[DeTomaso] coolant Temp senders, engine block

[Asa Jay Laughton]

Yes, I -did- see your post from the other day and if you read mine 
carefully you would have observed it came to the same conclusion:

TS6628

:)
Asa Jay
<it's in there now and will be tested tomorrow.>

Asa Jay Laughton, MSgt, USAFR, Retired
&  Shelley Marie
Spokane, WA
******************************
http://www.racingagainstautism.com
http://www.teampanteraracing.com
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On 5/18/2012 6:11 PM, MikeLDrew at aol.com wrote:
> In a message dated 5/18/12 16 12 36, asajay at asajay.com writes:
>
>
>> Off to the store we go.
>>
>>
> Not so fast!   Did you not see my post from the other day?
>
> The OEM Pantera temp senders have their own part numbers which crossed over
> to different part numbers from the ones Bill had come up with.   He had
> just used random Torino etc. senders.
>
> Let me look for that post....
>
> ==========
>
> Hi guys,
>
> Last year, we installed a 260-degree Veglia water temp gauge in Lori's '71
> Pantera, which had the stock 230 gauge removed and was fitted with a
> mechanical gauge that, while apparently accurate, was very crude and had no
> illumination.
>
> Seeking Wisdom and Knowledge, I turned to Bill Taylor's article on
> Panteraplace.com to learn about the issue.
>
> http://www.panteraplace.com/page205.htm
>
> Based on that article, I procured a WT324.
>
> What a disaster.
>
> The gauge read WAY too high throughout the range, as verified by a heat gun
> on the radiator.   As the car is a '71 there is no resistor in the wire.
> Rich Boschert set to it, and with the available resistors from Radio Shack,
> eventually got it so that it now reads too low.   I would have liked it if
> we could have gotten closer to the mark, but we eventually gave up for lack
> of time; at least now the gauge moves and indicates *something*.   I would
> like to address it again at some point in the future though.
>
> Wolfgang Geisler in Germany just bought a wonderful red '73 Pantera out of
> Palm Springs, and has had it for a week.   On his car, as soon as you turn
> the key on, the water temp gauge is registering, and it maxxes out at 260+ as
> soon as the car is warmed up, although the car is not nearly that hot.
> Clearly he has some sort of issue, probably with a bad sender.
>
> Rather than shooting in the dark, I decided to help him the old-fashioned
> way--I read the book.   The Ford parts book, specifically.   It lists two
> part numbers for the temp senders.   One for the '71 cars (where it says the
> sender is mounted in the block?) and the other for the '72-'74 cars.
>
> Armed with those numbers I marched down to NAPA auto parts, and they
> crossed them over to the following Echlin/NAPA parts:
>
> '71:   TS7245
> '72-'74:   TS6628
>
> And for further reference, the WT324 crosses over to TS6153.
>
> I was able to get tech data for each sender.
>
> TS7245:
>
> 100 degrees F, 156 ohms +/- 10%
> 220 degrees F, 21.4 ohms +/- 5%
> 250 degrees F, 17.7 ohms
>
> TS6628:
>
> 220 degrees F:   22.7-27.5 ohms (that's all they listed)
>
> TS6153 (WT324):
>
> 100 degrees F, 125 ohms +/- 15%
> 220 degrees, 17.12 ohms +/- 7%
>
> Based solely on the part number recommendation, and without reference to
> Bill's testing, I got Wolfgang the TS6628.   Since it only costs $10, I figure
> we can start off with that and see how it goes, then either trim it with
> additional resistors, or get a different sender if it's still way off.
>
> Just FWIW...
>
> Mike
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