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Anthony:
I realize you have a GT6, but it is behaving very much like my TR4 when I ha=
d a crack in a cylinder. It would hold pressure during a pressure test, and i=
t even held a vacuum, yet it would push water out and replace it with =E2=80=
=9Cair=E2=80=9D ( combustion gases) when running. Assuming your head is ok, t=
here could be a crack in a cylinder that the machine shop missed. Given the=
high pressures in the combustion chamber i would not think that that any so=
rt of =E2=80=9Cstop leak=E2=80=9D would work.
Let us know what you find out.
Phil=20
Sent from my iPhone
> On Sep 23, 2023, at 2:19 PM, Anthony Parker via Fot <fot@autox.team.net> w=
rote:
> =EF=BB=BF
> I'm having cooling problems.
> Need help being convinced that I have to do what I don't want to do.
>=20
> Brand new short block, same old head, water pump, and radiator.
>=20
> Over three trials, the engine will run fine and warm up with radiator hose=
s and radiator warming properly. Then the hoses and radiator will cool and c=
oolant temp will spike to 230+. Radiator cold with sky high coolant temps.
>=20
> Two more clues, hoses seem to pressurize very quickly and when I opened th=
e radiator cap this morning (after cooling all night) pressurized air and co=
olant shot everywhere.
>=20
> No thermostat and I have confirmed three times that system is completely f=
ull
>=20
> Seems I have combustion gases getting into coolant and then bubbles eventu=
ally removing pump prime.
>=20
> Don't know what else it could be.
>=20
> Given the apparent direction of the leak, is there any use in trying some "=
stop leak" product?
>=20
> Is it time to pull the head again to look for warping or gasket leak?
>=20
> I suppose it could be a cracked cylinder, but this block has been checked b=
y two different trusted engine machinists.
>=20
> Desperately trying to get to the RunOffs, Anthony.
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/vfracing@aol=
.com
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr">Anthony:<div>I realize you=
have a GT6, but it is behaving very much like my TR4 when I had a crack in a=
cylinder. It would hold pressure during a pressure test, and it even held a=
vacuum, yet it would push water out and replace it with =E2=80=9Cair=E2=80=9D=
( combustion gases) when running. Assuming your head is ok, there could be a=
crack in a cylinder that the machine shop missed. Given the high pres=
sures in the combustion chamber i would not think that that any sort of =E2=80=
=9Cstop leak=E2=80=9D would work.</div><div>Let us know what you find out.</=
div><div>Phil </div><div><br><div dir=3D"ltr">Sent from my iPhone</div>=
<div dir=3D"ltr"><br><blockquote type=3D"cite">On Sep 23, 2023, at 2:19 PM, A=
nthony Parker via Fot <fot@autox.team.net> wrote:<br><br></blockquote>=
</div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-1=
">
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; c=
olor: rgb(0, 0, 0);" class=3D"elementToProof">
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0">
<span style=3D"margin:0px" class=3D"ContentPasted0">I'm having cooling probl=
ems.</span></div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
Need help being convinced that I have to do what I don't want to do.</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
<br>
</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
Brand new short block, same old head, water pump, and radiator.<br>
<div dir=3D"ltr" style=3D"margin:0px"><br class=3D"ContentPasted0">
</div>
<div style=3D"margin:0px" class=3D"ContentPasted0">Over three trials, the en=
gine will run fine and warm up with radiator hoses and radiator warming prop=
erly. Then the hoses and radiator will cool and coolant temp will spike to 2=
30+. Radiator cold with sky high
coolant temps.</div>
<div dir=3D"ltr" style=3D"margin:0px"><br class=3D"ContentPasted0">
</div>
<div style=3D"margin:0px" class=3D"ContentPasted0">Two more clues, hoses see=
m to pressurize very quickly and when I opened the radiator cap this morning=
(after cooling all night) pressurized air and coolant shot everywhere.</div=
>
<div style=3D"margin:0px" class=3D"ContentPasted0"><br>
</div>
<div style=3D"margin:0px" class=3D"ContentPasted0"><span style=3D"display: i=
nline !important; background-color: rgb(255, 255, 255);" class=3D"ContentPas=
ted1">No thermostat and I have confirmed three times that system is complete=
ly full</span><br>
</div>
<div dir=3D"ltr" style=3D"margin:0px"><br class=3D"ContentPasted0">
</div>
<div style=3D"margin:0px" class=3D"ContentPasted0">Seems I have combustion g=
ases getting into coolant and then bubbles eventually removing pump prime.</=
div>
<div dir=3D"ltr" style=3D"margin:0px"><br class=3D"ContentPasted0">
</div>
Don't know what else it could be.</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
<br>
</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
Given the apparent direction of the leak, is there any use in trying some "s=
top leak" product?</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
<br>
</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
Is it time to pull the head again to look for warping or gasket leak?</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
<br>
</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
I suppose it could be a cracked cylinder, but this block has been checked by=
two different trusted engine machinists.</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
<br>
</div>
<div style=3D"font-size: 15px; font-family: "Segoe UI", "Sego=
e UI Web (West European)", "Segoe UI", -apple-system, BlinkMa=
cSystemFont, Roboto, "Helvetica Neue", sans-serif; margin: 0px; co=
lor: rgb(36, 36, 36); background-color: rgb(255, 255, 255);" class=3D"Conten=
tPasted0 elementToProof">
Desperately trying to get to the RunOffs, Anthony.</div>
</div>
<span>_______________________________________________</span><br><span>fot@au=
tox.team.net</span><br><span></span><br><span>http://www.fot-racing.com</spa=
n><br><span></span><br><span>Donate: http://www.team.net/donate.html</span><=
br><span>Archive: http://autox.team.net/archive http://www.team.net/pipermai=
l/fot</span><br><span>Unsubscribe/Manage: http://autox.team.net/mailman/opti=
ons/fot/vfracing@aol.com</span><br><span></span><br><span></span><br></div><=
/blockquote></div></div></body></html>=
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_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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