[DeTomaso] 302 diagnosis

[Asa Jay Laughton]

It -is- possible for head gaskets to leak between cylinders without 
disrupting an oil or coolant passage.  However, before you go that far, 
I'd pull the valve covers and check the lift on all the valves.  If the 
cam has been wiped, you won't get the lift you should be and 
consequently won't get the air/fuel charge you should be.  I wouldn't 
just pull head gaskets to be pulling them.  Again, a cylinder leak-down 
test is in order.  This would tell you if you were leaking between 
cylinders.

Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired

& Shelley Marie
Spokane, WA

1973 Pantera L 5533
[ASASCAT]
    
******************************     
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http://www.351c.info
  



dyogi wrote:
> I’ve changed the fuel filter and there’s always gas in the carburetor.
> After the engine dies, it will start back up and run as long as you keep the
> throttle open so I don’t think that fuel delivery is the problem.
>
>  
>
> I tried the compression test again after squirting some oil in the
> cylinders. No real difference, maybe about 5 psi at the most. I'm taking it
> that the rings should be OK and the problem probably lies in the valves?
> Can it be that the head gasket is not sealing the cylinders but not leaking
> coolant or oil?  As with the thinking of others who have responded, its
> funny that I’m getting low compression readings from all cylinders.
>
>
>
> Aloha from Hawaii,
>
> Dennis
>
>  
>
>
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