'll contact them tomorrow and get clarification

[Major_Lee_Slow]

We are up to 6!

[conemark]

Make that 7 (IMG:http://www.frrax.com/rrforum/style_emoticons/default/smile.gif)

[Major_Lee_Slow]

I guess, the real issue here is what they consider "normal wear and tear".... Wear to the case? Enough wear on the worm gears that the bias ratio is 2:1????

Thanks,
Jason S.

This is a very good point. I'll contact them tomorrow and get clarification

Just got off the phone with Quaife. There definition of "normal wear and tare" means that the gears have worn down to the point where they no longer work as designed. However they have never experienced this issue with any of their existing units. Typically their warranty claims are for catastrophic failure, which they do/will warranty (as long as you don't send the ring and pinion through the thing first).

[cozog]

Just got off the phone with Quaife. There definition of "normal wear and tare" means that the gears have worn down to the point where they no longer work as designed. However they have never experienced this issue with any of their existing units. Typically their warranty claims are for catastrophic failure, which they do/will warranty (as long as you don't send the ring and pinion through the thing first).

Anyone know why their diffs never wear out the helical gears like the Eaton/Auburn/Whatever? Better steel? Better overall design? Better gear tooth design?
$1k+ is a big chunk of change, but I'd go for it if I knew better why the Quaife is so "great", and not just more unfulfilled mfr promises.