[DeTomaso] Fw: Fw: Fw: Bad head gasket question ?

Tue Jul 24 12:43:01 EDT 2007

Mike Drew is right. The hot coolant is not getting to the cold rad. Check 
the stat.
Will
----- Original Message ----- 
From: "Will Demelo" <wdemelo at cogeco.ca>
To: <detomaso at realbig.com>
Sent: Tuesday, July 24, 2007 12:40 PM
Subject: [DeTomaso] Fw: Fw: Bad head gasket question ?


>A standard cap should hold the pressure if all is working well, which it
> isn't. For the cost of a new cap, I'd just replace it.
> Test the temp with a digital gun at the swirlt tank, not the motor.
> Have you bled the air out of the rad? There should be a bleed screw at the
> top pass side. Do you hear any noises coming from the cooling system under
> pressure? Is the swirl tank full after it's cooled down?
> Will
> ----- Original Message ----- 
> From: <Konrad.Szwab at AlconLabs.com>
> To: <wdemelo at cogeco.ca>; <detomaso at realbig.com>
> Sent: Tuesday, July 24, 2007 12:21 PM
> Subject: RE: [DeTomaso] Fw: Bad head gasket question ?
>
>
> I am going to get an infrared thermometer and start taking readings of
> the engine outside temp and the radiator.
>
> What PSI should the fill tank cap be ?
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
> On Behalf Of Will Demelo
> Sent: Tuesday, July 24, 2007 11:03 AM
> To: detomaso at realbig.com
> Subject: [DeTomaso] Fw: Bad head gasket question ?
>
> Your rad is not cooling the fluid enough. I think it's running too hot
> at
> 230f with a 160 stat. The rad should be extremely hot to the touch. At
> least
> 230 degrees if your gauge is reading 230.
> I would also check that swirl tank cap again. The pressure is is
> exceeding
> the cap rating and allowing steam? out. There shouldn't be air or steam
> in
> the system.
> Will
> ----- Original Message ----- 
> From: <Konrad.Szwab at AlconLabs.com>
> To: <Detomaso at realbig.com>
> Sent: Tuesday, July 24, 2007 11:48 AM
> Subject: Re: [DeTomaso] Bad head gasket question ?
>
>
>> Not a stupid question, it is the simple stuff that kills one.
>>
>> I am quite certain I did, was 3 years ago, but may check again.
>>
>> It was a 160 F one, I believe. By hat down, that is the part with the
>> spring down , I believe, I recall that it did not fit right one way,
> but
>> do not recall which way that was.
>>
>> -----Original Message-----
>> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com]
>> On Behalf Of charles buthala
>> Sent: Tuesday, July 24, 2007 10:36 AM
>> To: Detomaso at realbig.com
>> Subject: Re: [DeTomaso] Bad head gasket question ?
>>
>> This may be a stupid comment but did you use the right Thermostat and
>> install it so that the hat is down?
>>
>> Konrad.Szwab at AlconLabs.com wrote:
>> Hello,
>>
>> For the last few years I have been having an issue that I am hoping
> that
>> someone may help me with.
>>
>> I have a 73 Pantera L with stock radiator, no mods anywhere.
>>
>> When idling or slow driving all seem fine.
>>
>> Under medium to heavy acceleration, it starts to blow steam from the
>> excess water tank hose under car pass. side and whistles.
>>
>> I have checked:
>>
>> - engine temperature: 220 - 240 F, even replaced sender and installed
> an
>> electronic thermometer gauge.
>>
>> - water pump ok, new, also put transparent hose under car to see water
>> flow
>>
>> - new front fans, new wiring, both run properly blowing air through
>> radiator.
>>
>> - replaced thermostat
>>
>> - checked timing
>>
>> - checked radiator (original), cleaned. Funny that radiator is quite
>> cold, can touch it when boiling in the back
>>
>> - filled with coolant properly, car 20 deg nose down
>>
>> - checked filler tube near radiator for air pockets
>>
>> - replaced pressure cap on rear water fill tank
>>
>> - checked for cracked hoses, replaced most hoses.
>>
>> I am thinking to replace with the larger capacity radiator, but if the
>> original one is cold almost I do not think this is the issue....
>>
>> Help, please :(
>>
>> Thanks,
>>
>> Konrad Szwab
>> Alcon Manufacturing - Houston
>> Network Administrator
>> Tel: (713) 295-4329
>> Mobile: (832) 282 - 9921
>> mailto:Konrad.Szwab at alconlabs.com
>>
>>
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