[DeTomaso] Transmission viewing hole cover
Sean Korb
spkorb at gmail.com
Sun Jun 10 11:01:33 EDT 2012
+1
The clutch assembly will have a lot of dead air except for immediately
at the assembly itself. Heat would cause the air in the bell housing
to expand slightly so a small vent would be sufficient to relieve that
pressure. Even with the access port fully sealed, there are a couple
of other small places for air to escape on my bell housing.
Maybe an enterprising vendor could build an adapter, hose and scoop to
attach to the access port? I don't think it would do much but it
could satisfy some concerns. Just not mine :)
sean
On Sun, Jun 10, 2012 at 10:39 AM, Tomas Gunnarsson <guson at home.se> wrote:
> Generally not much air will move through an opening unless the air has
> somewhere to go. In this case the bellhousing is pretty much sealed
> otherwise so I foresee little air movement.
>
> Tomas
> -----Original Message-----
> From: SG [mailto:sdlgibson at sbcglobal.net]
> Sent: den 10 juni 2012 16:16
> To: 'Tomas Gunnarsson'; 'List'; Charles Engles
> Subject: Re: [DeTomaso] Transmission viewing hole cover
>
>
> Is it possible that the spinning clutch assembly act as an
> "impeller" so to speak and draws in cooler air to aid in cooling? Some of
> the older units have 2 ports and maybe this acts as an intake and exhaust.
> Just some food for thought. Anyway, I'm keeping my cover on just to help
> keep dirt, grit, and other nasties from getting in while you drive every
> day.
>
> Shaun Gibson
>
> --- On Sun, 6/10/12, Charles Engles <cengles at cox.net> wrote:
>
>
> From: Charles Engles <cengles at cox.net>
> Subject: Re: [DeTomaso] Transmission viewing hole cover
> To: "'Tomas Gunnarsson'" <guson at home.se>, "'List'"
> <detomaso at realbig.com>
> Date: Sunday, June 10, 2012, 8:37 AM
>
>
> Dear Tomas,
>
>
> My very amateur evaluation and opinion of the cooling
> capacity of
> the bellhousing port is the same as yours: It *cannot* provide
> very much
> cooling! Oh, well.
>
>
> Warmest regards, Chuck Engles
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com] On
> Behalf Of Tomas Gunnarsson
> Sent: Sunday, June 10, 2012 8:17 AM
> To: 'List'
> Subject: Re: [DeTomaso] Transmission viewing hole cover
>
> I personally don't think that the open hole provides much cooling
> but if it
> does I don't think some small holes will be enough to preserve
> that cooling
> capacity.
>
> Tomas
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com]On Behalf Of The DeTomaso
> Registry Guy
> Sent: den 10 juni 2012 02:43
> To: 'Charles Engles'; 'Christopher Kimball'
> Cc: 'List'
> Subject: Re: [DeTomaso] Transmission viewing hole cover
>
>
> Just drill some small holes in the cover?
>
>
>
> Chuck
>
>
>
>
>
> _____
>
> From: Charles Engles [mailto:cengles at cox.net]
> Sent: Saturday, June 09, 2012 5:23 PM
> To: 'Christopher Kimball'; 'The DeTomaso Registry Guy'
> Cc: 'List'
> Subject: RE: [DeTomaso] Transmission viewing hole cover
>
>
>
> Dear Chris,
>
>
>
>
>
> If you do find such a screen, then please let
> me know.
> I would be interested.
>
>
>
>
>
> Warmest regards, Chuck Engles
>
>
>
> PS: the lovely color coordinated plastic covers have proven to be
> satisfactory for boy racer high performance!
>
>
>
>
>
>
>
> From: Christopher Kimball [mailto:chrisvkimball at msn.com]
> Sent: Saturday, June 09, 2012 5:44 PM
> To: Charles Engles; 'The DeTomaso Registry Guy'
> Cc: 'List'
> Subject: RE: [DeTomaso] Transmission viewing hole cover
>
>
>
> Wow, so as it always seems to be with Panteras, there are two
> answers to the
> question!
>
> Maybe I'll see if any vendors carry a screen for it since that
> would answer
> both questions at once...
>
> Thanks for the info,
>
> Chris
>
> Sent from my Windows Phone
>
> _____
>
> From: Charles Engles
> Sent: 6/9/2012 2:21 PM
> To: 'The DeTomaso Registry Guy'; 'Christopher Kimball'
> Cc: 'List'
> Subject: RE: [DeTomaso] Transmission viewing hole cover
>
> Dear Chuck,
>
>
>
> You wrote:
>
> 1) how important is it to have the hole covered,
> and
>
> "Yes to prevent some tool or debris from falling in.... and no(t)
> to allow
> heat to escape."
>
> Just before or during the Phoenix Rally, I was told that
> the
> bellhousing port was for ventilation to allow heat to escape.
>
>
>
> I guffawed at this bit of ZF trivia. At the rally, I
> checked with
> our POCA President and ZF expert, Les Gray. I was shocked that
> Les
> confirmed that the port was indeed for ventilation. I believe he
> said that
> serious racing European Panteras have screens that cover the port
> to..."prevent some tool or debris from falling in...." and to also
> allow
> heat to escape.
>
>
>
> I have had my two Panteras adorned with the tastefully
> color
> coordinated port covers for a total of 100,000 miles. There have
> been no
> known problems. The recent cross country escapade to Phoenix and
> back, over
> 2,334 miles, by the same two Panteras at healthy speeds for long
> distances,
> likewise, produced no sign of a problem.
>
> So, that is all that I know about ZF bellhousing port
> covers.
> Experience seems to show that no harm seems to be done in normal
> Pantera
> driving with the port covered, despite what the original ZF
> engineers
> thought.
>
> Warmest regards, Chuck Engles
>
>
>
>
>
>
>
>
>
>
>
> _____
>
> No virus found in this message.
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> 06/09/12
>
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--
Sean Korb spkorb at spkorb.org http://www.spkorb.org
'65,'68 Mustangs,'68 Cougar,'78 R100/7,'60 Metro,'59 A35,'71 Pantera #1382
"The more you drive, the less intelligent you get" --Miller
"Computers are useless. They can only give you answers." -P. Picasso
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