[DeTomaso] Overheating

[The DeTomaso Registry Guy]

Sean

 

See:

 

http://www.provamo.com/Members/TechInfo/Cooling.asp

 

III Stock Limitations & Solutions

b) Air in System 

 

for a short description.

 

Chuck

 

 

 

 

Anyone have the coolant burping procedures handy?

 

From: seanmundy at hotmail.com

To: jderyke at aol.com; detomaso at poca.com

Subject: RE: [DeTomaso] Overheating

Date: Tue, 16 Jul 2013 13:18:30 -0700

 

 

 

 

Hi Jack,  I have a new Romac balancer installed on this new motor

and the timing is set at 32 max with no vacuum advance hooked up.

I read that my engine symptoms could be related to the gas getting too hot
in the carb.  

After touching the carb and burning my finger I went out and got a half inch
phenolic spacer.  

It didn't help much as the carb still got really hot after 15min of driving.

After burning my hands on the inner fender I thought it might be a good idea
to 

reach out to the forum for help :)  Tonight I will try and burp the system
again

by raising the back end of the car.  I'm running out of ideas.

 

From: JDeRyke at aol.com

Date: Tue, 16 Jul 2013 16:04:36 -0400

Subject: Re: [DeTomaso] Overheating

To: seanmundy at hotmail.com; detomaso at poca.com

 

Check your timing, especially the harmonic balancer orientation. The outer
ring often moves relative to the hub, and if you then set ignition timing to
that (shifted) mark, your ignition will be severely retarded... which
overheats. Too much advance also overheats. A street 351-C only needs around
34 degrees ignition advance TOTAL from true Top Dead Center, including
static, centrifugal and vacuum advances. All these are easily adjusted.

 

I suspect you are also vapor-locking the carb because things are running
hot. A carb isolator plate made of non-heat-conducting material (including
wood) should help. Good luck- J Deryke


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