[DeTomaso] ZF polish question.
Asa Jay Laughton
asajay at asajay.com
Sat Sep 13 14:00:27 EDT 2014
I think Mike Drew had talked with Lloyd Butfoy of RBT Transmissions,
and he simply recommended cleaning it really good and coating it with
WD-40. Seems to me that would attract dirt though.
Asa
Asa Jay Laughton, MSgt, USAFR, Retired
& Shelley Marie
Spokane, WA
******************************
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On 9/13/2014 10:47 AM, Boyd Casey wrote:
So given that a polished aluminum surface is less efficient at
transferring heat then an unpolished surface ( even if the difference
is marginal) If one owns a Pantera and plans to use it for actual
driving or in fact does use it for more then car shows and trailer
queen status , what is the most effective way to make it "look good"
without polishing it. (what cleaning method or cleaning products are
the most effective?)
On Fri, Sep 12, 2014 at 10:09 PM, Asa Jay Laughton
<[4]asajay at asajay.com> wrote:
Here is the easiest way to think about it.
Have you seen a heatsink on a computer cpu?
Or on the diodes of an alternator?
Maybe on the back of your stereo?
How about one of those finned transmission pans?
The theory is the more surface area you have to dissipate heat, the
more
heat will dissipate. So think of your porous surface transmission
case
in the same way.
Polished, it is smooth as a baby's bottom and reduces the surface
area
to the smallest it can get.
But unpolished, it has lots of tiny craters, ridges and peaks that
increase the overall surface area that can dissipate heat.
Now, as Chuck and his Pantera Research Institute contributing source
point out, the difference in surface area is probably insignificant,
although measurable. If it's measurable, it's not a myth.
You have to ask yourself, how fast do you want to go and for how
long?
Asa Jay
Asa Jay Laughton, MSgt, USAFR, Retired
& Shelley Marie
Spokane, WA
******************************
[5]http://www.racingagainstautism.com
[6]http://www.teampanteraracing.com
[7]http://facebook.com/racingagainstautism
On 9/12/2014 6:43 PM, Charles Engles wrote:
> Dear Tony and Michael,
>
>
> I, too, have heard that a porous cast iron block or
alumunium
> manifold or transmission case will transfer more heat than a polished
one.
> This conversation prompted me to ask an expert in the field.
>
>
> He is says that it is absolutely true that there is less
heat
> transfer with a polished surface than an unfinished cast surface, BUT
the
> effect is insignificant. It is tangible, but at extremely small
levels.
>
>
> The take home lesson for lovers of bling is to polish
away!
> Remember what the ancient Greeks said, "All things in moderation
including
> engine bay bling."
>
>
> Scientifically yours, Chuck Engles
>
>
>
>
>
> -----Original Message-----
> From: DeTomaso [mailto:[8]detomaso-bounces at poca.com] On Behalf Of
Tony
> DiGiovanna
> Sent: Friday, September 12, 2014 7:15 PM
> To: [9]michael at michaelshortt.com; 'Boyd Casey'
> Cc: [10]detomaso at poca.com
> Subject: Re: [DeTomaso] ZF polish question.
>
> Running hotter sounds like an urban legend thing.
>
> -----Original Message-----
> From: DeTomaso [mailto:[11]detomaso-bounces at poca.com] On Behalf Of
> [12]michael at michaelshortt.com
> Sent: Thursday, September 11, 2014 8:31 PM
> To: Boyd Casey
> Cc: [13]detomaso at poca.com
> Subject: Re: [DeTomaso] ZF polish question.
>
> I have read that the polish process makes the ZF run hotter because
the
> pores of the cases are closed off, mine is simplimy super duper
cleaned by
> using Eagle One wheel cleaner that etches, not ordinary wheel
cleaner,
> followed by Aluminum jelly. If I were going to jazz it up, i love the
look
> of the black wrinkle finkle with the tops of the ribs in raw silver.
>
> Michael Shortt
>
> On Thu, Sep 11, 2014 at 8:21 PM, Boyd Casey <[14]boyd411 at gmail.com>
wrote:
>
>> I have my motor out of the car and the ZF separated from the
engine. Is
>> it possible to polish the ZF without doing harm to the trans axle
if
>> you polish it while it is still assembled? What other finish or
clean
>> up techniques can anyone recommend ?
>> Thanks,
>> Boyd
>>
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