[DeTomaso] ZF gear ratio

[michael@michaelshortt.com]

Copied from panteraplace


Michael Shortt

> *The ZF Transaxle*
>
> *The Pantera uses a five speed ZF transaxle with a final drive ratio of
> 4.22.  The same type of ZF transaxle was used in the Ford GT40.  The ZF is
> very, very strong and is of limited-slip design.  An eleven inch clutch
> plate is used with a hydraulic master and salve cylinder for clutch linkage.
> *
>
> *The 1st gear ratio is 2.23, 2nd gear is 1.47, 3rd gear is 1.04, 4th gear
> is .846 and 5th gear is .705.  The gear ratios are very close between each
> gear and keeps the engine in its power band.  At 6000 RPM in 5th gear the
> speed would equal the advertised 159 MPH.  Wow!  7000 RPM would be 185 MPH.
> With just another 500 RPM it would be 202 MPH!      *
>
> *The tested (August 1971 Car and Driver) zero to sixty speed of the stock
> 1971 Pantera was 5.5 seconds with a 1/4 mile time of 14 seconds.   Many of
> the Panteras with a slightly modified engine will do 0 - 60 in under 5
> seconds and the 1/4 mile in under 13 seconds.  All of this straight-line
> performance and it can turn too! *
> On Thu, Aug 20, 2009 at 11:02 PM, boyd casey <boyd411 at gmail.com> wrote:
>
>> What is the standard gear ratio of the  ZF transaxle that came stock in a
>> 73
>> Pantera (as far as the equivalent of a differential) and is 5 th gear
>> considered an "over drive"
>>
>> Boyd
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-- 







Michael L. Shortt
Savannah, Georgia
www.michaelshortt.com
michael at michaelshortt.com
912-232-9390


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