Subject: Re: [TR] TR3 Cooling

From: TERRY SMITH <[email-masked]>
Date: Fri, 26 Jul 2019 18:05:14 -0400 (EDT)

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One last question on this.  I went to a NH Fisher Cats baseball game last night.  Thinking the car would cool enough through the game, I switched off the manual override switch on the electric fan.  I came back after the 7th inning, and the car was starved for gas.  Everytime I use the fan, car starts right up.  So how long after shutdown might a "vapor lock" or that other thing Randall told me about but which I promptly forgot because, hey, it was complicated, affect  fuel delivery?????

Of course I had my daughter's new mother-in-law in the car for a ride, who has a 25 year unused mid-engine Porsche sitting in her garage, so embarrassment was max. 

Thoughts?

Oh, and I found on driving with the fan in the "on" switch left my battery dead.  So learned to only turn it on after shutdown to cool the engine bay, since engine drive temp is perfect. 

Anyway, problem is solved with the electric fan, but how long can this "lock" thing persist before re-start?  Overnight, it always starts fine!

Terry Smith, '59 TR3  TS 58667

New Hampshire

> On July 24, 2019 at 9:38 PM TERRY SMITH <[email-masked]> wrote:
> 
> 
>     First, thank you Randall.  I'd been experiencing a proper temperature during driving, but upon shut down, the float bowls overheated and made restart chancy until the float bowls cleared.  I installed a Spal Fan with a temp switch (with a manual override) not spliced to the key, but to the battery.  Drove on an errand, and my worry that the fan woul impede airflow through the radiator was unrealized.  Car ran at 180 perfectly.  But imagine my surprise coming out of Wally World with a new gallon of Prestone coolant concentrate, then heard this roaring sound coming from the car next to mine.  Nope.  It was from MY car.  The engine bay on shut down had overheated and the temp switch had kicked in like it was supposed to.  The fan was cooling the engine bay.  Car started right up.  Love it!
> 
> 
>     Randall suggested putting a T connector in the heater return hose, but I did change that to put it under the heater control valve.  See attached.  I worried the temp switch would crowd coolant flow to the heater, but test driving the heater showed not an issue, at least yet.  Good hot air coming out.  (I couldn't completely swap the fan for the heater (forgoing the heater control valve) because NH is spurious in its climate.  I'll need that heater come October.)  Note:  all connectors were 3/8ths NPT. 
> 
> 
>     So again, thank you all.  We're on pace for the hottest July on record.  An electric cooling fan is exceedingly timely. 
> 
> 
>     Car is completely sorted and running awesome.
> 
> 
>     Terry Smith, '59 TR3A
> 
>     New Hampshire
> 

