ZFQ transaxle in a Ultima GTR

[schitzo]

Hi all. new guy here. I have been coming to this forum for a while now researching on an upcoming Ultima build. As with most mid engined car builds, the transaxle brings a lot of debate.

I am interested in the ZFQ for various reasons and was wondering if anyone here has used it on their Ultima. I have emailed Chris who is the go to guy for ZFQ questions and he mentioned there is guy in the UK using these on the ultima.

preliminary measurements indicate the transaxle is very similar to the porsche boxes. (at least the distance from the bellhousing end to the side flange)

Any info, thoughts, pics are welcome
Cheers Robert

[Gulf -LS2]

not heard a great deal but apparently the ratios are not suited to the Ultima (with big V8 power) and at the moment there are no ratio options.

[UltimaCH]

Long thread on this box here: http://www.gt40s.com/forum/vendor-manufacturer-ann...

[JoulesCanAm]

Gulf -LS2 said:

not heard a great deal but apparently the ratios are not suited to the Ultima (with big V8 power) and at the moment there are no ratio options.

That statement is somewhat lacking, a lot depends what you want to do; go fast or get there quick? After all the ZF was used in the GT40, Pantera and BMW M1 all running big V8 power. There are racing GT40 replicas running the new ZFQ, although I do believe available ratios are currently more limited than the original ZF. That said the demand for ZF/ZFQ transaxles has wained with current market conditions and an original ZF can be had for less than a built and modified G50. There's a good selection of gear and ring & pinion ratios available for the ZF, which I suspect will come on the ZFQ too as Quaife/GT Transmissions develops it out further. A dog engagement version ZFQ is due out this year I understand.

[CanAm Dave]

I spoke to Andy Burrows at Gardner Douglas last week. They had a ZFQ due to be on display at Stoneleigh, but as I told Kyle the ratios they have at the moment do not really suit the chevy. I was told that the new ratios that Quaife were looking at producing may not be happening due to internal clearance issues. I guess we will have to wait and see.

Regards Dave

[schitzo]

You are right, the gears are not ideal. However, Chris mentioned via email that they are working with quiafe for a ZFQ geared for the Ultima crowd. I really hope this comes into fruition because it would be a great choice. The fact that this box uses a regular bellhousing and regular flywheel clutch disc etc is really appealing to me.

[Gulf -LS2]

i thought the deal was dead with quaife??

[Chris Melia]

Hi Guys

I can confirm that Mike Quaife and I have ordered 10 ZFQ Ultima / Gardner Douglas units today this new version of the ZFQ will have the 3.5 crown wheel and pinion that you require.
We are working with Andy at Gardner Douglas to bring this package together.

Regards

Chris Melia
GT Transmissions.

[GTRCLIVE]

What the web address again Chris ??

[Chris Melia]

Hi Clive

use either internet explorer or firefox www.gttransmissions.co.uk
Google is having a problem finding it?
my email is [e-mail]

Regards

Chris.

[ezakimak]

if this fits is there any chance that ultima could supply?
i would prefer to get it all shiped in the one box - Melbourne Aust

[Steve_D]

ezakimak said:

if this fits is there any chance that ultima could supply?
i would prefer to get it all shiped in the one box - Melbourne Aust

Buy what you need and have it delivered to Ultima. It would be rather short sighted of them not to bung it in your crate.

Steve

[andygtt]

CanAm Dave said:

I spoke to Andy Burrows at Gardner Douglas last week. They had a ZFQ due to be on display at Stoneleigh, but as I told Kyle the ratios they have at the moment do not really suit the chevy. I was told that the new ratios that Quaife were looking at producing may not be happening due to internal clearance issues. I guess we will have to wait and see.

Regards Dave

I was told these boxs couldnt take more that 550ftlb with no real chance of them ever being beefed up to take more, is this consistent with what other have experienced or been told?

[Chris Melia]

Ezakimak

we can deliver to Ultima or you can contact
Paul Bottomley
Roaring Forties Pty Ltd
t ([phone]
as we will be shipping ZFQ's to him in Melbourne soon.

THE ZFQ has 40mm dia shafts with 85mm shaft centres and is fitted to the winning GT40 for the Castrol Tourist Trophy down in South Africa in 09. Achieving speeds on the East London track of over 180mph. The two straight cut dog M1 BMW versions of the ZFQ will be even stronger.
Superformance with ZFQ transaxle http://www.youtube.com/watch?v=Hcq-MV9yX_8

Peter Lindenburg wins Castrol Tourist Trophy race in Superformance GT 40 fitted with a ZFQ. http://www.newstoday.co.za/cgi-bin/newstoday/show....



Regards

Chris.

Edited by Chris Melia on Wednesday 13th May 19:50

[Chris Melia]

Hi guys

just to let you know that the special 3.5 crown wheel and pinions are now in production specifically for the Ultima and Gardner Douglas cars.

regards


Chris.

[GTRCLIVE]

Hi Chris glad to here it, but can you give me a Dim from the Centre line of the drive shafts to the front of the bell-housing... Cheers Bud...

[schitzo]

Chris, thank you for the email and for chiming in here.Any pics of the trans installed in an Ultima? Maybe by Gardner?

[Chris Melia]

Hi Clive
With the 4” (101.6mm) bell-housing, the total measurement from driveshaft centre to bell-housing/engine face is 243.6mm (9.591”).

Regards

chris

Pictures are a couple of months away.we have to build these new 3.5 transaxles first.

[GTRCLIVE]

Thanks Chris, that will be perfect.....

[Chris Melia]

Hi guys

With the development of the new Sperformance GT40R and LS7 powered cars, plus more requests coming in for all out race transaxles, we are pleased to announce a new optional process for the ZFQ called Superfinishing.
The explanation of Superfinishing is hear on Rem's web site. Benefits - Material : REM Surface Engineering
www.remchem.com/page3-34/Material

This process has many benefits and reduces the need for running in your transaxle, the cost is £300 per unit and must be requested with your order.

Regards

Chris

Edited by Chris Melia on Friday 29th May 21:44