[DeTomaso] Fw: Overheating problems

[John Taphorn]

Will

This is a tough one to diagnose.

Is it possible that the gauge is misreading.  Perhaps the ground is 
compromised and when a shared ground accessory is turned on, it affects the 
reading.

After a fresh rebuild, I run a Gano filter.  I can generally tell when it 
collects debris as it compromises flow and I see slightly elevated temps. I 
use the filter because I previously partially clogged a radiator after I had 
been too generous with sealant on an engine rebuild and the loosened pieces 
collected there.  Were you too generous with the RTV when sealing your new 
water pump?  Perhaps some of the rad tubes are clogged

Are you certain both fans are operating? The fan noise may only be one

The differential in head temps is interesting.  That would lead one to 
believe that one side of the motor is running leaner than the other. 
However, I assume that you are running a 4 barrel carb verses FI or webers. 
I am pressed to think that one side would have impaired coolant flow over 
the other - a backward head gasket would have revealed itself in short 
order.

Perhaps others have more guidance.

Let us know what you learn.

JT


----- Original Message ----- 
From: "Will Demelo" <wdemelo at cogeco.ca>
To: <detomaso at realbig.com>
Sent: Sunday, August 24, 2008 7:41 PM
Subject: [DeTomaso] Fw: Overheating problems


>I don't believe I should have to.
> Will
> ----- Original Message ----- 
> From: <michaelsavga at gmail.com>
> To: "Will Demelo" <wdemelo at cogeco.ca>
> Sent: Sunday, August 24, 2008 8:39 PM
> Subject: Re: [DeTomaso] Overheating problems
>
>
>> Have you added water wetter product yet?
>> Sent from my BlackBerry® wireless handheld
>>
>> -----Original Message-----
>> From: "Will Demelo" <wdemelo at cogeco.ca>
>>
>> Date: Sun, 24 Aug 2008 19:54:49
>> To: <detomaso at realbig.com>
>> Subject: [DeTomaso] Overheating problems
>>
>>
>> I aquired my new car some time ago in the spring. i noticed that the temp
>> was getting on the high side and noticed that the coolant was low. Note:
>> the car had sat for 4 years. I noticed that the rad had a tiny leak and
>> the water pump was leaking ever so slightly from the front seal. So, I
>> replaced the pump with a weiand and recored the rad and installed twin
>> electric suckers and put in a new 180 stat. That should take care of it,
>> right? F#$K no.
>> I drove for a couple hundred miles with the temp guage never exceeding 
>> 195
>> deg.
>> Even during the Niagara rally, when  everyone else saw their temps rising
>> on the hot Saturday evening, my guage stayed at 190. On my ride home on
>> the hiway, cruising at a mere 2300 rpm, the guage started to cycle from
>> 180 to 200, then 180 to 210 and so forth until it nearly touched red.
>> It has been doing this ever since.
>> Notes:
>> It will stay at 180-190 at idle in the garage.
>> I've jacked the back up 3 times and it has run like that for more than 2
>> hours while I revved it up (pissing off the neighbours)
>> I can't get it to red in the garage, it'll only go to about 210
>> The pass head is hotter by 18 deg over the driver's side when temp taken
>> from the rear with IR gun.
>> The stat has been changed twice. It seems to be opening when it's suppose
>> to, but reaches temps it shouldn't.
>> Help.
>> Will
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