[DeTomaso] DICK RUZZIN 4TH GEAR-RE: Dash 1 ZF Question- Internal shift detents??? Mangusta
dickruzzindesign
dickruzzindesign at aol.com
Thu Aug 19 21:48:27 EDT 2010
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All the best,
DICK RUZZIN
_____________________________________________________________________
dickruzzinDESIGN at aol.com / Home: 313-824-0539 / Cell: 313-300-9558
Begin forwarded message:
From: "Guy Trigaux" <gt4-2860 at charter.net>
Subject: RE: [DeTomaso] Dash 1 ZF Question- Internal shift detents??? Mangusta
Date: August 19, 2010 7:39:35 PM EDT
To: 'dickruzzindesign' <dickruzzindesign at aol.com>
Dick ,
Yes , the 4th / 5th rail ( which is a kind of shaft ) has a detent -- In German : ‘ Riegel ‘ -- . On the Fig 21-7/2 of the parts manual of the 5 DS – 25 – 1 , this detent wears the number 640 .
I didn’t see the linkage and the position of the linkage of Steven’s Mangusta but I understand that the 4th gear is now self – shifting from NOT TOTALLY engaged to neutral because following the modifications of engine position and new trans ‘ horizontality ‘ ( ... ) , the length of the linkage should be adjusted . That should be done before the next use of the car , otherwise the synchro ring and the side of the 4th gear ( engaged by the synchro ring ) will have a hard ( short ! ) time .
Questions ? Feel free to mail or call .
All the best .
Guy .
From: dickruzzindesign [mailto:dickruzzindesign at aol.com]
Sent: August 19, 2010 5:38 PM
To: gt4-2860 at charter.net
Subject: Fwd: [DeTomaso] Dash 1 ZF Question- Internal shift detents??? Mangusta
--
All the best,
DICK RUZZIN
_____________________________________________________________________
dickruzzinDESIGN at aol.com / Home: 313-824-0539 / Cell: 313-300-9558
Begin forwarded message:
From:
steven.liebenow at att.net
Subject:
[DeTomaso] Dash 1 ZF Question- Internal shift detents??? Mangusta
Date:
August 19, 2010 5:22:26 PM EDT
To:
"mailing list detomaso" <detomaso at realbig.com>
For any of you with Dash 1 ZF knowledge....internal workings....
Do these early trans have shift rail detents on the 4-5 rail? (To assist with
holding the trans "in gear")
I can see in the ZF book where the DS-25/2 version (Dash 2) has detents on all
three rails and lockout detents as well.
For the DS-25 trans, no such detents are shown, except for the lockout detents
which prevent you from catching two gears at the same time....
During our first run in th e car to Laguna Seca, we discovered that the car no
longer likes 4th gear, under load or coasting. It NEVER complained
prior.....but what I did do that is different, is change my linkage angles (so
that the linkage is more "flat") by lowering the trunion a bit, and actually
hitting it with some lube! I also lowered the engine in the front, which would
have the result of raising the rear of the trans a bit...making the linkage even
"more flat" in the process.
There should be a detent mechanism under the shifter, but I will need to tear
into the car some more to see if it has been removed, or is physically
challenged for some reason presently.
Thanks!
Steve
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