Hello
I met a Canadian guy, I believe from Québec at the 2000 TEAE United in
Rockland Maine. He said he was fabricating Lower fan shrouds. I stayed in
touch, bought the device, had it installed on the Tiger and it works quite
nicely.
My engine is a rebuilt 260 with a comp cam, Edelbrock F4B, PerTronics, and
thatâ??s it. A mild upgrade but the lower fan shroud does help. For really
really hot days, Iâ??ve got a Kenlow pusher fan and with everything I have no
trouble
Sent from my iPhone
> On Jul 2, 2022, at 12:05 PM, tigers-request@autox.team.net wrote:
>
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> Today's Topics:
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> 1. Re: Evans Waterless Cooling (Owain Lloyd)
> 2. Re: Evans Waterless Cooling (LARRY PAULICK)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 2 Jul 2022 16:29:17 +0200
> From: Owain Lloyd <owain.lloyd@gmail.com>
> To: Buck Trippel <bucktrippel@verizon.net>
> Cc: "Dr. T. Y. McDowell" <tym2@comcast.net>, "Tiger's List"
> <tigers@autox.team.net>
> Subject: Re: [Tigers] Evans Waterless Cooling
> Message-ID:
> <CANE47iQLDVr=D_km8HR0ofZyQCG2soZ2fKYc2oBq9EpwUSgtoA@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Yep. I run in most cars with no problems but in the tiger with the 500hp
> motor I needed every bit of efficiency possible so had to switch off even
> back to water and antifreeze. It worked sort of ok with the dale radiator
> but then I switched to another brand radiator and it just couldn?t keep the
> temps down. Pretty sure it would be doable with an efficient and lower
> power motor if all the other cooling problems were taken care of.
>
> Il giorno sab 2 lug 2022 alle 16:05 Buck Trippel via Tigers <
> tigers@autox.team.net> ha scritto:
>
>> In August of the hot summer of 2019 (aren?t they all hot now?) I put Evans
>> in a Tiger which has an excellent two row aluminum radiator in front of a
>> rather stock 289. My wife and I put the Tiger through an almost 5-thousand
>> mile road test by driving from Los Angeles to La Crosse via I80/I90 to
>> attend the TEAE United and then Route 66 on the way home. Temperatures were
>> frequently at 100 degrees. So it got quite a test.
>>
>>
>>
>> The Evans did not boil but with hot outside air temperatures its inferior
>> specific heat (to water) could not remove adequately remove the engine
>> heat.
>>
>>
>>
>> The carb got so hot the fuel percolated (boiled) inside the bowls and the
>> engine stalled lean. This weakness was exacerbated at altitudes above
>> 4-thousand feet. In Pueblo, with OATs near 100 I ended up on the same AAA
>> tow truck twice on the same day. I then gave up and reluctantly drained
>> maybe half of the the costly coolant out, replacing it with plain water so
>> I could get home. However the percolation reoccurred crossing the Mojave in
>> the 115 degree August temps. At home I replaced the Evans with water,
>> adding Water Wetter for corrosion protection.
>>
>>
>>
>> I don?t have the numbers off the top of my head but the specific heat (or
>> ability to transfer heat) of water is 1.00 while Evans is something like
>> .65 or only 2/3 that of water. For me, Evans just did not do the job. From
>> my experience I?d say one would have to be exceptionally brave to use it,
>> especially with a stock radiator system or with a more powerful engine
>> which will place even more demand on the Tiger?s weak cooling system. (BTW
>> in the Tiger we drove on that trip, we had removed the stock block under
>> the carb that hot radiator fluid passes through which probably have made
>> even more of a problem.)
>>
>>
>>
>> Buck Trippel
>>
>> Ps I wrote up some of this years ago and I believe it contained a more
>> detailed account of Evans heating issues on the trip ? I think it was
>> published in both the TEAE and CAT newletters.
>>
>>
>>
>>
>>
>> *From:* Tigers <tigers-bounces@autox.team.net> *On Behalf Of *Dr. T. Y.
>> McDowell
>> *Sent:* Saturday, July 2, 2022 5:06 AM
>> *To:* Tiger's List <tigers@autox.team.net>
>> *Subject:* [Tigers] Evans Waterless Cooling
>>
>>
>>
>> Is anyone out there in Tigerland using Evans Waterless Coolant?
>>
>> It has a boiling point of 375 (F). I'd like to hear from anyone who's
>> using it as I'm considering it.
>>
>>
>>
>> Thanks in advance,
>>
>>
>>
>> Tym McDowell
>> _______________________________________________
>>
>> tigers@autox.team.net
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/tigers
>> http://autox.team.net/archive
>>
>> Unsubscribe:
>> http://autox.team.net/mailman/options/tigers/owain.lloyd@gmail.com
>>
>>
>>
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> ------------------------------
>
> Message: 2
> Date: Sat, 2 Jul 2022 11:35:56 -0400
> From: LARRY PAULICK <lpaulick1@verizon.net>
> To: owain.lloyd@gmail.com
> Cc: Buck Trippel <bucktrippel@verizon.net>, "tigers@autox.team.net"
> <tigers@autox.team.net>
> Subject: Re: [Tigers] Evans Waterless Cooling
> Message-ID: <8EE82D37-2D80-4774-8AAA-C9B6AF6C080E@verizon.net>
> Content-Type: text/plain; charset="utf-8"
>
> Another issue is aluminum versus brass radiators. Aluminum radiators are
> lighter but brass transfers heat more efficiently.
