[DeTomaso] need advice before I cry

Mon Nov 2 21:30:17 EST 2009

 Is there coolant in your oil?  The oil would look  brownish.
If not AFAIK you're not going to damage anything if you check or replace the thermostat and run the engine again.
But if ANY of the sensors start to read high (>220 F) again I would shut it down right away.

There must be a way to fill the cooling system effectively.  I can't imagine the factory (or dealers) spent 8 hrs on each car just doing that.

Jim Oddie

-----Original Message-----
From: Justin Greisberg <justingreisberg at hotmail.com>
To: mbefthomas at comcast.net
Cc: detomaso at realbig.com
Sent: Mon, Nov 2, 2009 6:03 pm
Subject: Re: [DeTomaso] need advice before I cry

reassuring to hear that.  hopefully will be same happy story for me.  i plan to 
remove thermostat first to see what is up.  hard to believe it just wouldn't 
open.  maybe there will be some debris blocking it, such as maybe an old sock 
that fell in while I wasn't looking, or that $60,000 I lost while putting the 
car together...  Who knows, maybe I'll find what is left of my youth, although 
that would be too small to block anything.  

> From: mbefthomas at comcast.net
> To: justingreisberg at hotmail.com; detomaso at realbig.com
> Subject: RE: [DeTomaso] need advice before I cry
> Date: Mon, 2 Nov 2009 17:43:36 -0800
> 
> Justin
> 
> Here's a thought. I had a similar experience last summer when prepping for
> Reno. I had just finished burping the cooling system after rehanging the
> water pump, and was running the car on it's second "burp". The temp gage
> suddenly pegged, and when I shut the car down, and as I was walking around
> the back, saw bubbling and heard hissing from the back of the right cylinder
> head to block mate. CRAP!! Motor is about two years old, stroker
> Cleveland. After much email butt kicking to stop crying in my beer and take
> a look, I pulled the rocker cover, pulled the rockers and checked torque on
> the head bolts. All was well. Hmmm. I put everything back together,
> burped the system again, topped it off and started it up. No more
> hissing/bubbling. Drove to Reno and been fine ever since.
> 
> I think what happened in my cast is that, according to my builder, there is
> a water jacket as the back of the block just under the end of the head, and
> when I ran the engine, an air pocket was trapped there, superheated the air
> and tried to force what moisture was there out anywhere it could. It hasn't
> been an issue since.
> 
> Good luck.
> 
> Mike Thomas
> Panteras Northwest
> Yellow 74 L 6328
> 
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
> Behalf Of Justin Greisberg
> Sent: Sunday, November 01, 2009 5:16 PM
> To: detomaso at realbig.com
> Subject: [DeTomaso] need advice before I cry
> 
> 
> i am getting toward final stages of my restoration -- spent lots of time and
> money getting engine together, and ran it for first time a month ago. ran
> fine, thermostat opened, and I think I got all air out of system.
> 
> 
> 
> Today ran it for second time, getting ready to take maiden voyage around
> neighborhood. Temp gauge in dash climbs gradually up to 190, then keeps
> going. I have a second temp sensor hooked up to EFI system in thermostat
> upper pipe, and that reads 160, so I figure must be air in block still and
> run it a little more. Dash gauge temp goes steadily up to 260 (end of
> reading), and temp sensor in upper pipe remains at 180. car runs fine, and
> I wonder if dash gauge is no good (but it worked fine on maiden run few
> weeks ago).
> 
> 
> 
> Then steam comes out valve breather cap and water starts leaking out head
> gasket just a little, so I shut off. 
> 
> 
> 
> The upper thermostat pipe got hot, the expansion tank got hot but did not
> pressurize and the radiator did not get hot. All new everything. 
> 
> 
> 
> What the heck happened? Only thing I can figure is that my new moto rad
> fail safe cleveland thermostat (not windsor) which opened fine last month,
> did not open, and engine cooked itself. I have these nice CHI aluminum
> heads (mucho Dollars) and now I pray they survived.
> 
> 
> 
> Any freakin thoughts what is wrong here? 
> 
> 
> 
> I have a third temp sensor in the water pump itself, and that also read
> 160-180 the whole time! But I have heard that sensors in the pump are not
> reliable because of the turbulence there. 
> 
> 
> 
> Justin
> 
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