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<!DOCTYPE html>
<html><head>
    <meta charset=3D"UTF-8">
</head><body><p style=3D"font-size: 12pt; font-family: helvetica,arial,sans=
-serif; color: rgb(51, 51, 51);">One last question on this.&#160; I went to=
 a NH Fisher Cats baseball game last night.&#160; Thinking the car would co=
ol enough through the game, I switched off the manual override switch on th=
e electric fan.&#160; I came back after the 7th inning, and the car was sta=
rved for gas.&#160; Everytime I use the fan, car starts right up.&#160; So =
how long after shutdown might a &#34;vapor lock&#34; or that other thing Ra=
ndall told me about but which I promptly forgot because, hey, it was compli=
cated, affect&#160; fuel delivery?????<br></p><p style=3D"font-size: 12pt; =
font-family: helvetica,arial,sans-serif; color: rgb(51, 51, 51);"><br></p><=
p style=3D"font-size: 12pt; font-family: helvetica,arial,sans-serif; color:=
 rgb(51, 51, 51);">Of course I had my daughter&#39;s new mother-in-law in t=
he car for a ride, who has a 25 year unused mid-engine Porsche sitting in h=
er garage, so embarrassment was max.&#160; <br></p><p style=3D"font-size: 1=
2pt; font-family: helvetica,arial,sans-serif; color: rgb(51, 51, 51);"><br>=
</p><p style=3D"font-size: 12pt; font-family: helvetica,arial,sans-serif; c=
olor: rgb(51, 51, 51);">Thoughts?<br></p><p style=3D"font-size: 12pt; font-=
family: helvetica,arial,sans-serif; color: rgb(51, 51, 51);"><br></p><p sty=
le=3D"font-size: 12pt; font-family: helvetica,arial,sans-serif; color: rgb(=
51, 51, 51);">Oh, and I found on driving with the fan in the &#34;on&#34; s=
witch left my battery dead.&#160; So learned to only turn it on after shutd=
own to cool the engine bay, since engine drive temp is perfect.&#160; <br><=
/p><p style=3D"font-size: 12pt; font-family: helvetica,arial,sans-serif; co=
lor: rgb(51, 51, 51);"><br></p><p style=3D"font-size: 12pt; font-family: he=
lvetica,arial,sans-serif; color: rgb(51, 51, 51);">Anyway, problem is solve=
d with the electric fan, but how long can this &#34;lock&#34; thing persist=
 before re-start?&#160; Overnight, it always starts fine!<br></p><p style=
=3D"font-size: 12pt; font-family: helvetica,arial,sans-serif; color: rgb(51=
, 51, 51);"><br></p><p style=3D"font-size: 12pt; font-family: helvetica,ari=
al,sans-serif; color: rgb(51, 51, 51);">Terry Smith, &#39;59 TR3&#160; TS 5=
8667<br></p><p style=3D"font-size: 12pt; font-family: helvetica,arial,sans-=
serif; color: rgb(51, 51, 51);">New Hampshire<br></p><blockquote type=3D"ci=
te">On July 24, 2019 at 9:38 PM TERRY SMITH &#60;[email-masked]&#62; w=
rote: <br> <br><p style=3D"font-size: 12pt; font-family: helvetica,arial,sa=
ns-serif; color: #333333;">First, thank you Randall.&#160; I&#39;d been exp=
eriencing a proper temperature during driving, but upon shut down, the floa=
t bowls overheated and made restart chancy until the float bowls cleared.&#=
160; I installed a Spal Fan with a temp switch (with a manual override) not=
 spliced to the key, but to the battery.&#160; Drove on an errand, and my w=
orry that the fan woul impede airflow through the radiator was unrealized.&=
#160; Car ran at 180 perfectly.&#160; But imagine my surprise coming out of=
 Wally World with a new gallon of Prestone coolant concentrate, then heard =
this roaring sound coming from the car next to mine.&#160; Nope.&#160; It w=
as from MY car.&#160; The engine bay on shut down had overheated and the te=
mp switch had kicked in like it was supposed to.&#160; The fan was cooling =
the engine bay.&#160; Car started right up.&#160; Love it!<br></p><p style=
=3D"font-size: 12pt; font-family: helvetica,arial,sans-serif; color: #33333=
3;"><br></p><p style=3D"font-size: 12pt; font-family: helvetica,arial,sans-=
serif; color: #333333;">Randall suggested putting a T connector in the heat=
er return hose, but I did change that to put it under the heater control va=
lve.&#160; See attached.&#160; I worried the temp switch would crowd coolan=
t flow to the heater, but test driving the heater showed not an issue, at l=
east yet.&#160; Good hot air coming out.&#160; (I couldn&#39;t completely s=
wap the fan for the heater (forgoing the heater control valve) because NH i=
s spurious in its climate.&#160; I&#39;ll need that heater come October.)&#=
160; Note:&#160; all connectors were 3/8ths NPT.&#160; <br></p><p style=3D"=
font-size: 12pt; font-family: helvetica,arial,sans-serif; color: #333333;">=
<br></p><p style=3D"font-size: 12pt; font-family: helvetica,arial,sans-seri=
f; color: #333333;">So again, thank you all.&#160; We&#39;re on pace for th=
e hottest July on record.&#160; An electric cooling fan is exceedingly time=
ly.&#160; <br></p><p style=3D"font-size: 12pt; font-family: helvetica,arial=
,sans-serif; color: #333333;"><br></p><p style=3D"font-size: 12pt; font-fam=
ily: helvetica,arial,sans-serif; color: #333333;">Car is completely sorted =
and running awesome.<br></p><p style=3D"font-size: 12pt; font-family: helve=
tica,arial,sans-serif; color: #333333;"><br></p><p style=3D"font-size: 12pt=
; font-family: helvetica,arial,sans-serif; color: #333333;">Terry Smith, &#=
39;59 TR3A<br></p><p style=3D"font-size: 12pt; font-family: helvetica,arial=
,sans-serif; color: #333333;">New Hampshire<br></p></blockquote><p style=3D=
"font-size: 12pt; font-family: helvetica,arial,sans-serif; color: #333333;"=
 class=3D"default-style"><br>&#160;</p></body></html>
=20
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