>
>
> When I redid my tiger, I used a three row versus a stock two row brass
> retaining the top, bottom, and sides so that the fit was not affected.
>
> Also if you're replacing or having overheating problems, a closed impeller
> type water pump is much more efficient. Some aftermarket companies sell them
> already set up this way, but you can buy just the impeller plate from Summit
> for a very low price and install it yourself. Pumping efficiency is greatly
> improved.
>
> TEAE
> did a study many years ago on all aspects of cooling. This excellent
> engineering study is still applicable today and well worth reading,
> dispelling a lot of myths.
>
>
> Another design problem with the tiger is that there is no lower portion of
> the fan shroud. As a result, hot air is removed from the radiator then goes
> down to the ground and circles back through the front of the radiator, at
> rest.
>
>
> I know this for a fact since I did smoke test and watched the air
> recirculating.
>
> I fabricated a lower fan shroud from sheet metal, and made a low cost plastic
> air dam that comes down about 4 inches, to help
> the flow of air through the radiator and continue towards the rear of the car
> while in motion.
>
> Bottom line it all works and I don't overheat.
>
> I have to laugh at the commentos who keeps saying that the V8 takes up so
> much space that that's why they overheat. Just look at today's cars and how
> they fill the engine bay and it becomes apparent this is another myth.
>
>> On Jul 2, 2022, at 10:29 AM, Owain Lloyd <owain.lloyd@gmail.com> wrote:
>>
>> Yep. I run in most cars with no problems but in the tiger with the 500hp
>> motor I needed every bit of efficiency possible so had to switch off even
>> back to water and antifreeze. It worked sort of ok with the dale radiator
>> but then I switched to another brand radiator and it just couldn?t keep the
>> temps down. Pretty sure it would be doable with an efficient and lower
>> power motor if all the other cooling problems were taken care of.
>>
>> Il giorno sab 2 lug 2022 alle 16:05 Buck Trippel via Tigers
>> <tigers@autox.team.net <mailto:tigers@autox.team.net>> ha scritto:
>> In August of the hot summer of 2019 (aren?t they all hot now?) I put Evans
>> in a Tiger which has an excellent two row aluminum radiator in front of a
>> rather stock 289. My wife and I put the Tiger through an almost 5-thousand
>> mile road test by driving from Los Angeles to La Crosse via I80/I90 to
>> attend the TEAE United and then Route 66 on the way home. Temperatures were
>> frequently at 100 degrees. So it got quite a test.
>>
>>
>>
>> The Evans did not boil but with hot outside air temperatures its inferior
>> specific heat (to water) could not remove adequately remove the engine heat.
>>
>>
>>
>> The carb got so hot the fuel percolated (boiled) inside the bowls and the
>> engine stalled lean. This weakness was exacerbated at altitudes above
>> 4-thousand feet. In Pueblo, with OATs near 100 I ended up on the same AAA
>> tow truck twice on the same day. I then gave up and reluctantly drained
>> maybe half of the the costly coolant out, replacing it with plain water so I
>> could get home. However the percolation reoccurred crossing the Mojave in
>> the 115 degree August temps. At home I replaced the Evans with water, adding
>> Water Wetter for corrosion protection.
>>
>>
>>
>> I don?t have the numbers off the top of my head but the specific heat (or
>> ability to transfer heat) of water is 1.00 while Evans is something like .65
>> or only 2/3 that of water. For me, Evans just did not do the job. From my
>> experience I?d say one would have to be exceptionally brave to use it,
>> especially with a stock radiator system or with a more powerful engine which
>> will place even more demand on the Tiger?s weak cooling system. (BTW in the
>> Tiger we drove on that trip, we had removed the stock block under the carb
>> that hot radiator fluid passes through which probably have made even more of
>> a problem.)
>>
>>
>>
>> Buck Trippel
>>
>> Ps I wrote up some of this years ago and I believe it contained a more
>> detailed account of Evans heating issues on the trip ? I think it was
>> published in both the TEAE and CAT newletters.
>>
>>
>>
>>
>>
>> From: Tigers <tigers-bounces@autox.team.net
>> <mailto:tigers-bounces@autox.team.net>> On Behalf Of Dr. T. Y. McDowell
>> Sent: Saturday, July 2, 2022 5:06 AM
>> To: Tiger's List <tigers@autox.team.net <mailto:tigers@autox.team.net>>
>> Subject: [Tigers] Evans Waterless Cooling
>>
>>
>>
>> Is anyone out there in Tigerland using Evans Waterless Coolant?
>>
>> It has a boiling point of 375 (F). I'd like to hear from anyone who's using
>> it as I'm considering it.
>>
>>
>>
>> Thanks in advance,
>>
>>
>>
>> Tym McDowell
>>
>> _______________________________________________
>>
>> tigers@autox.team.net <mailto:tigers@autox.team.net>
>>
>> Donate: http://www.team.net/donate.html <http://www.team.net/donate.html>
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>> <http://autox.team.net/mailman/options/tigers/owain.lloyd@gmail.com>
>>
>>
>> _______________________________________________
>>
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