[DeTomaso] QZF Ratios - was Rare De Tomaso Parts?

[Tomas Gunnarsson]

QZF 5th is about 7% taller than a -2 ZF with 4.22 but gears 1-4 are within a couple of % from the corresponding gear in a -2 ZF.

Tomas
----- Original Message ----- 
From: "Mike Thomas" <mbefthomas at comcast.net>
To: "'Julian Kift'" <julian_kift at hotmail.com>; <jderyke at aol.com>; "'De Tomaso List'" <detomaso at realbig.com>
Sent: Wednesday, December 31, 2008 3:35 PM
Subject: Re: [DeTomaso] QZF Ratios - was Rare De Tomaso Parts?


>I notice the QZF has a 3.75 final drive ratio: doesn't the Pantera use a
> 4.22?  I'd think that with the .742 fifth would make for some lower cruising
> RPM's, but how do the first/second and final ratios compare for off-the-line
> pull?
> 
> Mike Thomas 
> 
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
> Behalf Of Julian Kift
> Sent: Tuesday, December 30, 2008 2:39 PM
> To: jderyke at aol.com; De Tomaso List
> Subject: Re: [DeTomaso] Rare De Tomaso Parts?
> 
> 
> Chris Melia in the UK is the guy behind this (driven by lack of ZF
> availability for GT40's) he has formed GT Transmissions Ltd. Here's a link
> to Quaife's web page;
> 
> http://www.quaife.co.uk/Quaife-Q-Tek-Z-5-Speed-H-Pattern-Transaxle
> 
> According to Chris the current ZFQ is rated to 600HP and 550 ft/lbs torque.
> A number are racing in relpica GT40's as test mules. The new dog engagement
> version will be rated for higher HP/torque but will carry additional cost.
> 
> Julian
> 
> 
> 
> From: JDeRyke at aol.comDate: Tue, 30 Dec 2008 17:15:14 -0500Subject: Re:
> [DeTomaso] Rare De Tomaso Parts?To: julian_kift at hotmail.com;
> detomaso at realbig.comIn a message dated 12/30/08 9:49:35 AM,
> julian_kift at hotmail.com writes:
> As an aside GT Transmissions/Quaife have also just announced that dog
> engagement and straight cut gear versions will be available in 2009 for
> track/competition use. That makes a sequential change option a viability.
> Maybe we'll see some ZFQ's in Pantera's before too long.Wonder if Quaife
> also inclues their Torsen-type LSD in the ZFQs? Better than the clutch-type
> LSD in ZFs and low friction so it doesn't heat the lube= less need for diff
> coolers. Curious- J Deryke**************One site keeps you connected to all
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