I would be interested in a lower fan shroud, if anybody is fabricating them.
I am using a stock radiator with a 5 bolt 289.
-Allan Ballard
Atlanta
> On Jul 2, 2022, at 2:14 PM, JAMES ARMSTRONG via Tigers
> <tigers@autox.team.net> wrote:
>
> 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:
>>
>> 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>
>>> Archive: http://www.team.net/pipermail/tigers
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>>> <http://autox.team.net/mailman/options/tigers/owain.lloyd@gmail.com>
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>>>
>>> _______________________________________________
>>>
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>> End of Tigers Digest, Vol 15, Issue 218
>> ***************************************
>
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