[DeTomaso] Fwd: Re: ZF Ratios and Specs

Michael Shortt michaelsavga at gmail.com
Wed Nov 4 21:12:46 EST 2015


This is for the race car, we used 4.56 at Hutchinson Island and need more
top end for Sebring, 4.22 was chewed up so looking to replace it as well as
looking for a faster top speed option.
>
> Michael
>
> On Nov 4, 2015 6:59 PM, "Mike Drew" <MikeLDrew at aol.com> wrote:
>>
>> Michael,
>>
>> Although the spreadsheet on Panteraplace is very useful, it will take
any value and thus give you data for gears that don't exist. GIGO.
>>
>> Lloyd Butfoy's program allows you to select from the available ratios.
Generally, the stock R&P is 4.22; some GT-5S era cars could be had with an
optional 4.00, and 3.77 is the widely popular 'Le Mans' gear set.
>>
>> A new rear end set is about $2500. Some people have gone for both the
3.77 and super-overdrive 5th gear (.642 or .620) and the combination of the
two has been a failure in most cases. Fifth then becomes too tall to be
realistically useable below 90-100 mph or so.
>>
>> What are you hoping to achieve?  Most people would be best served with
the stock 4.22 and the taller 5th, I think.
>>
>> Mike
>>
>> Sent from my iPhone
>>
>> On Nov 4, 2015, at 14:35, Michael Shortt <michaelsavga at gmail.com> wrote:
>>
>> >   Does anybody have and will share the specs for different ratios
>> >   sppeds in each gear at X rpm, etc.
>> >   4:56
>> >   4:22
>> >   3.750
>> >   3.53
>> >   are there any others?
>> >   Thank you,
>> >   Michael
>> >   --
>> >   Michael L. Shortt
>> >   Savannah, Georgia
>> >   [1]www.michaelshortt.com
>> >   [2]michael at michaelshortt.com
>> >   912-232-9390
>> >   A
>> >   This email is protected by the Electronic Communications Privacy
>> >   Act, 18 U.S.C. Sec. 2510-2521, is confidential and may be legally
>> >   privileged.A  If you are not the intended recipient, you are hereby
>> >   notified
>> >   that any retention, dissemination, distribution or copying of this
>> >   communication is strictly prohibited.A  Please reply to the sender
that
>> >   you
>> >   have received this message in error, then delete it.A  Thank you
>> >
>> > References
>> >
>> >   1. http://www.michaelshortt.com/
>> >   2. mailto:michael at michaelshortt.com
>> > _______________________________________________
>> >
>> > Detomaso Forum Managed by POCA
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use the links above.
-------------- next part --------------
   This is for the race car, we used 4.56 at Hutchinson Island and need
   more top end for Sebring, 4.22 was chewed up so looking to replace it
   as well as looking for a faster top speed option.
   >
   > Michael
   >
   > On Nov 4, 2015 6:59 PM, "Mike Drew" <[1]MikeLDrew at aol.com> wrote:
   >>
   >> Michael,
   >>
   >> Although the spreadsheet on Panteraplace is very useful, it will
   take any value and thus give you data for gears that don't exist. GIGO.
   >>
   >> Lloyd Butfoy's program allows you to select from the available
   ratios. Generally, the stock R&P is 4.22; some GT-5S era cars could be
   had with an optional 4.00, and 3.77 is the widely popular 'Le Mans'
   gear set.
   >>
   >> A new rear end set is about $2500. Some people have gone for both
   the 3.77 and super-overdrive 5th gear (.642 or .620) and the
   combination of the two has been a failure in most cases. Fifth then
   becomes too tall to be realistically useable below 90-100 mph or so.
   >>
   >> What are you hoping to achieve?A  Most people would be best served
   with the stock 4.22 and the taller 5th, I think.
   >>
   >> Mike
   >>
   >> Sent from my iPhone
   >>
   >> On Nov 4, 2015, at 14:35, Michael Shortt <[2]michaelsavga at gmail.com>
   wrote:
   >>
   >> >A  A Does anybody have and will share the specs for different
   ratios
   >> >A  A sppeds in each gear at X rpm, etc.
   >> >A  A 4:56
   >> >A  A 4:22
   >> >A  A 3.750
   >> >A  A 3.53
   >> >A  A are there any others?
   >> >A  A Thank you,
   >> >A  A Michael
   >> >A  A --
   >> >A  A Michael L. Shortt
   >> >A  A Savannah, Georgia
   >> >A  A [1][3]www.michaelshortt.com
   >> >A  A [2][4]michael at michaelshortt.com
   >> >A  A 912-232-9390
   >> >A  A A
   >> >A  A This email is protected by the Electronic Communications
   Privacy
   >> >A  A Act, 18 U.S.C. Sec. 2510-2521, is confidential and may be
   legally
   >> >A  A privileged.AA  If you are not the intended recipient, you are
   hereby
   >> >A  A notified
   >> >A  A that any retention, dissemination, distribution or copying of
   this
   >> >A  A communication is strictly prohibited.AA  Please reply to the
   sender that
   >> >A  A you
   >> >A  A have received this message in error, then delete it.AA  Thank
   you
   >> >
   >> > References
   >> >
   >> >A  A 1. [5]http://www.michaelshortt.com/
   >> >A  A 2. mailto:[6]michael at michaelshortt.com
   >> > _______________________________________________
   >> >
   >> > Detomaso Forum Managed by POCA
   >> > Posted emails must not exceed 1.5 Megabytes
   >> > DeTomaso mailing list
   >> > [7]DeTomaso at poca.com
   >> > [8]http://poca.com/mailman/listinfo/detomaso_poca.com
   >> >
   >> > To manage your subscription (change email address, unsubscribe,
   etc.) use the links above.

References

   1. mailto:MikeLDrew at aol.com
   2. mailto:michaelsavga at gmail.com
   3. http://www.michaelshortt.com/
   4. mailto:michael at michaelshortt.com
   5. http://www.michaelshortt.com/
   6. mailto:michael at michaelshortt.com
   7. mailto:DeTomaso at poca.com
   8. http://poca.com/mailman/listinfo/detomaso_poca.com


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